Page 195 - Entrophy Analysis in Thermal Engineering Systems

Index

Note: Page numbers followed by f indicate figures and t indicate tables.
A maximum power output, 79
Absolute temperature scale, 22–24, 26–27 thermal efficiency, 82, 82f
Air utilization factor, 142 T-s diagram, 77–78, 77f
Arrhenius equation, 161 Charles’ law, 14–15
Atkinson cycle, 56t,60–61, 93–94 Chemical equilibrium
compression ratio, 95 biomass gasification, 149, 152
definition of, 150–151
efficiency comparison, 64, 64t
net power production, 94 gasification process, 149
Gibbs energy, 149–150
normalized power output, 94–95, 95–96f
reaction advancement, 190–191
p-V diagram, 60, 60f
thermal efficiency, 61, 94 entropy generation, 158–159
total entropy generation, 96 kinetic model, 161–163
methane steam reforming, 159–160
T-s diagram, 86f
stochiometric coefficient, 158
B semiempirical model
Boudouard reactions, 164 air ratio, 165
Boyle’s law, 14 char gasification, 165
Brayton cycle, 33, 56t,58–59 coal gasification tests, 164
adiabatic compression, 58 combustion reactions, 164
compression ratio, 58 equilibrium model, 163, 164t
fractional conversion factor, 164
efficiency comparison, 64, 64t
Gibbs energy minimization model, 167
irreversible, 85–91, 86t
isentropic efficiencies, 86 methanation, 164
net power production, 87 syngas, 165
thermodynamics, chemical reaction
normalized power output, 87–88, 88f
pressure ratio, 58 endothermic reaction, 156
exothermic reaction, 155–156
p-V diagram, 58, 58f
Gibbs function, 156–158
thermal efficiency, 58, 89, 89f
methanation, 164
C water-gas shift reaction, 164
transport-kinetic models, 149, 151–152
Carnot’s theory, 17–20
Chemical exergy, 172–176
Carnot corollaries, 29–31, 33
Clapeyron, 20
Carnot cycle, 5
Clausius inequality, 29, 35
history of, 56t
Clausius integral, 38–41
p-V diagram, 36, 36f, 39, 39f
Clausius work, 25–26
T-s diagram, 42, 43f
Coal gasification, 164
Carnot efficiency, 29–30, 33–38, 140,
Cold thermal reservoir, 68–69
177–179
Combined Carnot engine, 140
Carnot vapor cycle, 77–82, 128
thermal efficiency, 140–141
entropy generation, 79, 79f
193