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Author: Kamran Behnia
Publisher:
ISBN: 0199697663
Category : Thermoelectricity
Languages : en
Pages : 251
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Book Description
What kind of information on the electrons' organisation in solids is yielded by measuring their thermoelectric response? Fundamentals of Thermoelectricity gives an account of our current understanding of thermoelectric phenomena in solids by presenting basic theoretical concepts and numerous experimental results. Many readers will be surprised to learn that even in the case of simple metals (considered to be domesticated long ago by the quantum theory of solids) our understanding lags far behind known experimental facts. The two theories of phonon drag, the positive Seebeck coefficient of noble metals, and the three-orders-of-magnitude gap between theory and experiment regarding the thermoelectric response of Bogoliubov quasi-particles of a superconductor are among the forgotten puzzles discussed in this book. Among other novelties, it contains an original discussion of the role of the de Broglie thermal wave-length in setting the magnitude of the thermoelectric response in Fermi liquids.
Author: Kamran Behnia
Publisher:
ISBN: 0199697663
Category : Thermoelectricity
Languages : en
Pages : 251
Get Book Here
Book Description
What kind of information on the electrons' organisation in solids is yielded by measuring their thermoelectric response? Fundamentals of Thermoelectricity gives an account of our current understanding of thermoelectric phenomena in solids by presenting basic theoretical concepts and numerous experimental results. Many readers will be surprised to learn that even in the case of simple metals (considered to be domesticated long ago by the quantum theory of solids) our understanding lags far behind known experimental facts. The two theories of phonon drag, the positive Seebeck coefficient of noble metals, and the three-orders-of-magnitude gap between theory and experiment regarding the thermoelectric response of Bogoliubov quasi-particles of a superconductor are among the forgotten puzzles discussed in this book. Among other novelties, it contains an original discussion of the role of the de Broglie thermal wave-length in setting the magnitude of the thermoelectric response in Fermi liquids.
Author: David Friedrich Woerner
Publisher: John Wiley & Sons
ISBN: 1119811368
Category : Science
Languages : en
Pages : 340
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Book Description
The Technology of Discovery Incisive discussions of a critical mission-enabling technology for deep space missions In The Technology of Discovery: Radioisotope Thermoelectric Generators and Thermoelectric Technologies for Space Exploration, distinguished JPL engineer and manager David Woerner delivers an insightful discussion of how radioisotope thermoelectric generators (RTGs) are used in the exploration of space. It also explores their history, function, their market potential, and the governmental forces that drive their production and design. Finally, it presents key technologies incorporated in RTGs and their potential for future missions and design innovation. The author provides a clear and understandable treatment of the subject, ranging from straightforward overviews of the technology to complex discussions of the field of thermoelectrics. Included is also background on NASA’s decision to resurrect the GPHS-RTG and discussion of the future of commercialization of nuclear space missions. Readers will also find: A thorough introduction to RTGs, as well as their invention, history, and evolution Comprehensive explorations of the contributions made by RTGs to US space exploration Practical discussions of the evolution, selection, and production of RPS fuels In-depth examinations of technologies and generators currently in development, including skutterudite thermoelectrics for an enhanced MMRTG Perfect for space explorers, aerospace engineers, managers, and scientists, The Technology of Discovery will also earn a place in the libraries of NASA archivists and other historians.
Author: Eric Ries
Publisher: Crown Currency
ISBN: 0307887898
Category : Business & Economics
Languages : en
Pages : 337
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Book Description
Most startups fail. But many of those failures are preventable. The Lean Startup is a new approach being adopted across the globe, changing the way companies are built and new products are launched. Eric Ries defines a startup as an organization dedicated to creating something new under conditions of extreme uncertainty. This is just as true for one person in a garage or a group of seasoned professionals in a Fortune 500 boardroom. What they have in common is a mission to penetrate that fog of uncertainty to discover a successful path to a sustainable business. The Lean Startup approach fosters companies that are both more capital efficient and that leverage human creativity more effectively. Inspired by lessons from lean manufacturing, it relies on “validated learning,” rapid scientific experimentation, as well as a number of counter-intuitive practices that shorten product development cycles, measure actual progress without resorting to vanity metrics, and learn what customers really want. It enables a company to shift directions with agility, altering plans inch by inch, minute by minute. Rather than wasting time creating elaborate business plans, The Lean Startup offers entrepreneurs—in companies of all sizes—a way to test their vision continuously, to adapt and adjust before it’s too late. Ries provides a scientific approach to creating and managing successful startups in a age when companies need to innovate more than ever.
Author: Stephane Hallegatte
Publisher: World Bank Publications
ISBN: 1464814317
Category : Business & Economics
Languages : en
Pages : 316
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Book Description
Infrastructure—electricity, telecommunications, roads, water, and sanitation—are central to people’s lives. Without it, they cannot make a living, stay healthy, and maintain a good quality of life. Access to basic infrastructure is also a key driver of economic development. This report lays out a framework for understanding infrastructure resilience - the ability of infrastructure systems to function and meet users’ needs during and after a natural hazard. It focuses on four infrastructure systems that are essential to economic activity and people’s well-being: power systems, including the generation, transmission, and distribution of electricity; water and sanitation—especially water utilities; transport systems—multiple modes such as road, rail, waterway, and airports, and multiple scales, including urban transit and rural access; and telecommunications, including telephone and Internet connections.
Author: N. M. Ravindra
Publisher: Springer
ISBN: 3319963414
Category : Technology & Engineering
Languages : en
Pages : 131
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Book Description
This book provides a concise but comprehensive introduction to the fundamentals and current state of the art in thermoelectrics. Addressing an audience of materials scientists and engineers, the book covers theory, materials selection, and applications, with a wide variety of case studies reflecting the most up-to-date research approaches from the past decade, from single crystal to polycrystalline form and from bulk to thin films to nano dimensions. The world is facing major challenges for finding alternate energy sources that can satisfy the increasing demand for energy consumption while preserving the environment. The field of thermoelectrics has long been recognized as a potential and ideal source of clean energy. However, the relatively low conversion efficiency of thermoelectric devices has prevented their utility on a large scale. While addressing the need for thermal management in materials, device components, and systems, thermoelectrics provides a fundamental solution to waste heat recovery and temperature control. This book summarizes the global efforts that have been made to enhance the figure of merit of various thermoelectric materials by choosing appropriate processes and their influence on properties and performance. Because of these advances, today, thermoelectric devices are found in mainstream applications such as automobiles and power generators, as opposed to just a few years ago when they could only be used in niche applications such as in aeronautics, infrared imaging, and space. However, the continued gap between fundamental theoretical results and actual experimental data of figure of merit and performance continues to challenge the commercial applications of thermoelectrics. This book presents both recent achievements and continuing challenges, and represents essential reading for researchers working in this area in universities, industry, and national labs.
Author: Dominique Placko
Publisher: John Wiley & Sons
ISBN: 1118613643
Category : Technology & Engineering
Languages : en
Pages : 369
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Book Description
This title presents the general principles of instrumentation processes. It explains the theoretical analysis of physical phenomena used by standard sensors and transducers to transform a physical value into an electrical signal. The pre-processing of these signals through electronic circuits – amplification, signal filtering and analog-to-digital conversion – is then detailed, in order to provide useful basic information. Attention is then given to general complex systems. Topics covered include instrumentation and measurement chains, sensor modeling, digital signal processing and diagnostic methods and the concept of smart sensors, as well as microsystem design and applications. Numerous industrial examples punctuate the discussion, setting the subjects covered in the book in their practical context.
Author: Caterina AM La Porta
Publisher: Springer Nature
ISBN: 3030457842
Category : Science
Languages : en
Pages : 199
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Book Description
This book explores the role of exaptation in diverse areas of life, with examples ranging from biology to economics, social sciences and architecture. The concept of exaptation, introduced in evolutionary biology by Gould and Vrba in 1982, describes the possibility that already existing traits can be exploited for new purposes throughout the evolutionary process. Edited by three active scholars in the fields of biology, physics and economics, the book presents an interdisciplinary collection of expert viewpoints illustrating the importance of exaptation for interpreting current reality in various fields of investigation. Using the lenses of exaptation, the contributing authors show how to view the overall macroscopic landscape as comprising many disciplines, all working in unity within a single complex system. This book is the first to discuss exaptation in both hard and soft disciplines and highlights the role of this concept in understanding the birth of innovation by identifying key elements and ideas. It also offers a comprehensive guide to the emerging interdisciplinary field of exaptation, provides didactic explanations of the basic concepts, and avoids excessive jargon and heavy formalism. Its target audience includes graduate students in physics, biology, mathematics, economics, psychology and architecture; it will also appeal to established researchers in the humanities who wish to explore or enter this new science-driven interdisciplinary field.
Author: Nicola Labanca
Publisher: Springer
ISBN: 331933753X
Category : Business & Economics
Languages : en
Pages : 355
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Book Description
This book offers an interdisciplinary discussion of the fundamental issues concerning policies for sustainable transition to renewable energies from the perspectives of sociologists, physicists, engineers, economists, anthropologists, biologists, ecologists and policy analysts. Adopting a combined approach, these are analysed taking both complex systems and social practice theories into consideration to provide deeper insights into the evolution of energy systems. The book then draws a series of important conclusions and makes recommendations for the research community and policy makers involved in the design and implementation of policies for sustainable energy transitions.
Author: Daniel Lerch
Publisher: Island Press
ISBN: 1610918606
Category : Architecture
Languages : en
Pages : 354
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Book Description
National and global efforts have failed to stop climate change, transition from fossil fuels, and reduce inequality. We must now confront these and other increasingly complex problems by building resilience at the community level. The Community Resilience Reader combines a fresh look at the challenges humanity faces in the 21st century, the essential tools of resilience science, and the wisdom of activists, scholars, and analysts working on the ground to present a new vision for creating resilience. It shows that resilience is a process, not a goal; how it requires learning to adapt but also preparing to transform; and that it starts and ends with the people living in a community. From Post Carbon Institute, the producers of the award-winning The Post Carbon Reader, The Community Resilience Reader is a valuable resource for community leaders, college students, and concerned citizens.
Author: Gregory V. Button
Publisher: Berghahn Books
ISBN: 1785332813
Category : Social Science
Languages : en
Pages : 214
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Book Description
Contextualizing Disaster offers a comparative analysis of six recent "highly visible" disasters and several slow-burning, "hidden," crises that include typhoons, tsunamis, earthquakes, chemical spills, and the unfolding consequences of rising seas and climate change. The book argues that, while disasters are increasingly represented by the media as unique, exceptional, newsworthy events, it is a mistake to think of disasters as isolated or discrete occurrences. Rather, building on insights developed by political ecologists, this book makes a compelling argument for understanding disasters as transnational and global phenomena.
