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  • Bücher  (42)
  • geophysics  (26)
  • energy engineering  (16)
  • Englisch  (42)
  • 2010-2014  (42)
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  • Bücher  (42)
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  • 1
    Unbekannt
    Rijeka : InTech
    Schlagwort(e): energy engineering ; renewable resources
    Beschreibung / Inhaltsverzeichnis: 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.
    Seiten: Online-Ressource (364 Seiten)
    ISBN: 9789533077475
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Unbekannt
    Rijeka : InTech
    Schlagwort(e): earthquake ; seismology ; geology ; geophysics
    Beschreibung / Inhaltsverzeichnis: The study of earthquakes combines science, technology and expertise in infrastructure and engineering in an effort to minimize human and material losses when their occurrence is inevitable. This book is devoted to various aspects of earthquake research and analysis, from theoretical advances to practical applications. Different sections are dedicated to ground motion studies and seismic site characterization, with regard to mitigation of the risk from earthquake and ensuring the safety of the buildings under earthquake loading. The ultimate goal of the book is to encourage discussions and future research to improve hazard assessments, dissemination of earthquake engineering data and, ultimately, the seismic provisions of building codes.
    Seiten: Online-Ressource (380 Seiten)
    ISBN: 9789533078403
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Unbekannt
    Rijeka : InTech
    Schlagwort(e): remote sensing ; geology ; geophysics
    Beschreibung / Inhaltsverzeichnis: Monitoring of water and land objects enters a revolutionary age with the rise of ubiquitous remote sensing and public access. Earth monitoring satellites permit detailed, descriptive, quantitative, holistic, standardized, global evaluation of the state of the Earth skin in a manner that our actual Earthen civilization has never been able to before. The water monitoring topics covered in this book include the remote sensing of open water bodies, wetlands and small lakes, snow depth and underwater seagrass, along with a variety of remote sensing techniques, platforms, and sensors. The Earth monitoring topics include geomorphology, land cover in arid climate, and disaster assessment after a tsunami. Finally, advanced topics of remote sensing covers atmosphere analysis with GNSS signals, earthquake visual monitoring, and fundamental analyses of laser reflectometry in the atmosphere medium.
    Seiten: Online-Ressource (240 Seiten)
    ISBN: 9789533079196
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Unbekannt
    Rijeka : InTech
    Schlagwort(e): earthquake ; tsunami ; seismic waves ; seismology ; geology ; geophysics
    Beschreibung / Inhaltsverzeichnis: The importance of seismic wave research lies not only in our ability to understand and predict earthquakes and tsunamis, it also reveals information on the Earth's composition and features in much the same way as it led to the discovery of Mohorovicic's discontinuity. As our theoretical understanding of the physics behind seismic waves has grown, physical and numerical modeling have greatly advanced and now augment applied seismology for better prediction and engineering practices. This has led to some novel applications such as using artificially-induced shocks for exploration of the Earth's subsurface and seismic stimulation for increasing the productivity of oil wells. This book demonstrates the latest techniques and advances in seismic wave analysis from theoretical approach, data acquisition and interpretation, to analyses and numerical simulations, as well as research applications. A review process was conducted in cooperation with sincere support by Drs. Hiroshi Takenaka, Yoshio Murai, Jun Matsushima, and Genti Toyokuni.
    Seiten: Online-Ressource (326 Seiten)
    ISBN: 9789533079448
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Unbekannt
    Rijeka : InTech
    Schlagwort(e): petrology ; geology ; geophysics
    Beschreibung / Inhaltsverzeichnis: Petrology, New Perspectives and Applications is designed for advanced graduate courses and professionals in petrology. The book includes eight chapters that are focused on the recent advances and application of modern petrologic and geochemical methods for the understanding of igneous, metamorphic and even sedimentary rocks. Research studies contained in this volume provide an overview of application of modern petrologic techniques to rocks of diverse origins. They reflect a wide variety of settings (from South America to the Far East, and from Africa to Central Asia) as well as ages ranging from late Precambrian to late Cenozoic, with several on Mesozoic/Cenozoic volcanism.
    Seiten: Online-Ressource (224 Seiten)
    ISBN: 9789533078007
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Schlagwort(e): energy engineering
    Beschreibung / Inhaltsverzeichnis: 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.
    Seiten: Online-Ressource (278 Seiten)
    ISBN: 9789533073354
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Schlagwort(e): energy engineering
    Beschreibung / Inhaltsverzeichnis: 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.
    Seiten: Online-Ressource (304 Seiten)
    ISBN: 9789533073293
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Unbekannt
    Rijeka : InTech
    Schlagwort(e): energy engineering ; renewable resources
    Beschreibung / Inhaltsverzeichnis: The second book of the four-volume edition of "Solar cells" is devoted to dye-sensitized solar cells (DSSCs), which are considered to be extremely promising because they are made of low-cost materials with simple inexpensive manufacturing procedures and can be engineered into flexible sheets. DSSCs are emerged as a truly new class of energy conversion devices, which are representatives of the third generation solar technology. Mechanism of conversion of solar energy into electricity in these devices is quite peculiar. The achieved energy conversion efficiency in DSSCs is low, however, it has improved quickly in the last years. It is believed that DSSCs are still at the start of their development stage and will take a worthy place in the large-scale production for the future.
    Seiten: Online-Ressource (492 Seiten)
    ISBN: 9789533077352
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Unbekannt
    Rijeka : InTech
    Schlagwort(e): energy engineering ; renewable resources
    Beschreibung / Inhaltsverzeichnis: The book "Biodiesel: Feedstocks and Processing Technologies" is intended to provide a professional look on the recent achievements and emerging trends in biodiesel production. It includes 22 chapters, organized in two sections. The first book section: "Feedstocks for Biodiesel Production" covers issues associated with the utilization of cost effective non-edible raw materials and wastes, and the development of biomass feedstock with physical and chemical properties that facilitate it processing to biodiesel. These include Brassicaceae spp., cooking oils, animal fat wastes, oleaginous fungi, and algae. The second book section: "Biodiesel Production Methods" is devoted to the advanced techniques for biodiesel synthesis: supercritical transesterification, microwaves, radio frequency and ultrasound techniques, reactive distillation, and optimized transesterification processes making use of solid catalysts and immobilized enzymes. The adequate and up-to-date information provided in this book should be of interest for research scientist, students, and technologists, involved in biodiesel production.
    Seiten: Online-Ressource (458 Seiten)
    ISBN: 9789533077130
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Unbekannt
    Rijeka : InTech
    Schlagwort(e): energy engineering ; renewable resources
    Beschreibung / Inhaltsverzeichnis: The first book of this four-volume edition is dedicated to one of the most promising areas of photovoltaics, which has already reached a large-scale production of the second-generation thin-film solar modules and has resulted in building the powerful solar plants in several countries around the world. Thin-film technologies using direct-gap semiconductors such as CIGS and CdTe offer the lowest manufacturing costs and are becoming more prevalent in the industry allowing to improve manufacturability of the production at significantly larger scales than for wafer or ribbon Si modules. It is only a matter of time before thin films like CIGS and CdTe will replace wafer-based silicon solar cells as the dominant photovoltaic technology. Photoelectric efficiency of thin-film solar modules is still far from the theoretical limit. The scientific and technological problems of increasing this key parameter of the solar cell are discussed in several chapters of this volume.
    Seiten: Online-Ressource (456 Seiten)
    ISBN: 9789533075709
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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