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Author: Vaclav Smil
Publisher: MIT Press
ISBN: 0262326930
Category : Science
Languages : en
Pages : 319
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Book Description
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.
Author: Vaclav Smil
Publisher: MIT Press
ISBN: 0262326930
Category : Science
Languages : en
Pages : 319
Get Book Here
Book Description
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.
Author:
Publisher:
ISBN:
Category : Nuclear engineering
Languages : en
Pages : 506
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 580
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Book Description
Author: Mikell P. Groover
Publisher: John Wiley & Sons
ISBN: 0470467002
Category : Technology & Engineering
Languages : en
Pages : 1027
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Book Description
Engineers rely on Groover because of the book’s quantitative and engineering-oriented approach that provides more equations and numerical problem exercises. The fourth edition introduces more modern topics, including new materials, processes and systems. End of chapter problems are also thoroughly revised to make the material more relevant. Several figures have been enhanced to significantly improve the quality of artwork. All of these changes will help engineers better understand the topic and how to apply it in the field.
Author: Robert Bryce
Publisher: PublicAffairs
ISBN: 1610397509
Category : Business & Economics
Languages : en
Pages : 337
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Book Description
An acclaimed author and celebrated journalist breaks down the history of electricity and the impact of global energy use on the world and the environment. Global demand for power is doubling every two decades, but electricity remains one of the most difficult forms of energy to supply and do so reliably. Today, some three billion people live in places where per-capita electricity use is less than what's used by an average American refrigerator. How we close the colossal gap between the electricity rich and the electricity poor will determine our success in addressing issues like women's rights, inequality, and climate change. In A Question of Power, veteran journalist Robert Bryce tells the human story of electricity, the world's most important form of energy. Through onsite reporting from India, Iceland, Lebanon, Puerto Rico, New York, and Colorado, he shows how our cities, our money--our very lives--depend on reliable flows of electricity. He highlights the factors needed for successful electrification and explains why so many people are still stuck in the dark. With vivid writing and incisive analysis, he powerfully debunks the notion that our energy needs can be met solely with renewables and demonstrates why--if we are serious about addressing climate change--nuclear energy must play a much bigger role. Electricity has fueled a new epoch in the history of civilization. A Question of Power explains how that happened and what it means for our future.
Author: C. H. Baker
Publisher:
ISBN:
Category : Army reactors (PM)
Languages : en
Pages : 288
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Book Description
Author: Shad Roundy
Publisher: Springer Science & Business Media
ISBN: 1461504856
Category : Technology & Engineering
Languages : en
Pages : 219
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Book Description
The vast reduction in size and power consumption of CMOS circuitry has led to a large research effort based around the vision of wireless sensor networks. The proposed networks will be comprised of thousands of small wireless nodes that operate in a multi-hop fashion, replacing long transmission distances with many low power, low cost wireless devices. The result will be the creation of an intelligent environment responding to its inhabitants and ambient conditions. Wireless devices currently being designed and built for use in such environments typically run on batteries. However, as the networks increase in number and the devices decrease in size, the replacement of depleted batteries will not be practical. The cost of replacing batteries in a few devices that make up a small network about once per year is modest. However, the cost of replacing thousands of devices in a single building annually, some of which are in areas difficult to access, is simply not practical. Another approach would be to use a battery that is large enough to last the entire lifetime of the wireless sensor device. However, a battery large enough to last the lifetime of the device would dominate the overall system size and cost, and thus is not very attractive. Alternative methods of powering the devices that will make up the wireless networks are desperately needed.
Author: Mukund R. Patel
Publisher: CRC Press
ISBN: 9780849316050
Category : Technology & Engineering
Languages : en
Pages : 372
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Book Description
Wind and solar energy are pollution-free sources of abundant power. With renewable power generation expected to become more and more profitable with open access to transmission lines and rapid growth around the world, the design, operation, and control of alternative energy resources becomes an essential field of study. Wind and Solar Power Systems provides a comprehensive treatment of this rapidly growing segment of the power industry. It provides the fundamentals of wind and solar power generation, energy conversion and storage, and the operational aspects of power electronics and the quality of power. It covers in detail the design, operation, and control methods applicable to stand-alone as well as grid-connected power systems and discusses the present status of and the on-going research in renewable power around the world. Wind and Solar Power Systems stands as the most modern, complete book available on renewable energy. Electrical, environmental and mechanical engineering professionals along with policy-makers evaluating the renewable energy potential of their regions will find in it the background and the details they need for decision making.
Author: United States. Federal Communications Commission
Publisher:
ISBN:
Category : Telecommunication
Languages : en
Pages : 932
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Book Description
Author: Alireza Shirvani
Publisher: Springer Science & Business Media
ISBN: 9781402075629
Category : Technology & Engineering
Languages : en
Pages : 176
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Book Description
Design and Control of RF Power Amplifiers investigates various architectures and concepts for the design and control of radio-frequency (RF) power amplifiers. This book covers merits and challenges of integrating RF power amplifiers in various technologies, and introduces a number of RF power amplifier performance metrics. It provides a thorough review of various power amplifier topologies, followed by a description of approaches and architectures for the control and linearization of these amplifiers. A novel parallel amplifier architecture introduced in this book offers a breakthrough solution to enhancing efficiency in systems using power control. Design and Control of RF Power Amplifiers is a valuable resource for designers, researchers and students in the field of RF integrated circuit design. Detailed and thorough coverage of various concepts in RF power amplifier design makes this book an invaluable guide for both beginners and professionals.
