Direct Energy, 2018a

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Appendices 353 κ describes the ability of heat to ow, and it was introduced in Sec. 8.6.3. Both of these ideas were discussed in the context of thermoelectric devices because understandingthese devices requires the understandingof the ow of both electrons and heat. Example values for electrical conductivity and thermal conductivity are given in Table 8.4. While not identical, the terms wave vector and wave function are worth distinguishing. The term wave vector was introduced in Sec. 6.4 with the idea of reciprocal space. Functions such as energy or charge density can be described as varyingwith respect to position specied by the vector −→ r in units of meters. These functions can also be described as varyingwith respect to spatial frequency specied by the wave vector −→ k in units 1 m .Wave function ψ was introduced in Section 11.7, and it is a fundamental idea of quantum mechanics. The wave function is a measure of the probability of ndingan electron or other quantity in a particular state. Appendix D: Specic Energies Table 14.4 lists the specic energy of various materials and devices. These are representative values, not values for specic devices. Batteries by dierent manufacturers, for example, will have a range of specic energy values, and these values are often detailed in a datasheet. See the listed references for additional information on the assumptions made. Two types of values are listed for batteries. Both theoretical specic energy values for the chemical reactions and specic energy values for practical devices. The notation (th) indicates theoretical values while (pr) indicates practical values. NMH is an abbreviation for Nickel Metal Hydride batteries.
354 Appendices Material or Device Specic <strong>Energy</strong> in J g Specic <strong>Energy</strong> in W·h kg Uranium 6.77 · 10 10 1.88 · 10 10 [3] Ref. Hydrogen 1.18 · 10 5 3.28 · 10 4 [195] Gasoline 4.64 · 10 4 1.29 · 10 4 [195] Petroleum (crude) 4.4 · 10 4 1.2 · 10 4 [1] Coal (high quality) 3.4 · 10 4 9.4 · 10 3 [1] Methanol 2.19 · 10 4 6.08 · 10 3 [195] Ammonia 2.00 · 10 4 5.56 · 10 3 [195] Coal (low quality) 1.6 · 10 4 4.5 · 10 3 [1] Sugar 1.57 · 10 4 4.36 · 10 3 [196] Hydrogen oxygen fuel 1.32 · 10 4 3.66 · 10 3 [128] cell (th) Lithium ion battery (th) 1.61 · 10 3 448 [128] Alkaline battery (th) 1.29 · 10 3 358 [128] Lead acid battery (th) 9.1 · 10 2 252 [128] NMH battery (th) 8.6 · 10 2 240 [128] Lithium ion battery (pr) 7.2 · 10 2 200 [128] Alkaline battery (pr) 5.54 · 10 2 154 [128] NMH battery (pr) 3.6 · 10 2 100 [128] Lead acid battery (pr) 1.3 · 10 2 35 [128] Rubber band 7.9 2.2 [195] Table 14.4: Specic energy of various materials and devices. For batteries, (th) indicates theoretical values, and (pr) indicates practical values.
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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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Page 353 and 354: 342 Appendices Symbol Quantity Unit
Page 361 and 362: 350 Appendices Prex name Symbol Val
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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 and 384: 372 INDEX Nernst equation, 220 Neur
Page 385: About the Book Direct Energy Conver
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Direct Energy, 2018a

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