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  • Books  (36)
  • energy engineering  (18)
  • seismology  (18)
  • Rijeka : InTech  (36)
  • 1
    Keywords: energy engineering ; renewable resources
    Description / Table of Contents: This book entitled "Biodiesel: Quality, Emissions and By-products" covers topics related to biodiesel quality, performance of combustion engines that use biodiesel and the emissions they generate. New routes to determinate biodiesel properties are proposed and the process how the raw material source, impurities and production practices can affect the quality of the biodiesel is analyzed. In relation to the utilization of biofuel, the performance of combustion engines fuelled by biodiesel and biodiesels blends are evaluated. The applications of glycerol, a byproduct of the biodiesel production process as a feedstock for biotechnological processes, and a key compound of the biorefinery of the future is also emphasized.
    Pages: Online-Ressource (380 Seiten)
    ISBN: 9789533077840
    Language: English
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  • 2
    Unknown
    Rijeka : InTech
    Keywords: energy engineering ; renewable resources
    Description / Table of Contents: The fourth book of the four-volume edition of 'Solar cells' consists chapters that are general in nature and not related specifically to the so-called photovoltaic generations, novel scientific ideas and technical solutions, which has not properly approved. General issues of the efficiency of solar cell and through hydrogen production in photoelectrochemical solar cell are discussed. Considerable attention is paid to the quantum-size effects in solar cells both in general and on specific examples of super-lattices, quantum dots, etc. New materials, such as cuprous oxide as an active material for solar cells, AlSb for use as an absorber layer in p-i-n junction solar cells, InGaAsN as a promising material for multi-junction tandem solar cells, InP in solar cells with MIS structures are discussed. Several chapters are devoted to the analysis of both status and perspective of organic photovoltaics such as polymer/fullerene solar cells, poly(p-phenylene-vinylene) derivatives, photovoltaic textiles, photovoltaic fibers, etc.
    Pages: Online-Ressource (512 Seiten)
    ISBN: 9789533077611
    Language: English
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  • 3
    Unknown
    Rijeka : InTech
    Keywords: energy engineering
    Description / Table of Contents: The civilization of present age is predominantly dependent on energy resources and their utilization. Almost every human activity in today's life needs one or other form of energy. As world's energy resources are not unlimited, it is extremely important to use energy efficiently. Both energy related technological issues and policy and planning paradigms are highly needed to effectively exploit and utilize energy resources. This book covers topics, ranging from technology to policy, relevant to efficient energy utilization. Those academic and practitioners who have background knowledge of energy issues can take benefit from this book.
    Pages: Online-Ressource (228 Seiten)
    ISBN: 9789533077420
    Language: English
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  • 4
    Keywords: vibration ; earthquake ; seismology ; engineering
    Description / Table of Contents: Vibration is a phenomenon that we can perceive in many systems. Their effects are as diverse as the personal discomfort that can produce the unevenness of a road or the collapse of a building or a bridge during an earthquake. This book is a compendium of research works on vibration analysis and control. It goes through new methodologies that help us understand and mitigate this phenomenon. This book is divided into two sections. The first one is devoted to new advances on vibration analysis while the second part is a series of case studies that illustrate novel techniques on vibration control. The applications are varied and include areas such as vehicle suspension systems, wind turbines and civil engineering structures.
    Pages: Online-Ressource (278 Seiten)
    ISBN: 9789535106999
    Language: English
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  • 5
    Unknown
    Rijeka : InTech
    Keywords: solar radiation ; solar physics ; astronomy ; astrophysics ; energy engineering
    Description / Table of Contents: Two essential components of solar energy which are derivable from the sun-radiant light (passive solar power) and heat (active solar powers) have been harnessed for decades using a range of continuously-evolving and cutting-edge technologies. Such technologies include solar heating, solar photovoltaics, solar thermal energy, solar architecture and photo emitters. Recently, there has been active research in solar energy resources due to improvements in solar panel geometry, photo-cell materials, glazing and panel orientation. Equally, more rigorous methods of modeling inter-reflections within curvilinear surfaces are now being evaluated for simplified analytical evaluations. Therefore, this book, Solar Radiation Applications, presents the outcomes of selective and classic works on the optimization of these essential fields in active solar energy research.
    Pages: Online-Ressource (188 Seiten)
    ISBN: 9789535121244
    Language: English
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  • 6
    Unknown
    Rijeka : InTech
    Keywords: energy engineering ; renewable resources
    Description / Table of Contents: This book contains chapters in which the problems of modern photovoltaics are considered. The majority of the chapters provide an overview of the results of research and development of different types of solar cells. Such chapters are completed by a justification for a new solar cell structure and technology. Of course, highly effective solar energy conversion is impossible without an in-depth examination of the solar cell components as physical materials. The relations between structural, thermodynamic, and optical properties of the physical material without addressing the band theory of solids are of both theoretical and practical interest. Requirements formulated for the material are also to be used for maximally efficient conversion of solar radiation into useful work.
    Pages: Online-Ressource (396 Seiten)
    ISBN: 9789535121848
    Language: English
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  • 7
    Unknown
    Rijeka : InTech
    Keywords: earthquake ; seismology ; tectonics ; natural hazards ; risk analysis
    Description / Table of Contents: Chapter 1: Earthquake Instrumentation by Jae Cheon Jung --- Chapter 2: Application of Local Wave Decomposition in Seismic Signal Processing by Ya-juan Xue, Jun-xing Cao, Gu-lan Zhang, Hao-kun Du, Zhan Wen, Xiao-hui Zeng and Feng Zou --- Chapter 3: 3D Seismic Velocity Structure Around Plate Boundaries and Active Fault Zones by Mohamed K. Salah --- Chapter 4: Characteristics of Seismic Wave Propagation of Harmonic Tremors Observed at the Margin in the Lützow-Holm Bay, East Antarctica by Masaki Kanao --- Chapter 5: The b-Value Analysis of Aftershocks 170 Days After the 23 October 2011 Van Earthquake (M w, 7.1) of the Lake Van Basin, Eastern Anatolia: A New Perspective on the Seismic Radiation and Deformation Characteristics by Mustafa Toker --- Chapter 6: New Insight in Liquefaction After Recent Earthquakes: Chile, New Zealand and Japan by Yolanda Alberto-Hernandez and Ikuo Towhata --- Chapter 7: Three-Dimensional Nepal Earthquake Displacement Using Hybrid Genetic Algorithm Phase Unwrapping from Sentinel-1A Satellite by Maged Marghany and Shattri Mansor --- Chapter 8: Space-Time Forecasting of Seismic Events in Chile by Orietta Nicolis, Marcello Chiodi and Giada Adelfio --- Chapter 9: Ultra-Low-Noise Seismic Accelerometers for Earthquake Prediction and Monitoring by Felix A. Levinzon --- Chapter 10: Earthquake Prediction by Khaled Ghaedi and Zainah Ibrahim --- Chapter 11: Issues of the Seismic Safety of Nuclear Power Plants by Tamás János Katona --- Chapter 12: Intelligent Seismic-Acoustic System for Identifying the Area of the Focus of an Expected Earthquake by Telman Aliev --- Chapter 13: Earthquakes and Structural Damages by Burak Yön, Erkut Sayın and Onur Onat --- Chapter 14: Simulating Collapse Behaviors of Buildings and Motion Behaviors of Indoor Components During Earthquakes by Daigoro Isobe --- Chapter 15: Seismic Behaviour of Post-Tensioned Segmental Bridge Columns with Self-Centring System by Ehsan Nikbakht
    Pages: Online-Ressource (386 Seiten)
    ISBN: 9789535128861
    Language: English
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  • 8
    Keywords: energy engineering
    Description / Table of Contents: Nowadays, the increasing use of power electronics equipment origins important distortions. The perfect AC power systems are a pure sinusoidal wave, both voltage and current, but the ever-increasing existence of non-linear loads modify the characteristics of voltage and current from the ideal sinusoidal wave. This deviation from the ideal wave is reflected by the harmonics and, although its effects vary depending on the type of load, it affects the efficiency of an electrical system and can cause considerable damage to the systems and infrastructures. Ensuring optimal power quality after a good design and devices means productivity, efficiency, competitiveness and profitability. Nevertheless, nobody can assure the optimal power quality when there is a good design if the correct testing and working process from the obtained data is not properly assured at every instant; this entails processing the real data correctly. In this book the reader will be introduced to the harmonics analysis from the real measurement data and to the study of different industrial environments and electronic devices.
    Pages: Online-Ressource (278 Seiten)
    ISBN: 9789533073354
    Language: English
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  • 9
    Keywords: energy engineering
    Description / Table of Contents: The utilization of renewable energy sources such as wind energy, or solar energy, among others, is currently of greater interest. Nevertheless, since their availability is arbitrary and unstable this can lead to frequency variation, to grid instability and to a total or partial loss of load power supply, being not appropriate sources to be directly connected to the main utility grid. Additionally, the presence of a static converter as output interface of the generating plants introduces voltage and current harmonics into the electrical system that negatively affect system power quality. By integrating distributed power generation systems closed to the loads in the electric grid, we can eliminate the need to transfer energy over long distances through the electric grid. In this book the reader will be introduced to different power generation and distribution systems with an analysis of some types of existing disturbances and a study of different industrial applications such as battery charges.
    Pages: Online-Ressource (304 Seiten)
    ISBN: 9789533073293
    Language: English
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  • 10
    Unknown
    Rijeka : InTech
    Keywords: energy engineering ; renewable resources
    Description / Table of Contents: The third book of four-volume edition of 'Solar Cells' is devoted to solar cells based on silicon wafers, i.e., the main material used in today's photovoltaics. The volume includes the chapters that present new results of research aimed to improve efficiency, to reduce consumption of materials and to lower cost of wafer-based silicon solar cells as well as new methods of research and testing of the devices. Light trapping design in c-Si and mc-Si solar cells, solar-energy conversion as a function of the geometric-concentration factor, design criteria for spacecraft solar arrays are considered in several chapters. A system for the micrometric characterization of solar cells, for identifying the electrical parameters of PV solar generators, a new model for extracting the physical parameters of solar cells, LBIC method for characterization of solar cells, non-idealities in the I-V characteristic of the PV generators are discussed in other chapters of the volume.
    Pages: Online-Ressource (364 Seiten)
    ISBN: 9789533077475
    Language: English
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