Areal Power Density
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Areal Power Density
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Author :
language : en
Publisher:
Release Date : 1991
Areal Power Density written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.
The design of the potential Yucca Mountain repository is subject to many thermal goals related to the compliance of the site with federal regulations. This report summarizes a series of sensitivity studies that determined the expected temperatures near the potential repository. These sensitivity studies were used to establish an efficient loading scheme for the spent fuel canisters and a maximum areal power density based strictly on thermal goals. Given the current knowledge of the site, a design-basis areal power density of 80 kW/acre can be justified based on thermal goals only. Further analyses to investigate the impacts of this design-basis APD on mechanical and operational aspects of the potential repository must be undertaken before a final decision is made.
Areal Power Density
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Author : Eugene S. Hertel
language : en
Publisher:
Release Date : 1991
Areal Power Density written by Eugene S. Hertel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Radioactive waste disposal in the ground categories.
The design of the potential Yucca Mountain repository is subject to many thermal goals related to the compliance of the site with federal regulations. This report summarizes a series of sensitivity studies that determined the expected temperatures near the potential repository. These sensitivity studies were used to establish an efficient loading scheme for the spent fuel canisters and a maximum areal power density based strictly on thermal goals. Given the current knowledge of the site, a design-basis areal power density of 80 kW/acre can be justified based on thermal goals only. Further analyses to investigate the impacts of this design-basis APD on mechanical and operational aspects of the potential repository must be undertaken before a final decision is made.
Power Density
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Author : Vaclav Smil
language : en
Publisher: MIT Press
Release Date : 2015-06-05
Power Density written by Vaclav Smil and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-05 with Science categories.
The first systematic, quantitative appraisal of power density, offering detailed reviews of power densities of renewable energy flows, fossil fuels, and all common energy uses. “There's no author whose books I look forward to more than Vaclav Smil.” —Bill Gates In this book, Vaclav Smil argues that power density is a key determinant of the nature and dynamics of energy systems. Any understanding of complex energy systems must rely on quantitative measures of many fundamental variables. Power density—the rate of energy flux per unit of area—is an important but largely overlooked measure. Smil provides the first systematic, quantitative appraisal of power density, offering detailed reviews of the power densities of renewable energy flows, fossil fuels, thermal electricity generation, and all common energy uses. Smil shows that careful quantification, critical appraisals, and revealing comparisons of power densities make possible a deeper understanding of the ways we harness, convert, and use energies. Conscientious assessment of power densities, he argues, proves particularly revealing when contrasting the fossil fuel–based energy system with renewable energy conversions. Smil explains that modern civilization has evolved as a direct expression of the high power densities of fossil fuel extraction. He argues that our inevitable (and desirable) move to new energy arrangements involving conversions of lower-density renewable energy sources will require our society—currently dominated by megacities and concentrated industrial production—to undergo a profound spatial restructuring of its energy system.
Effect Of Areal Power Density And Relative Humidity On Corrosion Resistant Container Performance
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Author :
language : en
Publisher:
Release Date : 1994
Effect Of Areal Power Density And Relative Humidity On Corrosion Resistant Container Performance written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
The impact of the rewetting process on the performance of waste containers at the Yucca Mountain repository is analyzed. This paper explores the impact of the temperature-humidity relationships on pitting corrosion failure of stainless steel containers for different areal power densities (APDs)in the repository. It compares the likely performance of containers in a repository with a low APD, 55 Kw/acre, and a high APD, 110 kW/acre.
Power Density
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Author : Vaclav Smil
language : en
Publisher: MIT Press
Release Date : 2016-09-02
Power Density written by Vaclav Smil and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-02 with Science categories.
The first systematic, quantitative appraisal of power density, offering detailed reviews of power densities of renewable energy flows, fossil fuels, and all common energy uses. “There's no author whose books I look forward to more than Vaclav Smil.” —Bill Gates In this book, Vaclav Smil argues that power density is a key determinant of the nature and dynamics of energy systems. Any understanding of complex energy systems must rely on quantitative measures of many fundamental variables. Power density—the rate of energy flux per unit of area—is an important but largely overlooked measure. Smil provides the first systematic, quantitative appraisal of power density, offering detailed reviews of the power densities of renewable energy flows, fossil fuels, thermal electricity generation, and all common energy uses. Smil shows that careful quantification, critical appraisals, and revealing comparisons of power densities make possible a deeper understanding of the ways we harness, convert, and use energies. Conscientious assessment of power densities, he argues, proves particularly revealing when contrasting the fossil fuel–based energy system with renewable energy conversions. Smil explains that modern civilization has evolved as a direct expression of the high power densities of fossil fuel extraction. He argues that our inevitable (and desirable) move to new energy arrangements involving conversions of lower-density renewable energy sources will require our society—currently dominated by megacities and concentrated industrial production—to undergo a profound spatial restructuring of its energy system.
Climate Change And The Road To Net Zero
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Author : Mathew Hampshire-Waugh
language : en
Publisher:
Release Date : 2021-06-03
Climate Change And The Road To Net Zero written by Mathew Hampshire-Waugh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-03 with categories.
CLIMATE CHANGE and the road to NET-ZERO is a story of how humanity has broken free from the shackles of poverty, suffering, and war and for the first time in human history grown both population and prosperity. It's also a story of how a single species has reconfigured the natural world, repurposed the Earth's resources, and begun to re-engineer the climate. The book uses these conflicting narratives to explore the science, economics, technology, and politics of climate change. NET-ZERO blows away the entrenched idea that solving global warming requires a trade-off between the economy and environment, present and future generations, or rich and poor, and reveals why a twenty-year transition to a zero carbon system is a win-win solution for all on planet Earth. From the Author "I wrote Climate Change and the road to Net-Zero to provide a generalist reader with a clear, comprehensive, and objective take on the issues surrounding climate change and air pollution. The book walks the reader through a history of energy, innovation, and the rise of human civilisation; how scientists have come to understand our past climate and can now forecast future change; the problems economists encounter as they attempt to piece together the potential monetary and social damages from climate inaction; and a technology agnostic assessment of potential climate change solutions (from climate-engineering to mitigation) including their costs, risks, and limitations. The book demonstrates why sustainable technologies such as wind, solar, and batteries get cheaper with scale of production, not time, and why a rapid transition to a fully-fledged net-zero system will end up significantly cheaper than remaining bound to fossil fuels, whilst also avoiding the worst impacts of climate change, and preventing nearly eight million premature deaths each year from air pollution. I hope Climate Change and the road to Net-Zero delivers an understanding of humanity's relationship with Earth that is as intriguing as Simon Lewis and Mark Maslin's The Human Planet, or Yuval Noah Harari's Sapiens. I very much hope too that the book conveys the passion and call to action of David Wallace-Well's The Uninhabitable Earth, coupled with the sober economic analysis of The Climate Casino by William Nordhaus or Capital in the 21st century by Thomas Piketty, and that it provides the technical rigour of Sustainable Energy Without The Hot Air by David MacKay, the rationality of Hans Rosling's Factfulness, and the eternal hope of The Future We Choose by Christiana Figueres and Tom Rivett-Carnac. I believe net-zero will be cheaper, cleaner, safer, more reliable, more sustainable, and will create more employment than if we remain bound to fossil fuels. After reading the book, I hope you will agree." Mathew Hampshire-Waugh, Author.
Power Semiconductor Devices And Circuits
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Author : A.A. Jaecklin
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Power Semiconductor Devices And Circuits written by A.A. Jaecklin and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
This symposium was the sCientific-technical event of the centennial celebration of the Asea Brown Boveri Switzerland. The purpose was to assess the present state of the art as well as shaping the basis for future progress in the area of power devices and related power circuits. The merger of Brown Boveri (BBC) with Asea to Asea Brown Boveri (ABB) three years ago gave new stimulus and enriched the technical substance of the symposium. By 1991, 100 years after the formation of BBC in Switzerland as a single company, this organization has been decentralized, forming 35 independent ABB companies. One of them - ABB Semiconductors Ltd. - directly deals with the power semiconductor business. These significant changes reflect the changes in the market place: increased competition and higher customer expectations have to be fulfilled. In line with the core business activities of ABB and with the concept of sustainable development, it is natural for ABB to be active in the area of power devices and circuits. Increased awareness towards energy conservation is one of the main drives for these activities. User friendliness is another drive: integration of intelligent functions, e.g. protection and/or increased direct computer interfacing of the power circuits. Therefore, also the R&D activities related to the subject of thIs symposium will in the future be characterized by an even stronger coupling with the market needs. For the members of the R&D Laboratories this means improved customer partnership beyond operational excellence.
Microsupercapacitors
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Author : Kazufumi Kobashi
language : en
Publisher: Woodhead Publishing
Release Date : 2021-10-01
Microsupercapacitors written by Kazufumi Kobashi and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-10-01 with Science categories.
Microsupercapacitors systematically guides the reader through the key materials, characterization techniques, performance factors and potential applications and benefits to society of this emerging electrical energy storage solution. The book reviews the technical challenges in scaling down supercapacitors, covering materials, performance, design and applications perspectives. Sections provide a fundamental understanding of microsupercapacitors and compare them to existing energy storage technologies. Final discussions consider the factors that impact performance, potential tactics to improve performance, barriers to implementation, emerging solutions to those barriers, and a future outlook. This book will be of particular interest to materials scientists and engineers working in academia, research and development. Provides a concise introduction of the fundamental science, related technological challenges, and solutions that microsupercapacitors can offer Compares microsupercapacitors with current technologies Reviews the applications of new strategies and the challenge of scaling down supercapacitors Covers the most relevant applications, including energy storage, energy harvesting, sensors and biomedical devices
Micro Nano Engineering Of Fuel Cells
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Author : Dennis Y.C. Leung
language : en
Publisher: CRC Press
Release Date : 2015-04-24
Micro Nano Engineering Of Fuel Cells written by Dennis Y.C. Leung and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-24 with Science categories.
Fuel cells are clean and efficient energy conversion devices expected to be the next generation power source. During more than 17 decades of research and development, various types of fuel cells have been developed with a view to meet the different energy demands and application requirements. Scientists have devoted a great deal of time and effort
Computer Architecture Techniques For Power Efficiency
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Author : Stefanos Kaxiras
language : en
Publisher: Morgan & Claypool Publishers
Release Date : 2008
Computer Architecture Techniques For Power Efficiency written by Stefanos Kaxiras and has been published by Morgan & Claypool Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Computers categories.
In the last few years, power dissipation has become an important design constraint, on par with performance, in the design of new computer systems. Whereas in the past, the primary job of the computer architect was to translate improvements in operating frequency and transistor count into performance, now power efficiency must be taken into account at every step of the design process. While for some time, architects have been successful in delivering 40% to 50% annual improvement in processor performance, costs that were previously brushed aside eventually caught up. The most critical of these costs is the inexorable increase in power dissipation and power density in processors. Power dissipation issues have catalyzed new topic areas in computer architecture, resulting in a substantial body of work on more power-efficient architectures. Power dissipation coupled with diminishing performance gains, was also the main cause for the switch from single-core to multi-core architectures and a slowdown in frequency increase. This book aims to document some of the most important architectural techniques that were invented, proposed, and applied to reduce both dynamic power and static power dissipation in processors and memory hierarchies. A significant number of techniques have been proposed for a wide range of situations and this book synthesizes those techniques by focusing on their common characteristics.