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Author: Alastair Aitken
Publisher:
ISBN: 9789066057043
Category : Farm produce
Languages : en
Pages : 72
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Book Description
Author: Alastair Aitken
Publisher:
ISBN: 9789066057043
Category : Farm produce
Languages : en
Pages : 72
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Book Description
Author: Alireza Khaligh
Publisher: CRC Press
ISBN: 1351834029
Category : Science
Languages : en
Pages : 457
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Book Description
Also called energy scavenging, energy harvesting captures, stores, and uses "clean" energy sources by employing interfaces, storage devices, and other units. Unlike conventional electric power generation systems, renewable energy harvesting does not use fossil fuels and the generation units can be decentralized, thereby significantly reducing transmission and distribution losses. But advanced technical methods must be developed to increase the efficiency of devices in harvesting energy from environmentally friendly, "green" resources and converting them into electrical energy. Recognizing this need, Energy Harvesting: Solar, Wind, and Ocean Energy Conversion Systems describes various energy harvesting technologies, different topologies, and many types of power electronic interfaces for stand-alone utilization or grid connection of energy harvesting applications. Along with providing all the necessary concepts and theoretical background, the authors develop simulation models throughout the text to build a practical understanding of system analysis and modeling. With a focus on solar energy, the first chapter discusses the I−V characteristics of photovoltaic (PV) systems, PV models and equivalent circuits, sun tracking systems, maximum power point tracking systems, shading effects, and power electronic interfaces for grid-connected and stand-alone PV systems. It also presents sizing criteria for applications and modern solar energy applications, including residential, vehicular, naval, and space applications. The next chapter reviews different types of wind turbines and electrical machines as well as various power electronic interfaces. After explaining the energy generation technologies, optimal operation principles, and possible utilization techniques of ocean tidal energy harvesting, the book explores near- and offshore approaches for harvesting the kinetic and potential energy of ocean waves. It also describes the required absorber, turbine, and generator types, along with the power electronic interfaces for grid connection and commercialized ocean wave energy conversion applications. The final chapter deals with closed, open, and hybrid-cycle ocean thermal energy conversion systems.
Author: Brad Lancaster
Publisher:
ISBN: 9780977246434
Category : Arid regions agriculture
Languages : en
Pages : 0
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Book Description
« "Rainwater Harvesting for Drylands and Beyond, Volume 1' is the first book in a three-volume guide that teaches you how to conceptualize, design, and implement sustainable water-harvesting systems for your home, landscape, and community. The lessons in this volume will enable you to assess your on-site resources, give you a diverse array of strategies to maximize their potential, and empower you with guiding principles to create an integrated, multi-functional water-harvesting plan specific to your site and needs. »--
Author: A.G.(ED). SAN PIETRO
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Anthony San Pietro
Publisher:
ISBN:
Category :
Languages : en
Pages : 342
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Book Description
Author: Wendy Pfeffer
Publisher: Penguin
ISBN: 0399538674
Category : Juvenile Nonfiction
Languages : en
Pages : 44
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Book Description
The fall equinox signals the time of year when we gather our harvests and give thanks for their bounty. With accessible, lyrical prose and vibrant illustrations, this nonfiction picture book explains the science behind autumn and the social history of harvest-time celebrations. We Gather Together presents a remarkable range of cultural traditions throughout the ages and the world, many of which have influenced our contemporary Thanksgiving holiday. Simple science activities, ideas for celebrating in school and at home, and a further reading list are included in the back of the book.
Author: Richard Anthony Lewis Jones
Publisher: Oxford University Press
ISBN: 0198528558
Category : Science
Languages : en
Pages : 238
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Book Description
Enthusiasts look forward to a time when tiny machines reassemble matter and process information but is their vision realistic? 'Soft Machines' explains why the nanoworld is so different to the macro-world that we are all familar with and shows how it has more in common with biology than conventional engineering.
Author: Anthony San-Pietro
Publisher:
ISBN:
Category :
Languages : en
Pages : 342
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Book Description
Author: Vaclav Smil
Publisher: MIT Press
ISBN: 026201856X
Category : Science
Languages : en
Pages : 317
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Book Description
An interdisciplinary and quantitative account of human claims on the biosphere's stores of living matter, from prehistoric hunting to modern energy production. The biosphere—the Earth's thin layer of life—dates from nearly four billion years ago, when the first simple organisms appeared. Many species have exerted enormous influence on the biosphere's character and productivity, but none has transformed the Earth in so many ways and on such a scale as Homo sapiens. In Harvesting the Biosphere, Vaclav Smil offers an interdisciplinary and quantitative account of human claims on the biosphere's stores of living matter, from prehistory to the present day. Smil examines all harvests—from prehistoric man's hunting of megafauna to modern crop production—and all uses of harvested biomass, including energy, food, and raw materials. Without harvesting of the biomass, Smil points out, there would be no story of human evolution and advancing civilization; but at the same time, the increasing extent and intensity of present-day biomass harvests are changing the very foundations of civilization's well-being. In his detailed and comprehensive account, Smil presents the best possible quantifications of past and current global losses in order to assess the evolution and extent of biomass harvests. Drawing on the latest work in disciplines ranging from anthropology to environmental science, Smil offers a valuable long-term, planet-wide perspective on human-caused environmental change.
Author: Samson Mil'shtein
Publisher: Springer Nature
ISBN: 3030933806
Category : Catalysis
Languages : en
Pages : 58
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Book Description
This book deals with existing technologies of solar energy conversion as well as novel methods under consideration in academic and commercial R&D sites. The experimental results presented in the work are well crafted by both analytical and first-principle numerical simulations. The book highlights the real potential for economically justified use of solar energy at every household and/or commercial solar farms. The ever-improving methods of thin-film epitaxial growth combined with a better understanding of the sun light absorption and antireflection are highlighted. While there was a period when the material quality was considered to be cornerstone of the conversion efficiency followed by substantial efforts to optimize multiple-cell architecture, it became clear that many old ideas such as variable band gap, multi-junction intrinsic region, as well as solar tracking mechanisms offer new possibilities for improved harvesting of energy. Amplifying the importance of materials selection efficient design of the photo-voltaic elements various aspects of the production cost and the impact on the environment are discussed. In addition, the eligibility of the proposed production technologies in the current photovoltaic market are evaluated and confirmed.
