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Autor: Gregory W. Swift
ISBN-13: 9783319669328
Einband: Book
Seiten: 326
Gewicht: 679 g
Format: 244x161x27 mm
Sprache: Englisch

Thermoacoustics

A Unifying Perspective for Some Engines and Refrigerators, Originaltitel:Thermoacoustics
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Greg Swift received his PhD in physics at the University of California at Berkeley in 1980, and has worked in the Condensed Matter and Thermal Physics Group at Los Alamos National Laboratory (LANL) ever since. He is a Fellow of the Acoustical Society of America, of the American Physical Society, and of LANL. He received the Acoustical Society's Silver Medal in Physical Acoustics in 2000, an award that has been given, on average, only every three years. He received the US Department of Energy's E.O. Lawrence Award in 2004, in the category of Environmental Science and Technology. The main focus of Greg's research has been the invention and development of novel energy-conversion technologies. He enjoys the thermodynamics of heat engines and refrigerators, the thermodynamics of non-ideal-gas fluids, physical acoustics, hydrodynamics, and low-temperature physics. He hopes that thermoacoustic engines and refrigerators will play a meaningful role in the energy economy of the 21st century.
This updated new edition provides an introduction to the field of thermoacoustics. All of the key aspects of the topic are introduced, with the goal of helping the reader to acquire both an intuitive understanding and the ability to design hardware, build it, and assess its performance. Weaving together intuition, mathematics, and experimental results, this text equips readers with the tools to bridge the fields of thermodynamics and acoustics. At the same time, it remains firmly grounded in experimental results, basing its discussions on the distillation of a body of experiments spanning several decades and countries.
The book begins with detailed treatment of the fundamental physical laws that underlie thermoacoustics. It then goes on to discuss key concepts, including simple oscillations, waves, power, and efficiency. The remaining portions of the book delve into more advanced topics and address practical concerns in applications chapters on hardware and

measurements. With its careful progression and end-of-chapter exercises, this book will appeal to graduate students in physics and engineering as well as researchers and practitioners in either acoustics or thermodynamics looking to explore the possibilities of thermoacoustics. This revised and expanded second edition has been updated with an eye to modern technology, including computer animations and DeltaEC examples.

Written by the undisputed leader in thermoacoustics

Represents a gateway into the field of thermoacoustics for engineers and acousticians alike

Bridges the fields of acoustics and thermodynamics, opening up new technological possibilities

Contains access to computer animations and DeltaEC examples
Written by the undisputed leader in thermoacoustics
Preface v List of symbols viii 1 Introduction 1 1.1 Themes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Length scales . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.3 Overview and examples . . . . . . . . . . . . . . . . . . . . . 8 1.3.1 Standing-wave heat engine . . . . . . . . . . . . . . . 9 1.3.2 Standing-wave refrigerator . . . . . . . . . . . . . . . . 14 1.3.3 Orifice pulse-tube refrigerator . . . . . . . . . . . . . . 17 1.3.4 Thermoacoustic-Stirling heat engine . . . . . . . . . . 22 1.4 Thermoacoustics and conventional technology . . . . . . . . . 25 1.5 Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 1.6 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 2 Background 30 2.1 Laws of thermodynamics . . . . . . . . . . . . . . . . . . . . . 30 2.1.1 The first la w . . . . . . . . . . . . . . . . . . . . . . . 30 2.1.2 The second law . . . . . . . . . . . . . . . . . . . . . . 34 2.2 Laws of fluids . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 2.2.1 Continuity (mass) . . . . . . . . . . . . . . . . . . . . 39 2.2.2 Momentum . . . . . . . . . . . . . . . . . . . . . . . . 40 2.2.3 Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 2.2.4 Entropy . . . . . . . . . . . . . . . . . . . . . . . . . . 43 2.3 Ideal gases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 2.3.1 Thermodynamic properties . . . . . . . . . . . . . . . 44 2.3.2 Transport properties . . . . . . . . . . . . . . . . . . . 47 2.3.3 Shortcuts . . . . . . . . . . . . . . . . . . . . . . . . . 47 2.3.4 Mixtures . . . . . . . . . . . . . . . . . . . . . . . . . 48 2.4 Some consequences of the laws . . . . . . . . . . . . . . . . . 48 2.4.1 Carnot's eficiency . . . . . . . . . . . . . . . . . . . . 48 2.4.2 Maxwell relations . . . . . . . . . . . . . . . . . . . . . 49 2.5 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 3 Simple oscillations 55 3.1 The harmonic oscillator and complex notation . . . . . . . . . 55 3.2 Acoustic approximations to the laws of gases . . . . . . . . . 59 3.3 Some simple oscillations in gases . . . . . . . . . . . . . . . . 64 3.3.1 The gas spring . . . . . . . . . . . . . . . . . . . . . . 64 3.3.2 Simple sound waves . . . . . . . . . . . . . . . . . . . 66 3.4 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 4 Waves 72 4.1 Lossless acoustics and ideal resonators . . . . . . . . . . . . . 72 4.2 Viscous and thermal effects in large channels . . . . . . . . . 79 4.2.1 Viscous resistance . . . . . . . . . . . . . . . . . . . . 80 4.2.2 Thermal-relaxation conductance . . . . . . . . . . . . 85 4.3 Inviscid boundary-layer thermoacoustics . . . . . . . . . . . . 89 4.4 General thermoacoustics . . . . . . . . . . . . . . . . . . . . . 92 4.4.1 The math . . . . . . . . . . . . . . . . . . . . . . . . . 92 4.4.2 The ideas . . . . . . . . . . . . . . . . . . . . . . . . . 97 4.5 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 5 Power 112 5.1 Acoustic power . . . . . . . . . . . . . . . . . . . . . . . . . . 113 5.1.1 Acoustic power dissipation with dTm/dx = 0 . . . . . 116 5.1.2 Acoustic power with zero viscosity . . . . . . . . . . . 119 5.2 Total power . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 5.2.1 Traveling waves . . . . . . . . . . . . . . . . . . . . . . 131 5.2.2 Standing waves . . . . . . . . . . . . . . . . . . . . . . 132 5.3 Some calculation methods . . . . . . . . . . . . . . . . . . . . 133 5.4 Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139 5.5 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 6 Efficiency . . . 144 6.1 Lost work and entropy generation . . . . . . . . . . . . . . . . 145 6.2 Exergy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 6.3 Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 6.4 Exercises . . . . . . . . . . . . . . . . . . .
Autor: Gregory W. Swift
Greg Swift received his PhD in physics at the University of California at Berkeley in 1980, and has worked in the Condensed Matter and Thermal Physics Group at Los Alamos National Laboratory (LANL) ever since. He is a Fellow of the Acoustical Society of America, of the American Physical Society, and of LANL. He received the Acoustical Society's Silver Medal in Physical Acoustics in 2000, an award that has been given, on average, only every three years. He received the US Department of Energy's E.O. Lawrence Award in 2004, in the category of Environmental Science and Technology. The main focus of Greg's research has been the invention and development of novel energy-conversion technologies. He enjoys the thermodynamics of heat engines and refrigerators, the thermodynamics of non-ideal-gas fluids, physical acoustics, hydrodynamics, and low-temperature physics. He hopes that thermoacoustic engines and refrigerators will play a meaningful role in the energy economy of the 21st century.

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Autor: Gregory W. Swift
ISBN-13 :: 9783319669328
ISBN: 331966932X
Erscheinungsjahr: 11.10.2017
Verlag: Springer-Verlag GmbH
Gewicht: 679g
Seiten: 326
Sprache: Englisch
Auflage 17002, 2nd ed. 2017
Sonstiges: Buch, 244x161x27 mm, 98 schwarz-weiße und 25 farbige Abbildungen, 25 farbige Tabellen, Bibliographie