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  • Articles  (3,219)
  • Oxford University Press  (3,219)
  • Energy, Environment Protection, Nuclear Power Engineering  (3,219)
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  • 1
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    The Wicked Problem of Diffuse Nutrient Pollution from Agriculture (2020)
    Oxford University Press
    Details
    Publication Date: 2020-10-09
    Description: Diffuse nutrient pollution from agriculture has been the concern of policymakers for several decades, and yet it remains a persistent environmental issue. The current approach to mitigating the problem is predominantly via command and control regulation within the Nitrates Directive and the Water Framework Directive. This article will set out how diffuse pollution can be considered a wicked policy problem which acts as an explanation of how it has eluded the current regulatory regime. It will further establish that the traditional planning process overlooked the complexity of the problem. Finally, it will illustrate the ineffectiveness of the current regulatory framework to mitigate the problem. This will be exemplified through the legal framework of Northern Ireland.
    Print ISSN: 0952-8873
    Electronic ISSN: 1464-374X
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law
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  • 2
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    Samuel Smith and Judicial Review of Policy Interpretation: A Middle Way in the Law and Policy Divide (2020)
    Oxford University Press
    Details
    Publication Date: 2020-10-09
    Description: This analysis explores new developments in judicial review of planning policy interpretation. It shows how the nature of policy, often contextual and judgment-dependent, has led the UK Supreme Court to rethink the standard of review applicable to this issue. By considering the recent decision in Samuel Smith as part of a trilogy of cases—including Tesco Stores and Hopkins Homes—this analysis reveals a change in judicial attitudes, away from the expansive judicial supervision upheld in Tesco Stores. Furthermore, this study reflects on how this change is related to two wider ideas. The first is the Court’s understanding of the law and policy divide in the planning field, whilst the second is to do with a pragmatic stance regarding the purpose of the planning system and the institutional role of the courts in it. Finally, this analysis shows how the new approach emphasises the distinctive character of policy in the planning context.
    Print ISSN: 0952-8873
    Electronic ISSN: 1464-374X
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law
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  • 3
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    Calculations of effectiveness factors and the criteria of mass transfer effect for high-temperature methanation (HTM) catalyst (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: Natural gas is an extremely important bridge fuel to a low-carbon energy economy for improving local air quality. Coal to synthetic natural gas (SNG) is an effective way to convert the high-carbon energy (coal) into the low-carbon energy with rich hydrogen (natural gas). For the modern coal to SNG industry, the high-temperature methanation (HTM) catalyst plays an important role, and the advanced evaluation process should necessitate the elimination of mass transfer effect. Some simple but effective model catalysts, such as slab and sphere, can be very helpful in defining the reaction conditions, and thus facilitating the evaluation process for real HTM catalysts. In this work, slab and sphere model catalysts were adopted to derive mass transfer and reaction-coupled equations, the numerical methods were used to solve the coupled equations for the concentration profiles in catalysts, and the effectiveness factors were accordingly calculated. By taking advantage of the Thiele module and the Weisz–Prater module , the criteria for the elimination of mass transfer effect in the HTM catalyst evaluation process were successfully defined. This work also complements the Weisz–Prater criterion by incorporating ‘negative reaction orders’.
    Keywords: Other low-carbon energy technologies
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 4
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    A novel low-carbon space conditioning system incorporating phase-change materials and earth-air heat exchangers (2015)
    Oxford University Press
    Details
    Publication Date: 2015-08-16
    Description: The energy expended for conditioning buildings around the world is worryingly large and increasing every year. Currently, almost half of houses around the world use some type of energy-expensive conventional air-conditioning system. These systems are high emitters of gases such as carbon dioxide and so high contributors to climate change. Consequently, alternatives must be considered. Earth–air heat exchangers (EAHEs) and phase-change materials (PCMs) may be options; they have, however, limitations. This paper proposes a novel hybrid space-conditioning system combining EAHEs with PCMs, which uses surfaces as sources of heating or cooling to provide better temperature distribution across a space and comfort enhancement with low energy use. The idea is to use an EAHE to provide cool air to discharge the PCM, consequently helping to overcome most of the limitations of both strategies. Two of a series of experiments undertaken to test the proposed system are reported in this article. The EAHE + PCM system compared with a reference room could decrease temperature swings by up to 47%. The system was proved to work although further work is required to make it commercially viable.
    Keywords: Other low-carbon energy technologies
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 5
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    3D analysis of the incident diffuse irradiance on the building's surfaces in an urban environment (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: The design of a future building with very high-energy efficiency demands from the architect to study the available solar resources in this urban environment. The purpose of the presented methodology is to study the variations in all components of the incident solar radiation daily, monthly and seasonally for all building facades. This is realized in the computer program 3D–SOLARIA. In the focus of the paper is the estimation of the background component of the incident diffuse solar irradiation on a building facade under orthogonally obstructed sky, using anisotropic sky view factors.
    Keywords: Sustainable/low carbon buildings
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 6
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    An integrated approach for sustainable design and assessment of residential building envelope: part I (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: The assessment of building envelope sustainability using existing building performance assessment methods is still a challenge and yet to be fully addressed. This is due to the single-dimensional nature and lack of integration of sustainable performance values. Besides, the issue of sustainability assessment in the building envelope requires considering many factors including life cycle considerations. As such, in an effort to develop an integrated approach that combines relevant sustainable development factors and life cycles, an integrated performance model (IPM) was developed. The IPM is an essential tool developed to aid the sustainable design of the residential building envelope that can reduce carbon emission and whole residential building energy consumption and ensure sustainable performance of the building envelope.
    Keywords: Sustainable/low carbon buildings
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 7
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    Towards the generation of distributed electric power: self-consumption with net balance (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: The results and considerations on one self-consumption photovoltaic installation with net balance in Granada (South of Spain) are presented and discussed in this paper. The use of the building (one faculty) makes it optimal for this kind of consumption. Finally, the potential benefits and problems of self-consumption with net balance are presented.
    Keywords: Solar energy technologies
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 8
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    Numerical investigation of turbulent flow heat transfer and pressure drop of AL2O3/water nanofluid in helically coiled tubes (2015)
    Oxford University Press
    Details
    Publication Date: 2015-08-16
    Description: Passive convective heat transfer enhancement can be achieved by improving the thermo-physical properties of the working fluid, changing flow geometry or both. This work presents a numerical study to investigate the combined effect of using helical coils and nanofluids on the heat transfer characteristics and pressure losses in turbulent flow regime. The developed computational fluid dynamics models were validated against published experimental data and empirical correlations. Results have shown that combining the effects of alumina (Al 2 O 3 ) nanoparticles and tube coiling could enhance the heat transfer coefficient by up to 60% compared with that of pure water in straight tube at the same Reynolds number. Also, results showed that the pressure drop in helical coils using Al 2 O 3 nanofluid for volume fraction of 3% was six times that of water in straight tubes (80% of the pressure drop increase is due to nanoparticles addition), while the effect of Reynolds number on the pressure drop penalty factor was found to be insignificant.
    Keywords: Other low-carbon energy technologies
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 9
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    Control strategies for indoor environment quality and energy efficiency--a review (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: The demand for better indoor environment has led to a wide use of heating, ventilating and air conditioning (HVAC) systems. However, this demanding cannot be sustained without a strategy to reduce the energy consumption of HVAC systems. Employing advanced HVAC control is one of the strategies to maintain high-quality indoor thermal comfort with low energy consumption. This paper reviews the development of control technologies for HVAC systems. It summarizes the problems in existing reviews and gives a future perspective on HVAC control systems for occupant comfort and energy efficiency.
    Keywords: Built environment and low-carbon society
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 10
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    Tracer gas technique for measurement of air infiltration and natural ventilation: case studies and new devices for measurement of mechanical air ventilation in ducts (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: In buildings without mechanical ventilation, the fresh air needed by the occupants is supplied only by air infiltration or natural ventilation. Its quantification by analytical methods is difficult, and so experimental methods such as the tracer gas technique are very useful. In this work, several case studies are presented, where one may see the potential of this technique to detect small differences in building air tightness, due to different envelope elements, namely the type of window frames and location of blinds' boxes. The applicability of this technique to other spaces rather than buildings can also be analyzed. When dealing with mechanical ventilation, it is difficult to measure the duct air flow rate precisely, because of the minimum duct length necessary to obtain a good mixing of the tracer gas with the air, when conventional probes are used. Research was carried out with the development of new probes to overcome this situation, and results are also shown. With accurate measurements of air flow rates, it is possible to reduce CO 2 emissions due to air heating or cooling in buildings.
    Keywords: Built environment and low-carbon society
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 11
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    Readdressing working fluid selection with a view to designing a variable geometry ejector (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: A number of factors influence the performance of an ejector, e.g. working fluid, geometry and operating conditions. In the present work, six low-environmental-impact working fluids were evaluated for their use in an ejector cooling system running on low-temperature thermal energy. The numerical analysis was based on a model applying the 1D constant-pressure mixing theory. Ejector performance was assessed for the temperatures of the generator, evaporator and condenser in the range of 80–120°C, 5–15°C and 25–40°C, respectively. The results indicated that owing to its high coefficient of performance and moderate operating pressures throughout the entire ejector cycle, isobutane is a good choice for a refrigerant. The area ratio required for running the ejector in critical mode, under changing operating conditions, varied in a significant range regardless of the selected refrigerant. This clearly indicates the importance of a variable geometry ejector design to strengthen the position of ejector cooling systems among other refrigeration technologies.
    Keywords: Other low-carbon energy technologies
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 12
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    The European Union and its energy security challenges (2015)
    Oxford University Press
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    Publication Date: 2015-07-30
    Description: Energy security remains a vital issue for the European Union (EU), even more so in the wake of the events that unfolded in early 2014 in Ukraine. The EU’s already fragile position in the international energy arena in terms of security of supply appears to be more uncertain than ever after its umpteenth fallout with its historic energy supplier, Russia. This situation is untenable and calls for swift and decisive action to adequately tackle the issue once and for all. The article looks at the creation of a single EU energy market through integration of energy networks in the EU. It then examines various ways to diversify the EU’s energy supply, whether through increasing the import of liquefied natural gas, through its relations with the Eurasian Union, the promotion of renewable energy or the construction of alternative pipelines and energy routes. The article then offers an analysis of the latest developments of the Energy Charter Conference. The article concludes that from energy transit, to technology transfer, to investment protection, energy and trade present interplays across various fields. Improvements can be made to the EU trading system to ensure greater energy security and more efficient energy markets.
    Print ISSN: 1754-9957
    Electronic ISSN: 1754-9965
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law , Economics
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  • 13
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    The legal and contractual framework pertaining to the exploration and production of shale gas in Egypt (2015)
    Oxford University Press
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    Publication Date: 2015-07-30
    Description: Despite the Egyptian authorities’ great hopes for the fledging shale gas industry in Egypt, it appears that it could be difficult for Egypt to realize these lofty ambitions, at least in the near future. The Egyptian shale gas industry faces technical challenges as well as a critical lack of detailed regulations regarding the exploration for and the production of shale gas. There is also a lack of guidance over the manner in which foreign investments can be made in the industry.
    Print ISSN: 1754-9957
    Electronic ISSN: 1754-9965
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law , Economics
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  • 14
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    Constructal optimization of a disc-shaped body with cooling channels for specified power pumping (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: The thermal performance of a disc-shaped heat generation body with cooling channels is investigated by using constructal theory based on previous model of heat convection on a disc and previous analytical method of heat conduction on a disc. By taking minimum dimensionless maximum thermal resistance as optimization objective, the optimal aspect ratio of the elemental sector in the radial-pattern disc is obtained for the specified power pumping of the elemental sector; the optimal width ratio of the first-order and elemental cooling channels and the optimal dimensionless radius of the elemental sector are obtained for the specified power pumping of the disc. There exists a critical radius of the disc to determine whether the radial-pattern design and branched-pattern design should be adopted. These conclusions are different from those obtained by Wechsatol et al. 's model, and the essential reason for these differences is that the power pumping is specified in this article, but not the specified flow rate number in Wechsatol et al. 's model. Finally, the assumption about the heat capacity of the coolant and the thermal conductivity of the disc is validated. An analytical method is introduced in this article, which can provide another thought for the constructal optimization of disc with heat convection. The optimal constructs of the discs are obtained for the specified power pumping, which provides some different guidelines for the design of disc with heat convection.
    Keywords: Other low-carbon energy technologies
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 15
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    Theoretical investigation of hot box solar cookers having conventional and finned absorber plates (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: In this paper, solar box cookers with ordinary and finned absorber plates are theoretically investigated in terms of thermodynamic performance parameters. For a typical summer and winter day, temperatures of solar cooker components such as glass cover, internal air, absorber plate, cooking vessel and the liquid are determined theoretically versus time. The analysis is carried out for conventional and finned absorber plates, and accuracy of the results is verified by a previously published experimental work. Energy and exergy efficiencies of box-type solar cookers are plotted versus time for various cases. The methodology presented in this paper enables to make a preliminary evaluation of ordinary and modified solar box cookers with respect to changes in main environmental parameters such as temperature and illumination intensity. Some recommendations are also made to enhance the power outputs of the aforementioned solar cookers.
    Keywords: Solar energy technologies
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 16
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    Design of a celestial vault image capture device for its application in the solar radiation field (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: The sun is the more plentiful source of natural power that we have in the Earth. However, the amount of radiation reaching the Earth's surface depends on astronomical and climatic factors. One of the factors exerting a greater influence is cloudiness. For that reason, it is important to quantify its influence on solar radiation. According to that, in this work, a prototype to capture images of the celestial vault is designed and implemented to be able to measure parameters related to the cloud properties and, later, to determine their influence on solar radiation.
    Keywords: Solar energy technologies
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 17
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    Investigation of concentrating and nonconcentrating evacuated tube solar water heaters using 2D particle imaging velocimetry (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: Under transient climatic conditions, solar water heaters using heat pipes are more effective at capturing incident solar radiation than other equivalent sized solar water heaters. The cost must be reduced to improve uptake of such systems. To investigate two methods were considered by this study: thermosyphon fluid flow and reflective concentrators. A physical reconfigurable laboratory model of the manifold and associated condensers of a heat-pipe-evacuated tube system were fabricated; fluid circulation was via thermosyphonic action, particle imaging velocimetry derived velocity maps and the use of concentrators was simulated. When condenser spacing was doubled, the Nusselt number increased by 43%, the velocity by 55% but the heat transfer efficiency of the model manifold decreased by 9%. Potential annual energy savings of 10 207 GWh could be realized if such systems could be successfully fabricated.
    Keywords: Solar energy technologies
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 18
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    The impact of surface characteristics on ambient temperature at urban micro scale: comparative field study in two climates (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: This paper presents the results of two field studies to examine the differences in ambient temperatures in a micro-scale environment (at distances of 50–200 m between measuring points) in two different climates during typical summer weather conditions at two similar sites in terms of construction and activities. The analysis considered the land use around the measuring locations split into three categories (built, green and open) as well as climatic conditions and studied the effect of these on ambient temperature at each measuring location. It was found that, similarly to macro-scale studies at the urban level, measuring locations with a higher green cover have a lower ambient temperature compared with measuring locations with a higher built and/or open land cover. The results provide measured evidence in two different climates that small green areas distributed within the urban environment can provide a reduction in the ambient temperature thus contributing to the mitigation of urban heat island.
    Keywords: Built environment and low-carbon society
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 19
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    Computational study of a 2D capillary pump evaporator (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: Capillary pump loop (CPL) is a two-phase heat transfer device considered as a useful solution for thermal control applications in spacecrafts, satellites and electronic components. The purpose of this paper is to study various aspects of the working state of the CPL evaporator. A two-dimensional computational model was developed in order to analyze the flow and the phase transformation inside a cylindrical evaporator. At the present analysis, different cases were studied by changing liquid saturation temperature, inclination angle of the evaporator and the length of the porous heated wick. Water, ammonia, acetone and freon-134 were used as working liquids for numerical experiments. Results present the evaporator capability to vaporize each working liquid and find out its possibility of dry-out causing failure. This information is useful in choosing the best working liquid for an evaporator, enabling bigger amounts of heat to be transferred.
    Keywords: Other low-carbon energy technologies
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 20
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    Failure of natural ventilation strategy in a sustainable house in China (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: In recent years, the concept of green building is becoming popular in China. Architects and engineers have the opportunity to actually implement green building practices. This paper reveals the failure of a naturally ventilated LEED-certified townhouse development project in China mentioned in recent research. The house owners made great alterations for the purpose of decoration, which removed or minimized the effectiveness of natural ventilation elements in the original design. The research shows that the houses show ‘International Style’ because the natural ventilation design principles were not fully applied in the design and the localized natural ventilation strategies were not fully considered by means of computational simulation in the design stage. Also, the lack of communication between designers and the owners caused the removal of most natural ventilation elements of these houses during the occupancy period. The authors advocate three criteria to avoid failures of natural ventilation design: localized/ climate adaptive design, relationship among design elements and design intention awareness.
    Keywords: Sustainable/low carbon buildings
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 21
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    Design guideline for application of earth-to-air heat exchanger coupled with solar chimney as a natural heating system (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: In the present paper, design of solar chimney (SC) and earth-to-air heat exchanger (EAHE) to meet the thermal need of flat buildings are studied regarding adaptive thermal comfort criteria. Investigation on the effects of geometric features shows that the design of SC with the air gap and outlet sizes of 0.2 m and also EAHE with the diameter and length of 0.5 and 25.0 m reveals better performance. Thermal comfort analysis shows that the SC is capable to power the underground heating system during few hours of the sunny days even at the ambient temperature as low as 0°C and the heating demand of 1000 W without needing the auxiliary devices. In addition, the required numbers of SCs and the underground air channels are strongly influenced by environmental outdoor conditions and heating demand of building and are approximately calculated by: $$\hbox{ room }\phantom{\rule{0.08em}{0ex}}\hbox{ volume/50 }\phantom{\rule{0.08em}{0ex}}\hbox{ and }\phantom{\rule{0.08em}{0ex}}\hbox{ 2 }\times (\hbox{ room }\phantom{\rule{0.08em}{0ex}}\hbox{ volume/50 })+\hbox{ 1, }$$ respectively.
    Keywords: Other low-carbon energy technologies
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 22
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    Adaptive facade design for the daylighting performance in an office building: the investigation of an opening design strategy with cellular automata (2015)
    Oxford University Press
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    Publication Date: 2015-08-16
    Description: Daylighting has an important role in sustainable architecture as it affects the energy consumption in a building. Especially for an office building, daylight helps not only to reduce the load on artificial lighting but also to promote work efficiency through promoting good human health, well-being and user comfort. The objective of this research is to develop an innovative façade design strategy that comes from the development of digital technology and dynamic daylight performance measuring methods. Thus, the various parameters are studied through the computational process of cellular automata (CA) to generate the several alternative opening patterns on the building façade. Each CA design value was tested under static and dynamic sky condition to analyze the quality and quantity of daylight and visual comfort throughout the year. The results were compared to find an optimum alternative design in terms of the daylighting design criteria, from building code, standard and design guidelines for the office building. Finally, research of an adaptive façade design strategy was concluded with the results from the above hybridization of generative and performative design methodology. This study discovers the architectural design approach from the CA and it will make not only progress in building façade esthetics, but also human comfort with building sustainability.
    Keywords: Sustainable/low carbon buildings
    Print ISSN: 1748-1317
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 23
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    Mexico's very first bid round (2015)
    Oxford University Press
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    Publication Date: 2015-09-29
    Print ISSN: 1754-9957
    Electronic ISSN: 1754-9965
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law , Economics
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  • 24
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    Assessing the investability of thermal coal over the next 20 years (2015)
    Oxford University Press
    Details
    Publication Date: 2015-09-29
    Description: The demand for thermal coal has risen dramatically over the past 20 years, driven by an emerging markets-led commodities super cycle, which has recently come to an end. Today, thermal coal generates over 40 per cent of global electricity and is available in large quantities in countries such as China, India and the USA. Thermal coal is also the primary contributor to CO 2 emissions, a substantial driver of climate change. This has resulted in material tension for ‘sustainable and responsible’ institutional investors and strategic challenges for certain state-owned companies. Deciding upon the electricity generation technology in which to invest poses a significant dilemma. Thermal coal is abundant and by far the cheapest when externalities are not internalized. Electric renewables currently suffer from intermittency, viable storage solutions and are not very scalable. While cleaner than thermal coal, natural gas is abundant yet often needs to be imported and is more expensive than thermal coal. Although safe, scalable and clean from an emissions perspective, ‘new’ nuclear energy suffers from perception problems. The mixed method inductive methodology was used to determine the extent to which thermal coal remains investable over the next 20 years and has led to two divergent yet plausible scenarios impacting thermal coal investability. In assessing the investability of thermal coal across four chief stakeholders and geographies, a multifaceted interpretation of the term ‘investability’ is developed, which recognizes disparate financial and non-financial investment drivers. The research shows that thermal coal remains investable by a variety of stakeholders, particularly in the Transformative scenario, but their reasons for investing differ materially both by geography and the type of stakeholder. Finally, the key drivers for both scenarios are identified that can be monitored and used as an early warning system to inform investment decisions.
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    Production and offtake rights in joint operating agreements: lessons from Pohokura{dagger} (2015)
    Oxford University Press
    Details
    Publication Date: 2015-09-29
    Description: In March of 2015 New Zealand’s Court of Appeal brought to a conclusion a long running dispute between the joint venture partners in the Pohokura gas and condensate field located in Taranaki, New Zealand. Todd Pohokura v. Shell Exploration NZ Limited et ano deals with the rights to production and offtake arising under the Association of International Petroleum Negotiator’s (AIPN) 1995 Model Form joint operating agreement (JOA), the powers of the Operating Committee in regards thereto and the practical implications of entering into a field development without documenting all the necessary gas sale and transportation arrangements in advance. The factual matrix provides an opportunity to review the principles of common law relevant to production and offtake, including the development of those principles from early English common law into U.S. domestic law, and how those principles have been reflected in model form JOAs on both sides of the Atlantic, including the AIPN forms and ultimately the Pohokura JOA. The analysis confirms the New Zealand courts’ rulings upholding the power of the Operating Committee to determine production rates under the AIPN Model form. However, it concludes that gas offtake arrangements that amend or add to the rights and obligations of the parties under the JOA must be agreed unanimously and are not within the jurisdiction of the Operating Committee to determine.
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    2015 Student Writing Competition Editorial Note (2015)
    Oxford University Press
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    Publication Date: 2015-09-29
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    Prospects for shale development outside the USA: evaluating nations' regulatory and fiscal regimes for unconventional hydrocarbons (2015)
    Oxford University Press
    Details
    Publication Date: 2015-05-30
    Description: Pursuant to a generous Association of International Petroleum Negotiator (AIPN) 2014 Summer Research Award, this article identifies, evaluates and compares the legal and fiscal rules, regulations and incentives necessary for countries with significant shale petroleum and natural gas formations to attempt to replicate the boom that is ongoing in the USA. As others have pointed out, 1 several legal, tax, and operational barriers can impair duplication of the US shale revolution in similarly endowed nations. This article identifies key factors responsible for the surge in US shale production, distill the fundamental forces from the US experience that are applicable to any jurisdiction, and evaluate and compare how several countries fare in this vein. The report also identifies avenues for reform and innovative policies that could be applied in other jurisdictions.
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    Rafael Leal Arcas, Andrew Filis and Ehab S. Abu Gosh (eds), International Energy Governance (2015)
    Oxford University Press
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    Publication Date: 2015-05-30
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    Horizontal-well production allocation in the international context: a reasonable formula for allocation derived from Texas law (2015)
    Oxford University Press
    Details
    Publication Date: 2015-05-30
    Description: Texas law has only recently codified in precedential decisions a reasonable formula for production allocations for horizontal, including fracked, wells. The ancient regime of the Rule of Capture does not generally apply, because of the nature of the geologic deposits and the new technology. This reasonable formula is applicable in the international arena for cross-border deposits and production blocks. Other national law and international treaties provide scant guidance in these matters and governments, national oil companies and international oil companies should review this formula to aid in negotiations for fair and equitable allocations that should preclude unnecessary disputes and litigation.
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    Jean-Michel Glachant, Michelle Hallack and Miguel Vazquez, Building Competitive Gas Markets in the EU: Regulation, Supply and Demand (2015)
    Oxford University Press
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    Publication Date: 2015-05-30
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    Allocation of Decision-Making Power under the Habitats Directive (2016)
    Oxford University Press
    Details
    Publication Date: 2016-07-13
    Description: The provisions in the Habitats Directive relating to protection of sites establish a triumvirate of decision-makers: administrative authority, scientific advisor and judiciary. This article examines the relationship between these decision-makers as developed in recent case law, both at a European Union (EU) and national level. It argues that reference to the goal of environmental protection obscures the allocation of power among these actors, and that to truly understand the resulting system, we must acknowledge the differing norms which motivate each of these actors. In particular, it argues that we must consider the judiciary as an actor within the decision-making process, and should examine the role of the principles of judicial review and EU law in shaping this. It highlights that there are currently conflicts within the process, and that the principles of judicial review cannot provide a successful mechanism to manage these conflicts without an explicit consideration of the values ‘hidden’ therein.
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    Favourable Conservation Status for Species: Examining the Habitats Directives Key Concept through a Case Study of the Swedish Wolf (2016)
    Oxford University Press
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    Publication Date: 2016-07-13
    Description: One of the key issues in the current controversy over the hunting of wolves in Sweden is whether the wolf population has reached favourable conservation status (FCS). FCS is a legal concept, created and defined in law, but like many legal concepts within environmental law, can only be understood by reference to ecological concepts such as species viability. These ecological determinations in turn often require some sort of legal or policy judgment, such as how great an extinction risk is acceptable for a viable population. This article interrogates contested legal and ecological aspects of FCS and argues for how they might be applied to the Swedish wolf in potential litigation.
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    An Estoppel-Based Approach to Enforcing Corporate Environmental Responsibilities (2016)
    Oxford University Press
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    Publication Date: 2016-07-13
    Description: Within the regulatory space that exists at the intersection of UK company law and environmental regulation, the business community has generated its own environmental governance initiatives to address growing anxiety about companies’ externalised risk. Yet, there is currently nothing in law to prevent companies from frequently acting inconsistently with these voluntary unilateral assurances, which has led to widespread concern that environmental values are treated as merely instrumental to the dominant idea of achieving economic benefits for the company. This article examines a specific case for the legal facilitation of binding obligations owed to the environment, which require a company to make good on its previous commitments about environmental responsibility. It seeks to demonstrate that this is possible through the common law doctrine of estoppel, which can be opened up to prevent a company from acting inconsistently with its previous statements or actions about the governance of environmental risk.
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    A Thundering Silence: Environmental Rights in the Dialogue between the EU Court of Justice and the European Court of Human Rights (2016)
    Oxford University Press
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    Publication Date: 2016-07-13
    Description: The aim of the article is to shed light on the particular issue of absence of judicial dialogue between the European Court of Human Rights (ECtHR) and the Court of Justice of the EU (CJEU) in the matter of environmental rights which represents a glaring exception to the generally cooperative disposition exhibited by the two courts in other domains linked to human rights protection. The article draws on this particular absence of judicial dialogue by examining the respective patterns of judicial reasoning employed by the CJEU and the ECtHR in cases before them that involve, or have a bearing on, environmental rights (substantive and procedural). Thus, the singular tendencies discernible in the ECtHR’s progressive jurisprudence in the field of environmental rights will be compared to CJEU’s jurisprudence relevant to environmental rights with the intention of detecting certain aspects in the CJEU’s approach which could further stand to be improved following the example of ECtHR’s activist environmental jurisprudence as a viable avenue for initiating the currently missing dialogue between the two courts in the matter of environmental rights.
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    Significant UK Environmental Law Cases 2015/16 (2016)
    Oxford University Press
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    Publication Date: 2016-07-13
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    International Environmental Law and the Global South. By SHAWKAT ALAM, SUMUDU ATAPATTU, CARMEN G GONZALEZ AND JONA RAZZAQUE (2016)
    Oxford University Press
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    Publication Date: 2016-07-13
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    The Habitats Directive in its EU Environmental Law Context: European Natures Best Hope? By CHARLES- HUBERT BORN, AN CLIQUET, HENDRIK SCHOUKENS, DELPHINE MISONNE AND GEERT VAN HOORICK (2016)
    Oxford University Press
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    Publication Date: 2016-07-13
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    Law in Politics, Politics in Law. By DAVID FELDMAN (2016)
    Oxford University Press
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    Publication Date: 2016-07-13
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    Provision for expert determination in the unitization of straddling petroleum accumulations (2016)
    Oxford University Press
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    Publication Date: 2016-08-06
    Description: Oil and gas fields that straddle a domestic licence boundary or a delimited international border are often unitized so that they can be developed efficiently and effectively as a single entity. The unitization process is usually governed by a pre-unit agreement and a unitization and unit operating agreement. Provision for expert determination in these agreements should include a decision on the basis for tract participation, the determination of initial tract participation around the time of unitization, the formulation of key elements of prescribed technical procedures for any redetermination of tract participation, the redetermination of tract participation post-production, and the enlargement or reduction of the unit area and/or unit interval. The agreements must also define the key issues of how an appointed expert is to arrive at a decision. Expert determination is generally preferred to pendulum decision-making, an expert should carry out an integrated study with a single deliverable as opposed to one that is subdivided into discrete incremental steps, and the expert should table an initial decision for technical and procedural scrutiny by the parties before delivering a final binding decision. Experience has shown that adherence to these principles of prescription facilitates expert engagement during subsequent field life and thereby promotes Pareto-efficiency, fairness and equitability.
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    A New Environmental Protection Law, Many Old Problems? Challenges to Environmental Governance in China (2016)
    Oxford University Press
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    Publication Date: 2016-07-13
    Description: Through a three-year revision involving various stakeholders, China has enacted a new Environmental Protection Law ( EPL ). The new law seeks to harmonize economic and social development with environmental protection and for the first time establishes clear requirements for the construction of an ecological civilization. It toughens the penalties for environmental offences with specific articles and provisions for raising public awareness. It also places greater responsibility on local government and law enforcement for the protection of China’s environment. However, many of the problems identified in the old EPL and especially the obstacles to its implementation have not been fully addressed and resolved. Effective environmental governance entails not only environmental laws but also implementation mechanisms, accountability regimes, and institutional arrangements. Raising the status of the EPL and of the general environmental protection apparatus is only the first step to meeting China’s environmental challenges. More efforts in the area of enforcement and implementation will lead China to a cleaner future.
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    Attaining Subsidiarity-Based Multilevel Governance of Genetically Modified Cultivation? (2016)
    Oxford University Press
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    Publication Date: 2016-07-13
    Description: The cultivation of genetically modified (GM) crops in the European Union (EU) is highly harmonised, but with persisting conflicts over authority. The European Commission responded to internal and external pressures with a more flexible approach to coexistence, a proposed opt-out clause, and a promise to review the existing EU GM regime, providing an opportunity to consider and suggest paths of development. This article considers the post-authorisation policy-making powers of Member States and subnational regions, in light of subsidiarity-based multilevel governance. It considers the different approaches to risk-centred issues and more general policy choices. Overall, the developments occurring at the EU level are strengthening subsidiarity-based multilevel governance within the GM cultivation regime, but with significant opportunities to improve it further through focussing particularly on the complementary powers, coordination and the regional levels.
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    Renewables re-energized? The internationalization of green energy investment rules and disputes (2016)
    Oxford University Press
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    Publication Date: 2016-08-06
    Description: Renewable energy provides an answer to the most pressing socio-economic challenges governments face today, in particular the effects of climate change. Although efforts have been made throughout the world, it is necessary that investment in renewable energy is further increased if it is to have a marked impact on the reduction of carbon dioxide (CO 2 ). The lack of national investment is inevitably going to trigger the inflow of foreign investment which may be subject to performance requirements which are regulated by a number of economic treaties. The Article reviews all the norms currently applicable and stresses their differences to provide a typology of existing prohibition. The analysis is further refined by a comprehensive review of the case law (both decided by trade and investment tribunals) to identify the type of requirements which have been implemented on renewable energies. It also explains and anticipates the role of the most favoured national treatment in the context of bilateral treaties in a manner hitherto unexplored. In doing so, this Article provides a comprehensive analysis of the performance requirements in international treaties with a view to assessing their impact on the further development of renewable energies.
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    Brief update on the current situation of upstream petroleum investment in Thailand (2016)
    Oxford University Press
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    Publication Date: 2016-08-06
    Description: This brief contains an update of the current situation of upstream petroleum investment in Thailand. It is a critical appraisal of the ongoing reformation of the new Petroleum Act, which intends to adopt all three types of upstream contract, namely, concession, production sharing and service contracts, to govern the contractual relationship between Thailand and upstream investors.
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    Knock-for-knock clauses (2016)
    Oxford University Press
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    Publication Date: 2016-08-06
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    An assessment of local-content policies in oil and gas producing countries (2016)
    Oxford University Press
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    Publication Date: 2016-08-06
    Description: Local-content legislation and policies in oil and gas producing countries have become a key priority of host governments and industry players alike. Increasingly, more resource-rich developing countries are enacting local-content legislation as a means of maximizing the benefits to be gained from their petroleum industries. However, these laws and policies are being implemented with insufficient research into their efficacy, and as a result have often yielded mixed results. This article assesses the effect of local-content legislation and policies in the oil and gas industry presenting insights on the challenges faced by industry players with regard to their implementation. We trace the channels through which local-content legislation advances value creation by evaluating different implementation programmes, using clearly stated local-content targets to measure their efficacy. Nigeria, Ghana, Brazil and Norway are chosen as case study countries to highlight the diversity of local-content strategies for countries at different developmental stages. The motivation for this research is to provide host governments, investors and domestic suppliers with guidelines on how to successfully develop and implement local-content regulations and strategies. The experience of the case study countries above show that the success or otherwise of local-content legislation and policies remains a function of a country’s institutional setting and developmental paradigm. Based on the review of the case studies, we summarize that successful local-content legislation and policies should be anchored on the following principles: (i) local-content policies need to look beyond simple generation of economic rents to focus on the development of linkages; (ii) the tools developed to measure agreed local-content benchmarks must be clearly defined to the acceptance of all industry players; and (iii) entrenching local content depends on the availability of an industrial-supply base that can act as growth levers.
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    Technology and innovation in the Brazilian oil sector: ticket to the future or passage to the past? (2016)
    Oxford University Press
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    Publication Date: 2016-08-06
    Description: This article demonstrates how the oil regulatory framework enacted in Brazil in 2010 will have detrimental effects on technology and innovation. The shortcomings essentially derive from three of its aspects: (i) operational exclusivity; (ii) the governance structure of the operational committee; and (iii) local content policies which lack adequate focus and strategic planning. All these elements actually stem from an excessively intrusive regulatory approach, within a typical top-down model, disproportionately reliant on command and control procedures. The current regulations will lead to significant drawbacks in technology and innovation in Brazil that will inevitably affect Petrobras. Even worse, however, they will not guarantee the development of a dynamic and sustainable industry of suppliers. Instead of using Petrobras to propel its industry of providers towards higher technological standards, suppliers will be dragging the national oil company downwards at the expense of the whole sector. A less intrusive regulatory framework, based on reflexive and responsive regulations is more suitable in this context, since it induces agents to continuously interact in a favourable way for the intended outcomes, instead of imposing norms and rules on them that most probably lead to other undesirable consequences.
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    Gordon Barrows: The man who helped to educate the petroleum world (2016)
    Oxford University Press
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    Publication Date: 2016-08-06
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    The Weser Case: Case C-461/13 BUND V GERMANY (2016)
    Oxford University Press
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    Publication Date: 2016-05-11
    Description: This analysis piece deals with a landmark case C-461/13, or the Weser case, in which the European Court of Justice settled a years-long dispute over the legal status of the environmental objectives laid down in the Water Framework Directive (2000/60/EC). The Court ruled that the objectives are legally binding: the Member States are for example obliged to refuse authorisation from individual projects estimated to compromise the objectives. The Court also took a strong stance on the so-called non-deterioration principle, ruling that it binds the Member States to such an extent that decline of the quality of the surface waters is no longer allowed. Being so, the Court did acknowledge the possibility of exemption from the now constituted norms, putting the derogation regime created in the Directive in the spotlight. Thus the alleged management planning instrument has turned into a more traditional, formalistic legal tool, affecting individual permitting procedures all across the Union.
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    Performance analysis of a cascaded solar Organic Rankine Cycle with superheating (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: A cascaded Organic Rankine Cycle (ORC) with scroll expanders is investigated in this paper, the system performances under various configurations are evaluated and the effect of superheating on the system efficiency is clarified. The efficiency of two-stage ORC system is 38.9% higher than that of single-stage system when R245fa is used as the working fluid, while the efficiency of two-stage ORC system is 10% lower than that of single stage when R134a is adopted. The specific work of single-stage ORC system with R245fa increases linearly with the degree of superheat. There is an optimal superheated degree for the system output power and efficiency, which is 35 K for the expansion ratio of 3.5 and 45 K for the expansion ratio of 5.
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    Investigation of the effect of design parameters on power output and thermal efficiency of a Stirling engine by thermodynamic analysis (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: This article demonstrates a study on finite-time thermodynamic assessment and analysis of a Stirling heat engine. Finite-time thermodynamics is performed to specify the net thermal efficiency and power output of the Stirling system with finite-rate heat transfer, regenerative heat loss, conductive thermal bridging loss and finite regeneration process time. The model investigates effects of the inlet temperature of the heat source, the volumetric ratio of the engine, effectiveness of heat exchangers and heat capacitance rates on the net power output and thermal efficiency of the engine. Output power of the Stirling engine is maximized under two optimization scenarios. In the first scenario, the higher working temperature of the Stirling engine is considered as a decision design parameter (decision variable) while in the second scenario, in addition to the higher working temperature, the temperature ratio of the engine is also considered as a design parameter. Furthermore, the thermal efficiency of the cycle corresponding to the magnitude of the maximized power of the engine is evaluated. Finally, sensitivities of results towards shift in the thermal parameters of the engine are studied.
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    Energy saving potential of indirect evaporative cooler under Indian climates (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: Vapour compression refrigeration-based air conditioners are being used for comfort cooling in residences, offices and commercial buildings in many countries throughout the world. These systems consume substantial power and energy and produce harmful effect on environment by damaging ozone layer. This article presents an analytical evaluation of energy saving potential of an indirect evaporative cooler for summer months in Indian climates. Three climates likely to be suitable for indirect evaporative cooling, namely composite, hot and dry and moderate, have been selected for this purpose. The monthly average environmental data for three Indian cities namely Delhi, Jodhpur and Bangalore representing three different climates were used for this study. Summer month—May was selected for the study. It has been found that in order to produce same cooling effect under the same climatic conditions, the power needed by indirect evaporative cooler to be about 55% less than that needed by a conventional air conditioner. The performance of an indirect evaporative cooler in the climates, hot and dry and composite, has been found to be almost similar. Thus, substantial energy can be saved by using this alternative in summer months.
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    Development of a nano-heat transfer fluid carrying direct absorbing receiver for concentrating solar collectors (2016)
    Oxford University Press
    Details
    Publication Date: 2016-05-27
    Description: A MATLAB-based computer model to design a novel directly absorbing receiver system (DARS) for concentrating solar collectors employing nanofluid-based solar radiation volumetric absorption is presented. Graphene and aluminum nanosphere-based suspensions in Therminol VP-1 were simulated to identify the optimum thermo-geometric configuration of a DARS comprising a transparent all glass tubular absorber. Several particle concentrations were simulated scrutinizing the optical response of the two colloidal dispersions to yield a minimum supply temperature of 250°C; further investigated are the implications of fluid flow velocity upon system yield. The resulting temperature fields and geometric dimensions of the DARS are predicted. Findings demonstrate that the DARS is able to deliver heat at ~265°C with a receiver tube diameter of 5 mm opposed to commercially available 70-mm diameter metallic absorbers.
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    Mean-line modeling and CFD analysis of a miniature radial turbine for distributed power generation systems (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: Distributed power generation (DPG) based on organic Rankine cycle offers potential in the effective use of energy from low grade heat sources up to 200°C. In this regard, developing an effective expander plays a major role in determining the overall cycle efficiency. In this work mean-line modeling and CFD techniques are employed to develop a small-scale radial turbine for DPG systems with a power output of ~5 kWe. A parametric study is carried out using the mean-line approach to investigate the effects of key input parameters such as operating conditions, velocity ratio, rotational speed and rotor flow angles on the turbine rotor inlet diameter and overall performance. Results from the mean-line approach show that in order to achieve high power output, inlet total temperature, mass flow rate and pressure ratio should be increased. However, for reducing the rotor inlet diameter the velocity ratio should be decreased. CFD technique is then used to assess the flow field and to improve the blade loading by modification of blade angle distribution. CFD is also used to determine the minimum number of rotor blades and the results show that the value suggested by mean-line modeling overestimates this parameter. By using these two approaches a wide range of design configurations are explored and the most effective design is identified to be with specific diameter of 4.83 (rotor inlet diameter of 0.0787 m), specific speed of 0.433 (rotational speed of 55 000 rpm), 10 blades and output power of 4.662 kW.
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    Hybrid hydrogen PEM fuel cell and batteries without DC-DC converter (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: Concerns about greenhouse gases as well as the price and security of oil supply have acted as a spur to sustainable automobile development. The hydrogen fuel cells electric vehicle (HFCEV) is generally recognised by leading automobile manufacturers and scientists as one of the optimum technologies for long-term future low carbon vehicle. In a typical HFCEV power train, a DC–DC converter is required to balance the voltage difference between the fuel cells (FCs) stack and batteries. However, research shows that a considerable amount of energy generated by the hydrogen FCs stack is deplete during this conversion process as heat. This experiment aims to improve the power train efficiency by eliminating the DC–DC converter by finding the best combination of FC stack and batteries, matching the size and capacity of the electrical components.
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    Energy and exergy analysis of passive solar distillation systems (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: In this communication, a comprehensive thermodynamic model for exergy analysis of a passive solar distillation system is presented. Temperatures of basin-liner, saline water body and inner and outer glass cover are estimated theoretically with the help of a computer program using a set of typical design and operating parameters. Energy and exergy analysis of a single-effect, single-slope horizontal passive solar still has been carried out under climatic conditions of India. It has been shown that the passive solar still can produce 4.17 l/m 2 of freshwater daily. Energy and exergy efficiency of the solar still are 30.42 and 4.93%, respectively. Causes, quantity and place of exergy destruction have also been explored for further research and improvement in the design and performance of solar stills. Exergy destruction or irreversibility in the process of each component, i.e. basin-liner, saline water body and glass cover, has been evaluated as 3353, 1633 and 362 W/m 2 , respectively, corresponding to the total solar exergy input of 6958 W/m 2 on a typical day. Their corresponding exergy efficiencies are found to be 3.91, 17.67 and 42.36%. The global exergy efficiency of the solar still is also estimated as 23.14%, taking these exergy destructions into account. The basin-liner is identified as the component around which there is highest possibility of improvement.
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    Experimental study of a capillary pumped loop in comparison with the prediction of a 3D CFD (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: A comparison is presented between experimental and numerical results regarding the operation of a capillary pumped loop evaporator. Two cylindrical evaporators were tested, with different heated porous lengths, 20 and 40 mm, respectively. Both have 22 mm external diameter, 9 mm porous thickness and 80 mm porous length. The working liquid was water. The loop was made from copper tubes and the evaporator from copper porous wick covered with aluminum with grooves formed in the inner surface. All tests took place on a horizontal level using heat load applied to the evaporator surface from an 85-W electric resistance. The experimental measurements were compared with the predictions of a three-dimensional CFD model of the evaporator and were found to be in satisfactory agreement. For the 20-mm wick heated length evaporator CFD model with water initial temperature of 20°C the divergence with the experimental pressure drop mean value was 0 Pa for volume flow rates between 0.4 and 0.6 l/min and 50 Pa for the rest of the values. For 30°C the divergence was 0 Pa 〈0.4 l/min and 50 Pa for larger flow rates. Moreover, for 40°C the difference was up to 50 Pa from 0 to 0.9 l/min. In every case predictions were below the wick capillary limit. The computed outflow temperature presented a maximum difference of 1.5% compared with the experimental data, which is very satisfying. On the other hand, the predictions of the evaporator CFD model with a 40-mm wick heated length were even better.
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    A feasible energy-saving analysis of a new system for CO2 cryogenic capture (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: A new CO 2 cryogenic capture and liquefaction system has been proposed previously in order to separate CO 2 from exhausted gases and make it as a resource for industry. This system combines CO 2 cryogenic capture with N 2 /O 2 separation together. Its energy consumption is lower than the traditional amine solution capture process as theoretical analysis. In this study, the simulation of the proposed system with several improvements was carried out aiming to reduce the energy consumption further. Many heat exchangers were introduced and the heat exchanger arrangements were optimized to recycle the refrigeration capacity from the returned N 2 after the N 2 /O 2 separation. The discharge pressure of mixture gas from the compressor was reduced from 10 to 3.493 MPa. The simulation results showed that the compression work could be greatly reduced and the energy consumption of CO 2 capture in this new system after these improvements reached 2.884 GJ/ton CO 2 . The new system is promising because not only liquid or solid CO 2 could be produced but also N 2 and O 2 could be separated.
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    Spanish photovoltaic learning curve (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: Learning by doing, or learning through market experience, reduces costs for energy production technologies. This phenomenon is modelled by using experience curves which reflect the changes in the cost of the technology as it becomes increasingly used. This article calculates the Spanish photovoltaic (PV) learning curve over the period 2001–12 by using cost data from the PV sector itself (installers, distributors and even engineers) and determines the accuracy of the obtained progress ratio by using both the coefficient of determination R 2 and also the error PR , which is directly determined from fitting the data. The results show a curve with a strong structural change in the speed of cost reduction in October 2009.
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    An innovative psychometric solar-powered water desalination system (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: Important advances have been made in solar water desalination technology but their wide application is restricted by relatively high capital and running costs. Until recently, solar concentrator collectors had usually been employed to distill water in compact desalination systems. Currently, it is possible to replace these collectors by the more efficient evacuated tube collectors, which are now widely available on the market at lower prices. This paper describes the results of experimental and theoretical investigations of the operation of a novel small-scale solar water desalination technology using the psychometric humidification and dehumidification process coupled with a heat pipe evacuated tube solar collector with an aperture area of ~1.73 m 2 . Solar radiation during spring in the Middle East was simulated by an array of halogen floodlights. A synthetic brackish water solution was used for the tests and its total dissolved solids (TDSs) and electrical conductivity were measured. A mathematical model was developed to describe the system's operation. A computer program was written to solve the system of governing equations to perform the theoretical calculations of the humidification and dehumidification processes. The experimental and theoretical values for the total daily distillate output were found to be closely correlated. The test results demonstrate that, at temperatures of 55–60°C, the system produces ~5–6 kg/h of clean water with a high desalination efficiency. Following the experimental calibration of the mathematical model, it was demonstrated that the performance of the system could be improved to produce a considerably higher amount of fresh water.
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    Thermal analysis of PCM-filled glass windows in hot summer and cold winter area (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: Phase change material (PCM)-filled glass window was suitable for absorbing or releasing more heat than conventional glass window. Comparisons of thermal performance between PCM-filled glass windows and insulated glass windows (double glass windows filled with dry air and surrounded by sealing strips) were presented in this paper. A 3D unsteady model was built in FLUENT to obtain the internal and external surface temperature fluctuations of these windows in 48 h. Compared with insulated glass windows, thermal performance (especially the thermal regulation effect) of double glass windows filled with Na 2 SO 4 ·10H 2 O was quite satisfactory in sunny days of summer, while double glass windows filled with CaCl 2 ·6H 2 O had a better thermal performance in overcast and rainy days of summer. Because the phase change temperature of these PCM is higher than the ambient temperature in winter, the thermal regulation effects of them were not as good as expected.
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    Simultaneous synthesis of heat exchanger network with the non-isothermal mixing (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: Optimization of heat exchanger network is attributed to improving the process industrial energy utilization ratio. Energy consumption reduction plays an important role in the low-carbon economic development. Several synthesis approaches for heat exchanger network have been proposed and extended during the last three decades. With the evolution of the computer technology, the simultaneous synthesis method via mathematic programming attracts a great deal of attention worldwide. However, some difficulties still need to be overcome, for instance, model simplification and computational complexity. In this work, the simultaneous stage-wise synthesis model without the assumption of isothermal mixing is presented and implemented using effective initialization strategies and a novel two-level algorithm. Three case studies illustrated the better performance of the initialization strategies and two-level algorithm for heat exchanger network synthesis problems, considering non-isothermal mixing.
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    Capturing atmospheric carbon: biological and nonbiological methods (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: Atmospheric carbon dioxide is one of the primary greenhouse gases on earth and its continuous emission by manmade activities is leading to a rise in atmospheric temperature. On the other hand, various natural phenomena exist that contribute to the sequestration of atmospheric carbon dioxide, i.e. its capture and long-term storage. These phenomena include oceanic, geological and chemical processes happening on earth. In addition to the above-mentioned nonbiological methods, various biological methods viz. soil carbon sequestration and phytosequestration have also been contributing to fixation of atmospheric carbon. Phytosequestration is mainly performed by several photosynthetic mechanisms such as C 3 , C 4 and crassulacean acid metabolism (CAM) pathways of plants, carboxysomes of cyanobacteria and pyrenoids of microalgae. For an effective mitigation of global climate change, it is required to stabilize the CO 2 concentration to viable levels. It requires various permutations and combinations of naturally existing and engineering strategies. Although numerous strategies are in commodious use in the present times, the issues of sustainability and long-term stability still exist. We present an overview of the natural and manmade biological and nonbiological processes used today to reduce atmospheric CO 2 levels and discuss the scope and limitations of each of them.
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    Performance of U-tube solar water heater with vertical and inclined panels (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: A conventional natural convection flat plate solar collector needs to be placed at an incline to the horizontal and exposed to the sun in order for the solar hot water heater system to work. This arrangement is satisfactory where there is ample roof top space to locate the collector and storage tank. In a high-rise apartment, space is at a premium and also the hot-water recticulation requires long lengths of piping to distribute the hot water supply to the individual apartment. Most every modern high-rise apartment has a balcony facing outward from the wall structure. Balcony-type solar water heaters (SWHs) are catching up fast in China. Their performance would depend on collector and storage tank designs and sizes, weather conditions (solar radiation intensity and ambient temperature) and direction in which the balconies are facing. This article compares the outdoor performance of two SWH systems incorporating the evacuated glass U-tube solar collectors operating under natural convection. The panels were tested in both the vertical and inclined positions using the same tank but at different times of the year. It was found that the inclined panel system performed better than the system with the vertical panel system.
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    Design and commission a zero-carbon building for hot and humid climate (2016)
    Oxford University Press
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    Publication Date: 2016-05-27
    Description: The Construction Industry Council (CIC) Zero-Carbon Building is a net zero-carbon building that was designed for local hot and humid climate of sub-tropical Hong Kong. Over 80 sustainability features of the architecture and building systems have considered the life-cycle carbon emissions, including the embodied carbon of construction materials, emissions associated with the construction process, the 50-years of operation and decommission of the building. The total life-cycle carbon emission was off-set by on-site renewable energy generated by photovoltaics (PV) and bio-diesel combined cooling heating and power (CCHP) system. To optimise the design, a series of climate-responsive strategies on passive architecture were applied to the construction of the building. These include the high-performance facade, effective air tightness and optimised window design that allows the application of natural ventilation and daylighting. Reduction of 20% energy demand was achieved by these passive designs. To further lower the carbon emission on operation, energy-efficient air-conditioning (A/C) systems using desiccant dehumidification, underfloor air supply and radiant cooling have also contributed on achieving an ultralow energy use value. Amalgamated saving of these passive and active systems are over 45% when compared with the design per existing local building energy codes.
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    The Contribution of the Courts in Tackling Climate Change (2016)
    Oxford University Press
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    Publication Date: 2016-05-11
    Description: Climate change is a persistent, pervasive and pernicious problem. Each branch of government, including the judiciary, has a role to play in tackling climate change. Courts can make a meaningful contribution by: providing equal access to justice; determining and not deferring climate change claims; upholding the rule of law; taking and forcing the executive, legislature and private sector to take climate change seriously; explaining and upholding the fundamental values underpinning the law; promoting environmental values and putting a price on them; assisting the progressive and principled development of climate change law and policy; and making reasoned and evidence-based decisions.
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law
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    Climate Change and the Rule of Law: Adjudicating the Future in International Law* (2016)
    Oxford University Press
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    Publication Date: 2016-05-11
    Description: The article, which is based on a lecture delivered in London in September 2015, addresses the possibilities for adjudication of climate change issues before international courts and tribunals, finding them to be more favourable today than a few years ago. It argues for a role of international courts and tribunals in the determination of factual and scientific matters related to climate change, assessing the possible role of international courts of a more general jurisdiction, such as ITLOS and the ICJ.
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    Climate Change Adjudication after Paris: A Reflection (2016)
    Oxford University Press
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    Publication Date: 2016-05-11
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    Towards a Holistic Approach in EU Biomass Regulation (2016)
    Oxford University Press
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    Publication Date: 2016-05-11
    Description: The energy transition requires a legal system that promotes the most sustainable forms of energy. This requires a holistic approach that accounts for all effects of energy production throughout the energy chain. This article analyses the presence of holistic elements in the current legal framework of biomass used for energy purposes. It finds that the most advanced example, sustainability criteria for biofuels, applies to only a fraction of all biomass uses, as the applicability is dependent on the production process used and the manner of consumption. Furthermore, the legal framework for biomass accounts for neither all direct effects, nor any indirect effects of production, nor the carbon debt resulting from biomass combustion. All this undermines the assumed sustainability of biomass. As a result, the current legal framework is far from holistic and poorly equipped to promote the most sustainable forms of energy.
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    Potential and Limits of Out-Of-Court Rapid Claims Settlement--A Law and Economics Analysis (2016)
    Oxford University Press
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    Publication Date: 2016-05-11
    Description: This article deals with compensation mechanisms for the aftermath of disasters. It claims that there is a necessity to speedily compensate victims of an accident, if this can prevent the occurrence of large societal follow-on damage. In reality this does not often happen. This article takes the entitlement to compensation as given, does not discuss substantive law matters regarding compensation, but deals with procedural aspects of how to actually get this compensation. The main obstacles to fast compensation may be found in lengthy mass litigation. Then again, civil litigation also entails economic advantages. There are law and economics arguments in favour of litigation versus alternative dispute resolution (ADR) solutions. After setting out the theoretical arguments, we discuss some American and European real-life examples of such rapid claims settlement mechanisms: the Gulf Coast Claims Facility (GCCF) and the Belgian compensation fund for technological accidents. The theoretical discussion, enriched by the illustration of the practical examples, will culminate in guidelines on how to set up a rapid claims settlement mechanism.
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    The 2015 Paris Agreement: Interplay Between Hard, Soft and Non-Obligations (2016)
    Oxford University Press
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    Publication Date: 2016-07-13
    Description: The 2015 Paris Agreement, a product of a deeply discordant political context rife with fundamental and seemingly irresolvable differences between Parties, is an unusual Agreement. It contains a mix of hard, soft and non-obligations, the boundaries between which are blurred, but each of which plays a distinct and valuable role. This article identifies various defining elements of legal character and tabulates the core provisions of the Paris Agreement across a spectrum from those that conform most closely to hard obligations to those that are best characterized as ‘non-obligations’. It explores political drivers for the carefully calibrated mix of hard, soft and non-obligations in the Paris Agreement, as well as the dynamic interplay between them, and their critical importance in delivering an agreement acceptable to all.
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    The retrofitting of an old style semi-detached house for energy reduction and carbon savings under the UK climate (2015)
    Oxford University Press
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    Publication Date: 2015-05-13
    Description: The impact of climatic change through greenhouse gas emission is a recognized major global crisis. Energy use in residential and commercial buildings is a major part of the total consumption in European countries and is estimated to be ~40% of the total load. Currently, the concept of building retrofit has become a top priority for the UK government in order to meet the national plans for reducing CO 2 emissions by 80% compared with 1990 levels by 2050. This study presents the simulation results for a case study of energy and CO 2 emission savings of a nineteenth century semi-detached building in the UK. The building was refurbished to high standards of energy efficiency, with four simulation scenarios developed for analysis: As-built, As-built 1965, As-reality and post-retrofit. DesignBuilder software was used to simulate the annual energy consumption and carbon emissions in all cases. In addition to this, thermal imaging and air-tightness tests were conducted and the results were used to validate the models. The post-retrofit results showed there is a significant reduction in energy consumption that exceeded 80% with carbon emissions being reduced above 70%. Economic analysis of each retrofit scenario was then undertaken, and results showed payback varied between 9 and 40 years due to the fluctuation in fuel prices and construction retrofit materials. The models indicate performance of the building post-retrofit can be significantly improved in terms of energy reduction and CO 2 emission savings. Further research is being performed to improve performance through field monitoring and installation of innovative retrofit technologies.
    Keywords: Sustainable/low carbon buildings
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    Numerical analysis of solar-assisted seasonal 'open' thermochemical heat storage (2015)
    Oxford University Press
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    Publication Date: 2015-05-13
    Description: In the last decade, interest in heat storage systems has been increasing. These systems will have increasing importance for utilization of solar energy in domestic heating systems. As solar energy is a diurnal cyclic resource, storing excess solar energy for long- or short-term periods will both increase the utilization of solar energy systems and decrease fossil fuel consumption. The relatively new heat storage method using thermochemical storage has shown some significant advantages such as low heat loss (-〉 zero), high heat storage density and low space requirement. These important properties make thermochemical storage a promising alternative for long-term energy storage. In the present study, a numerical investigation on ‘open’ seasonal thermochemical storage has been undertaken. The simulation results show that the volume/mass of the absorbent, mass flow rate and relative humidity of air have significant importance on the reaction kinetics and system performance during the system discharging process. Conversely, total collector area, solar radiation and mass flow rate of air are important parameters during the charging process. The results conclude that, overall, reactor design is the most important factor for storage performance. In addition, reaction advancement ( X ) has a significant importance on process efficiency.
    Keywords: Other low-carbon energy technologies
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    High-efficiency ventilation and heating systems by means of solar air collectors for industry building refurbishment (2015)
    Oxford University Press
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    Publication Date: 2015-05-13
    Description: For the purpose of energy conservation, modern buildings are becoming more and more air-tight and generally rely on a mechanical ventilation system. According to the literature, solar air heating systems can contribute in a cost-effective way to the heating and ventilation of utility buildings. Especially cost-efficient, unglazed, façade-integrated solar air collectors seem to be an attractive new market for façade renovation. To demonstrate the technical feasibility of generating heating energy on facades, a demonstration plant based on an unglazed solar air collector was installed in 2013 in the façade of a demonstration building and was intensively studied using energy metering.
    Keywords: Sustainable/low carbon buildings
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    Solar low-pressure turbo-ejector Maisotsenko cycle-based power system for electricity, heating, cooling and distillation (2015)
    Oxford University Press
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    Publication Date: 2015-05-13
    Description: The article describes the innovative solutions of power, heating and cooling generation utilizing low- or medium-grade heat sources. The proposed technology based on the well-known irreversible Brayton cycle and the revolutionary Maisotsenko cycle (M-cycle) operates at atmospheric or sub-atmospheric pressures. Such energetic systems are simple and reliable and utilize moisture-saturated air as a working fluid. The ejector replacing the mechanical compressor in the Brayton cycle system allows increasing the cycle work by three to five times at the constant airflow. At the same time, the utilized heat serves for simultaneous heating and cooling production that makes the system economically viable and environmentally friendly with the increased integral performance. For system's performance improvement, the schematic and the cycle were upgraded allowing the off-the-shelf components to be employed and replace the electrically driven fan with fluidic jet-fan that served for energy saving of the innovative turbo-ejector system operation.
    Keywords: Solar energy technologies
    Print ISSN: 1748-1317
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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    Optimization of building-integrated photovoltaic thermal air system combined with thermal storage (2015)
    Oxford University Press
    Details
    Publication Date: 2015-05-13
    Description: Photovoltaic (PV) combined with phase change material (PV/PCM) system is a hybrid solar system that uses a PCM to reduce the PV temperature and to store energy for other applications. This study aims to increase the integrated PV efficiency of buildings by incorporating PCM while utilizing the stored heat in PCM for controlling indoor conditions. Experiments have been carried out on a prototype PV/PCM air system using monocrystalline PV modules. Transient simulations of the system performance have also been performed using a commercial computational fluid dynamics package based on the finite volume method. The results from simulation were validated by comparing it with experimental results. The results indicate that PCM is effective in limiting temperature rise in PV device and the heat from PCM can enhance night ventilation and decrease the building energy consumption to achieve indoor thermal comfort for certain periods of time.
    Keywords: Other low-carbon energy technologies
    Print ISSN: 1748-1317
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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    Thermal energy storage: the role of the heat pipe in performance enhancement (2015)
    Oxford University Press
    Details
    Publication Date: 2015-05-13
    Description: Heat pipes and thermosyphons—devices of high effective thermal conductivity—have been studied for many years for enhancing the performance of solid, liquid and phase change material (PCM) heat stores. However, as the applications of heat storage widen, from micro-electronics thermal control to concentrated solar heat storage and vehicle thermal management, and even for chemical reactor isothermalization, the challenges facing heat storage increasingly are moving from those associated with the ‘standard’ diurnal storage, in itself a problem for low thermal conductivity materials, to response times measured in a few hours or even minutes. While high thermal conductivity metals such as foams can be impregnated with a PCM, for example, to increase local conductivity, the rapid heat input and removal necessitates a more radical approach—heat pipes, possibly with feedback control, with innovative PCM interfaces. This paper reviews the use of heat pipes in conventional and rapid response PCM and liquid or cold storage applications and introduces some novel concepts that might overcome current limitations.
    Keywords: Other low-carbon energy technologies
    Print ISSN: 1748-1317
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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    Identifying bottlenecks in charging infrastructure of plug-in hybrid electric vehicles through agent-based traffic simulation (2015)
    Oxford University Press
    Details
    Publication Date: 2015-05-13
    Description: The effect of different charging infrastructure configurations on the electric-driven distance of plug-in hybrid electric vehicles (e-mileage) has been investigated, using an agent-based traffic simulation. Our findings suggest that the same e-mileage can be achieved with fewer charging poles if the poles support charging from several parking slots around them, and the charging cable is switched from one vehicle to the next. We also find that the charging power supported by most Finnish charging stations, 3.7 kW, and the cable switching delay of 1 h seem to be sufficient for effective workplace charging.
    Keywords: Other low-carbon energy technologies
    Print ISSN: 1748-1317
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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    Characteristics of Successful Environmental Courts and Tribunals (2014)
    Oxford University Press
    Details
    Publication Date: 2014-11-07
    Description: Over the course of the past few decades, there has been an exponential growth in environmental courts and tribunals (ECTs). At present, over 350 of these specialized fora for resolving environmental disputes exist, spanning across every region throughout the world. Some of the ECTs have been more successful but others have been less successful. This article identifies 12 characteristics that experience suggests are required for an environmental court or tribunal to operate successfully in practice, drawing upon examples from multiple jurisdictions. In identifying best practices, both substantive and procedural, from existing ECTs, this article will assist two groups: first, stakeholders who are in the process of planning or creating environmental courts or tribunals in their jurisdictions and, secondly, stakeholders and countries that are looking to improve the functioning and performance of their own ECTs.
    Print ISSN: 0952-8873
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law
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    This is Not a Thing: Land, Sustainability and Legal Education (2014)
    Oxford University Press
    Details
    Publication Date: 2014-11-07
    Description: Legal education plays an important but under-acknowledged role in anthropogenic environmental change because it shapes and qualifies people to become lawyers, judges and policy makers. Their work can prohibit and legitimate particular environmental practices. The conceptual framework of law, its taxonomy, as taught to students of law, often perpetuates an unsustainable relationship to the environment where it separates questions of entitlement to land and natural resources from questions of responsibility for them. The implication of perpetuating this separation in law curricula is that generations of legal practitioners will remain unlikely to develop a coherent system of environmental law that aligns rights with responsibilities. Environmental education scholar David Orr argues that ‘all education is environmental education’. But legal education often excludes environmental considerations even where these are materially relevant. Given the role of legal education in shaping future law, this article contends that rethinking its categories opens the possibility to create sustainable land use practice laws and policy.
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    The Limits of Interdisciplinarity and the Practice of Environmental Law Scholarship (2014)
    Oxford University Press
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    Publication Date: 2014-11-07
    Description: This article utilises the concept of interdisciplinarity as a background against which to reflect on the nature of environmental law scholarship. The article argues that, while interdisciplinary scholarship has some tangible benefits in terms of expanding the perimeters of a discipline, the effects of interdisciplinary work are often exaggerated. In fact, interdisciplinary scholarship may have the unintended consequence of entrenching academic disciplines even further. In light of this, it is argued that environmental law scholarship is best perceived and defined as a deliberative practice which takes place within, and speaks to, a specific community of scholars—an interpretive community. In order to secure a vibrant discipline, the article argues that the community ought to maintain a flexible, open-ended and broadly defined approach to environmental law scholarship.
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    Corporate Crops: Biotechnology, Agriculture and the Struggle for Control. By GABRIELA PECHLANER (2014)
    Oxford University Press
    Details
    Publication Date: 2014-11-07
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law
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    Significant International Environmental Law Cases: 2012-14 (2014)
    Oxford University Press
    Details
    Publication Date: 2014-11-07
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law
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    Above and Below the Surface: The Status of Sub-National Authorities in EU Climate Change Regulation (2014)
    Oxford University Press
    Details
    Publication Date: 2014-11-07
    Description: European Union (EU) legal studies generally picture the Member States’ local and regional authorities as implementers of national and supranational norms rather than independent regulators. Yet, sub-national authorities (SNAs) have become active regulators in the context of climate change mitigation and adaptation, a role not foreseen by EU primary law, which this article understands to constitute the surface of EU law. This article examines regulatory activity of SNAs from the perspective of EU law. It illustrates that sub-national, national, supranational and international actors are engaged in a process of mutual learning and experimentation and that, below its surface, EU law recognises that SNAs are not mere implementers of norms but also independent regulators.
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    Bund Naturschutz in Bayern Revisited: The Required Standard of Protection under the EU's Habitats Directive Prior to a Site's Adoption as a Site of Community Importance (2014)
    Oxford University Press
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    Publication Date: 2014-11-07
    Description: This article presents a fresh analysis of the implications of the 2006 judgment of the Court of Justice of the European Union (CJEU) in Case C-244/05 Bund Naturschutz in Bayern , which clarified the standard of legal protection afforded to sites eligible for adoption as Sites of Community Importance (SCIs) under the EU’s Habitats Directive. The article argues that, as a result of this line of case law, it will be unlawful ( at least in certain cases, and perhaps in all) to apply the Article 6(4) Habitats Directive derogation in respect of eligible sites which have not yet been adopted by the European Commission as SCIs. The Commission appears to have been aware of this potential implication, and acted swiftly to minimise the potentially disruptive impact of the judgment on plans and projects within the EU. The article also considers the relevance of the CJEU’s Sweetman judgment ( C-258/11 ) to the Bund Naturschutz in Bayern line of jurisprudence.
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    Emissions Trading Schemes - Markets, States and Law. By SANJA BOGOJEVIC (2014)
    Oxford University Press
    Details
    Publication Date: 2014-11-07
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law
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    Nuisance and Environmental Protection - A Study of Nuisance Injunctions in Practice. By BEN PONTIN (2014)
    Oxford University Press
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    Publication Date: 2014-11-07
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law
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    Reconceptualising the Role of the New Zealand Environment Court (2014)
    Oxford University Press
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    Publication Date: 2014-11-07
    Description: What does the specialised nature of an environment court entitle it to do? The recent decision of the New Zealand Supreme Court in Environmental Defence Society Incorporated v Marlborough District Council (‘the King Salmon case’)[2014] NZSC 38 helps to answer this question. For the past 20 years, the New Zealand Environment Court has decided applications within a framework of the broadly defined statutory purpose of sustainable resource management. The King Salmon case narrows this wide discretion. This article analyses the implications of the decision, suggesting that it helps to delineate between functions of specialist environment courts that may be considered appropriate (adjudicative and legislative fact finding) and decision-making that strays too far into the policy-sphere.
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    Enforcement at the EPA: High Stakes and Hard Choices. By JOEL A. MINTZ (2014)
    Oxford University Press
    Details
    Publication Date: 2014-11-07
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law
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    Protecting Wild Animals from Unnecessary Suffering (2014)
    Oxford University Press
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    Publication Date: 2014-11-07
    Description: This article compares the protection from unnecessary suffering afforded to wild animals with that afforded to domesticated animals and animals under human control. It considers various forms of species-specific biodiversity- and conservation-based protection for wild animals, under legislation such as the Wildlife and Countryside Act 1981 and the Conservation of Habitats and Species Regulations 2010, as well as the general protection from intentionally inflicted unnecessary suffering afforded to wild mammals under the Wild Mammals (Protection) Act 1996. The article then compares the standard of protection afforded to wild animals with that afforded to non-wild animals under section 4 of the Animal Welfare Act 2006, which criminalises unnecessary suffering unreasonably caused to non-wild animals.
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    Indirect expropriation and political risk insurance for energy projects (2015)
    Oxford University Press
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    Publication Date: 2015-04-14
    Description: Sellers and buyers of political risk insurance (PRI) ask a simple question about a claimed indirect expropriation: ‘Is it covered by the PRI policy?’ The answer is far from simple. This article investigates only one PRI coverage—compensation for indirect expropriatory conduct. Numerous definitional issues and uncertainties exist. Investors in energy projects and PRI insurance providers will therefore both benefit from direct and clear discussions about the scope of indirect expropriation cover under a PRI policy before the policy is purchased.
    Print ISSN: 1754-9957
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law , Economics
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    The importance of a strong force majeure clause in an unstable geopolitical environment (2015)
    Oxford University Press
    Details
    Publication Date: 2015-04-14
    Description: A number of recent governmental actions have impacted energy companies' abilities to perform under contracts relating to the extraction and export of natural resources in countries such as Russia, Iraq, and Libya. What steps can a company take to protect itself when relations between oil-rich countries and the West deteriorate? Should a company continue performing under its contract at the risk of violating economic sanctions or should it refrain from performing and risk contractual liability? While tempting to assume that the relevant contract's force majeure provision will provide sufficient protection, force majeure is not a magic talisman that can always be invoked to avoid contractual obligations that have become too difficult to perform. This article analyzes relevant case law and model clauses published by the Association of International Petroleum Negotiators and the International Chamber of Commerce to provide practical guidance on force majeure situations resulting from government action and civil unrest.
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law , Economics
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    Reimagining UKCS transfers: improving the effectiveness of the Master Deed and the UKCS transfer regime (2016)
    Oxford University Press
    Details
    Publication Date: 2016-03-30
    Description: When the Master Deed was conceived one of its core objectives was to expedite and simplify the United Kingdom Continental Shelf (UKCS) asset transfer regime. Although the Master Deed has had some successes since its introduction in 2003, its effectiveness in reducing the time and cost of asset transfers in the UKCS has been hindered by an inconsistent application of legal principles and the overtly adversarial legal and commercial culture that prevails in the UKCS. The UKCS’s viability to continue as a profitable producing basin is currently under threat as margins are squeezed by high producing costs and low commodity prices. During such times of increased financial pressure, it is imperative that regulators react to these challenges by developing and nurturing a regulatory environment that reduces administrative obstacles associated with asset transfers encouraging greater liquidity and investment. This article argues that with the support of a proactive and collaborative regulator, which safeguards the consistent application of transfer provisions, discards outdated methodologies and fosters a more collaborative culture between UKCS participants, the UKCS transfer regime has the potential to be one of the most dynamic and user friendly regimes of its kind. Maximizing the effectiveness of the transfer regime will ensure that the UKCS remains a competitive environment to carry out oil and gas operations, elongating its producing life and increasing overall hydrocarbon recovery.
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    Russias gas challenge: the consequences for China, Central Asia, Europe and the USA* (2016)
    Oxford University Press
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    Publication Date: 2016-03-30
    Description: Russia is posing a series of challenges to gas consumers and gas producers alike. But the effectiveness of these challenges remains a matter of considerable debate. Overall, prospective Russian actions and policies have profound implications for the development of the European gas market in general, and thus for potential US LNG exports to Europe. Moreover, underlying all this is the most worrisome question of all: do Russia’s policies and actions enable gas consumers—and indeed, some Central Asian gas producers—to regard Russia as a reliable energy partner? This article therefore addresses: Prospects for the full implementation of the Russia–China gas accords; Prospects for Turkmen gas supply to both Russia and China; Prospects for the development of both Gazprom’s Turkish Stream project and the EU-backed Southern Gas Corridor; Prospects for US LNG in Europe; The potential challenge that a change in Russian gas export policies could pose to European gas prices. The article also seeks to answer the question as to whether Russia can be considered a reliable partner, particularly in connection with long-term deliveries to Europe.
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Law , Economics
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    Gas governance in Indonesia (2016)
    Oxford University Press
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    Publication Date: 2016-03-30
    Description: Article 33 of the 1945 Constitution of Indonesia is the most basic rule that serves as the main source for every policy concerning natural resources in Indonesia. It is interesting that ever since the independence of the Republic of Indonesia, there is no official or formal interpretation with regard to that provision. This article will discuss the Indonesian Constitutional Court’s interpretation of Article 33 of the 1945 Constitution of Indonesia. Furthermore, it will discuss overlapping rules and policies, and how derivative rules are in contradiction with Article 33 of the 1945 Constitution of Indonesia. An understanding of this provision is crucial in order to understand the general principles of gas governance in Indonesia.
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    How to Reach a Safe Circular Economy?—Perspectives on Reconciling the Waste, Product and Chemicals Regulation (2020)
    Oxford University Press
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    Publication Date: 2020-10-09
    Description: This article discusses the regulation of ‘substances of concern’ in the circular economy (CE) in the European Union (EU). It analyses the tensions and obstacles that the present sectoral separation of waste, product and chemicals legislation sets for the development of the CE. We argue that in a longer term perspective the aim should be to erase the border between waste and chemicals regulation and create a single regime for the regulation of materials and their flow. However, the eventual aim of such non-toxic material circulation can be achieved only via precautious transitional measures that outweigh the costs and benefits of each material flow and set restrictions for the particular substances of concern. Regulatory actions addressing the risks posed by the substances of concern in the waste-based material flows are urgently needed. New measures are necessary to protect human health and the environment and to support the development of the markets for the secondary materials.
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    Transparency of government revenues from the sale of natural resources: pursuing the international course through EITI (2015)
    Oxford University Press
    Details
    Publication Date: 2015-05-30
    Description: The Extractive Industries Transparency Initiative (EITI) Standard adopted in May 2013 broke new ground by including revenues from the sale of natural resources among the revenue streams to be reported by governments. This addition is of great significance considering the economic importance of sales revenues, in particular in the case of crude oil, and the rather opaque environment in which the sale and purchase of natural resources often takes place. Transparency of sales revenues, as for fiscal revenues from upstream activities, helps empower citizens of resource-rich countries to hold their governments accountable for the wealth generated by those resources. The author argues in favour of a global adoption of the EITI regime and its further strengthening in the area of disclosure of payments by companies purchasing natural resources, including commodity traders. The experience of Iraq with EITI reporting shows how information from the government as well as companies regarding the sale of the state’s crude oil can be made available to the public. National, top-down initiatives, such as the disclosure rules in section 1504 of the Dodd-Frank Act (not implemented at the time of writing), only compel companies under national jurisdiction to disclose payments to foreign governments. Unilateral initiatives create a patchwork of inconsistent standards, inviting regulatory arbitrage. As an example, while the disclosure requirements developed in the USA also apply to payments by listed companies purchasing natural resources for exporting (oil companies, refineries, commodity traders, etc); the scope of the legislation introduced in the European Union is limited to payments for upstream activities by companies in the extractive (and forestry) industries. The resulting unbalanced playing field, in addition to compliance costs, is an issue of concern to businesses, in particular with regard to the disclosure of commercially sensitive information. These considerations inform the ongoing debate regarding the possible adoption of transparency requirements in Switzerland, a major trading hub for physical energy commodities.
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    Foreign investment in Iran's upstream oil and gas operations: a legal perspective (2015)
    Oxford University Press
    Details
    Publication Date: 2015-05-30
    Description: Investment in upstream oil and gas operations is of great importance for the exploration and development of oil and gas fields. There are diverse and varied laws and regulations regarding investment in upstream oil and gas operations. This article intends to investigate and evaluate these various laws, as well as to provide an answer to the question as to what extent these rules are able to provide a secure legal framework for foreign investment in upstream oil activities. In this article we first prove that from a legal point of view foreign investment in oil and gas upstream activities has not been very explicitly permitted. Secondly, the basic terms and conditions of upstream oil and gas contracts, through which investments can be materialized in the oil and gas sector, have not yet been touched by regulations. And thirdly, it is still unclear which body is responsible for defining these essential terms and conditions: whether it is the Council of Ministers, the Economic Council or there is no legal body at all to legalize these terms and conditions and they are left to the Ministry of Petroleum and the National Iranian Oil Company (NIOC) itself to set these terms and conditions within the broad framework of the legislation.
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    Subscription (2015)
    Oxford University Press
    Details
    Publication Date: 2015-07-18
    Print ISSN: 1750-6816
    Electronic ISSN: 1750-6824
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Political Science , Economics
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    A Word from the Editor (2015)
    Oxford University Press
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    Publication Date: 2015-07-18
    Print ISSN: 1750-6816
    Electronic ISSN: 1750-6824
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Political Science , Economics
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    The Social Value of Job Loss and Its Effect on the Costs of U.S. Environmental Regulations (2015)
    Oxford University Press
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    Publication Date: 2015-07-18
    Description: Job loss is typically not valued in benefit–cost analyses of environmental regulations. But empirical evidence suggests that involuntary job loss results in large social costs, particularly when local unemployment is high. This article presents estimates of the social costs of job loss in the United States, based on estimates of how local labor markets respond to job changes. These estimated social costs have a present value per job lost in the hundreds of thousands of dollars. However, these social costs are far less than the earnings associated with the lost jobs, because of labor market adjustments as well as some offsets from the value of increased non-work time. An examination of major U.S. environmental regulations suggests that job losses will usually add only modestly to overall regulatory costs. However, if the magnitude of a regulation’s benefits and costs are close in monetary terms, then accounting for job loss could tip the regulatory decision. It is also important for regulatory analyses to examine the potential magnitude of gross job loss, particularly in high unemployment areas.
    Keywords: Q51 - Valuation of Environmental Effects, Q58 - Government Policy, H43 - Project Evaluation ; Social Discount Rate, J68 - Public Policy
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    Topics: Energy, Environment Protection, Nuclear Power Engineering , Political Science , Economics
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