Direct Energy, 2018a

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INDEX 373 Thomas Fermi analysis, 292 Thomas Fermi equation, 307, 323 Thomson coecient, 183 Torsion spring, 264 Townsend discharge, 150 Transmission line, 74 Valence, 14 Valence band, 113 Volume expansivity, 177 Wave equation, 255, 260, 316 Wave function, 68, 262, 296, 353 Wave number, 102 Wave vector, 121, 299, 353 Work function, 205 Young's elastic modulus, 32
About the Book Direct Energy Conversion discusses both the physics behind energy conversion processes and a wide variety of energy conversion devices. A direct energy conversion process converts one form of energy to another through a single process. The rst half of this book surveys multiple devices that convert to or from electricity including piezoelectric devices,antennas,solar cells,light emitting diodes,lasers,thermoelectric devices,and batteries. In these chapters,physical eects are discussed,terminology used by engineers in the discipline is introduced,and insights into material selection is studied. The second part of this book puts concepts of energy conversion in a more abstract framework. These chapters introduce the idea of calculus of variations and illuminate relationships between energy conversion processes. This peer-reviewed book is used for a junior level electrical engineering class at Trine University. However,it is intended not just for electrical engineers. Direct energy conversion is a fascinating topic because it does not t neatly into a single discipline. This book also should be of interest to physicists,chemists,mechanical engineers,and other researchers interested in an introduction to the energy conversion devices studied by scientists and engineers in other disciplines. About the Author Andrea M. Mitofsky received her B.S.,M.S.,and Ph.D. degrees in Electrical Engineering from the University of Illinois at Urbana-Champaign. In 2008, she graduated with her Ph.D. degree and began teaching at Trine University in Angola,Indiana. She is currently an Associate Professor in the Electrical and Computer Engineering department at Trine University. She can be contacted at mitofskya@gmail.com.
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Direct Energy Conversion by Andrea
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CONTENTS i Contents Contents i 1 In
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CONTENTS iii 6.3.2 Energy Levels in
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CONTENTS v 9.6 Fuel Cells . . . . .
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Acknowledgements I would like to th
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2 1.2 Preview of Topics to connect
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4 1.2 Preview of Topics Math throug
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6 1.2 Preview of Topics Process Spo
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8 1.2 Preview of Topics drodynamic
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10 1.4 Measures of Power and Energy
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12 1.5 Properties of Materials 1.5
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14 1.5 Properties of Materials most
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16 1.6 Electromagnetic Waves −→
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18 1.6 Electromagnetic Waves Relate
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20 1.6 Electromagnetic Waves A unif
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22 1.7 Problems
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24 2.2 Capacitors 2.2 Capacitors 2.
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26 2.2 Capacitors 2.2.3 Permittivit
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28 2.2 Capacitors â z â y â x No
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30 2.2 Capacitors Figure 2.3: Natur
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32 2.3 Piezoelectric Devices Piezoe
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34 2.3 Piezoelectric Devices Lattic
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36 2.3 Piezoelectric Devices Herman
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38 2.3 Piezoelectric Devices Figure
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40 2.3 Piezoelectric Devices c a β
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42 2.3 Piezoelectric Devices In cer
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44 2.3 Piezoelectric Devices made m
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46 2.3 Piezoelectric Devices tions.
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48 2.4 Problems 2.5. A piezoelectri
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50 2.4 Problems 2.13. Consider a pi
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52 2.4 Problems 2.16. The gure belo
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54 3.2 Pyroelectricity Material Che
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56 3.3 Electro-Optics KH 2 PO 4 [25
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58 3.3 Electro-Optics The rst two t
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60 3.3 Electro-Optics used as an el
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62 3.4 Notation Quagmire Notation i
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64 3.5 Problems 3.5 Problems 3.1. F
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66 3.5 Problems −→ DinC/m 2 unp
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68 4.1 Introduction Center-fed half
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70 4.2 Electromagnetic Radiation In
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72 4.2 Electromagnetic Radiation ar
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74 4.3 Antenna Components and Denit
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76 4.4 Antenna Characteristics ante
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78 4.4 Antenna Characteristics Impe
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80 4.4 Antenna Characteristics Azim
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82 4.4 Antenna Characteristics 4.4.
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84 4.4 Antenna Characteristics 5 Li
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86 4.5 Problems Figure 4.6: A snow
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88 4.5 Problems 4.5. Match the foll
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90 4.5 Problems 4.8. Radiation patt
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92 5.2 Physics of the Hall Eect The
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94 5.2 Physics of the Hall Eect The
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96 5.3 Magnetohydrodynamics This am
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98 5.5 Applications of Hall Eect De
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100 5.6 Problems 5.6 Problems 5.1.
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102 6.2 The Wave and Particle Natur
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104 6.3 Semiconductors and Energy L
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120 6.4 Crystallography Revisited L
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122 6.5 Pn Junctions E Indirect Sem
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124 6.5 Pn Junctions an excess of n
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126 6.5 Pn Junctions V x - + Energy
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128 6.6 Solar Cells to day and loca
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130 6.6 Solar Cells dot based mater
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132 6.7 Photodetectors Solar Panel
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134 6.7 Photodetectors 6.7.2 Measur
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6 PHOTOVOLTAICS 137 6.3. The gure i
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7 LAMPS, LEDS, AND LASERS 139 7 Lam
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7 LAMPS, LEDS, AND LASERS 141 Photo
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7 LAMPS, LEDS, AND LASERS 143 Absor
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7 LAMPS, LEDS, AND LASERS 145 We ca
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7 LAMPS, LEDS, AND LASERS 147 If we
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7 LAMPS, LEDS, AND LASERS 149 tube
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7 LAMPS, LEDS, AND LASERS 151 easil
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7 LAMPS, LEDS, AND LASERS 153 Power
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7 LAMPS, LEDS, AND LASERS 155 Two L
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7 LAMPS, LEDS, AND LASERS 157 but n
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7 LAMPS, LEDS, AND LASERS 159 of ec
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7 LAMPS, LEDS, AND LASERS 161 the o
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7 LAMPS, LEDS, AND LASERS 163 Ti:Sa
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7 LAMPS, LEDS, AND LASERS 165 the b
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7 LAMPS, LEDS, AND LASERS 167 Gas D
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7 LAMPS, LEDS, AND LASERS 169 categ
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7 LAMPS, LEDS, AND LASERS 171 7.8.
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8 THERMOELECTRICS 173 8 Thermoelect
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8 THERMOELECTRICS 175 Symbol Name V
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8 THERMOELECTRICS 177 per unit volu
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8 THERMOELECTRICS 179 kPa, and the
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8 THERMOELECTRICS 181 Seebeck Effec
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8 THERMOELECTRICS 183 gradient acro
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8 THERMOELECTRICS 185 thermocouples
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8 THERMOELECTRICS 187 The gure of m
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8 THERMOELECTRICS 189 or mass invol
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8 THERMOELECTRICS 191 temperatures?
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8 THERMOELECTRICS 193 Figure 8.4: L
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8 THERMOELECTRICS 195 8.9 Problems
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8 THERMOELECTRICS 197 8.8. A thermo
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8 THERMOELECTRICS 199 Figure 8.5 8.
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202 9.2 Measures of the Ability of
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212 9.3 Charge Flow in Batteries an
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214 9.3 Charge Flow in Batteries an
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216 9.4 Measures of Batteries and F
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224 9.5 Battery Types specic energi
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226 9.5 Battery Types at the anode
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228 9.5 Battery Types Figure 9.8: T
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230 9.6 Fuel Cells Fuel cell compon
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232 9.6 Fuel Cells 9.6.3 Practical
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234 9.7 Problems 9.7 Problems 9.1.
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236 9.7 Problems A E - + I B D H 2
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238 10.3 Radiation Detectors high e
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240 10.5 Resistive Sensors capacito
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242 10.6 Electrouidics However, ene
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244 10.6 Electrouidics
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246 11.2 Lagrangian and Hamiltonian
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248 11.3 Principle of Least Action
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250 11.4 Derivation of the Euler-La
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252 11.5 Mass Spring Example not in
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254 11.5 Mass Spring Example Path 1
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256 11.5 Mass Spring Example We can
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258 11.6 Capacitor Inductor Example
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260 11.6 Capacitor Inductor Example
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262 11.7 Schrödinger's Equation 11
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264 11.8 Problems 11.4. Figure 11.2
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266 11.8 Problems a famous result k
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268 11.8 Problems (c) Find the gene
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270 12.2 Electrical Energy Conversi
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276 12.3 Mechanical Energy Conversi
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282 12.4 Thermodynamic Energy Conve
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284 12.4 Thermodynamic Energy Conve
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286 12.5 Chemical Energy Conversion
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288 12.6 Problems 12.6 Problems 12.
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290 12.6 Problems 12.6. Match the d
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292 13.1 Introduction • Describe
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294 13.2 Preliminary Ideas Assuming
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296 13.3 Derivation of the Lagrangi
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306 13.4 Deriving the Thomas Fermi
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308 13.5 From Thomas Fermi Theory t
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310 13.6 Problems (a) Write the Ham
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312 14.1 Introduction damental equa
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314 14.2 Types of Symmetries be wri
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316 14.3 Continuous Symmetries and
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Page 333 and 334: 322 14.4 Derivation of the Innitesi
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Page 347 and 348: 336 14.6 Summary 14.6 Summary In th
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Page 353 and 354: 342 Appendices Symbol Quantity Unit
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Page 363 and 364: 352 Appendices for voltage. (As an
Page 365 and 366: 354 Appendices Material or Device S
Page 367 and 368: 356 REFERENCES [15] E. C. Jordan an
Page 369 and 370: 358 REFERENCES [45] V. K. Tikhomiro
Page 371 and 372: 360 REFERENCES [73] M. G. Thomas, H
Page 373 and 374: 362 REFERENCES [100] A. Ishibashi,
Page 375 and 376: 364 REFERENCES [125] D. Wright, Req
Page 377 and 378: 366 REFERENCES [150] J. P. Owejan,
Page 379 and 380: 368 REFERENCES [175] G. K. Woodgate
Page 381 and 382: Index Absorption, 139 Action, 247 A
Page 383: 372 INDEX Nernst equation, 220 Neur
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