Page 240 - Advanced Gas Turbine Cycles

202 Subject Index
Temperature-entropy diagrams Total pressure loss, 63-65
air standard cycles, 28, 33 Turbine
combined cycle efficiency, 117 cooling, 47-69, 184, 186- 187
evaporative gas turbines, 91, 92 entry temperature, 47, 50, 56, 58, 119
fired combined cycles, 1 16 exit condition, 54-55
ideal (Carnot) power plants, 7 mass flow, 42
intercooling, 32-33 pressure, 157- I58
Joule-Brayton cycles, I, 3, 28 work, 88, 94, 96
multi-step cooling, 52 Turbo jet engines, xiii
single-step cooling, 49-50, 55 Two pressure systems, 121, 123, 129
thermal efficiency, 6- 1 I Two-step cooling, 5 I -52, 58
two-step cooling, 5 1, 58
water injection evaporative gas turbines,
94 - 96 Ultimate reversible gas turbine cycle, 33
Temperature - entropy diagrams, xi v Uncooled and cooled efficiencies, 57
Texaco gasifier, 114 Unfired plant, 1 12- 1 14, 167, 170,
Thermal barrier coating (TBC), 185 174-177
Thermal efficiency Unit costs, 189
air standard cycles, 30-31, 35-37 Unit price of electricity, 189, 19 1 - 192
artificial, 168 Unitised production costs, I89
closed circuit power plants, 3-6 Unmatched gas turbines, 173- 174, 175
combined heat and power plants, 1 10- 1 I I, Unused heat, 1 IO, 176- 177
I68 Upper gas turbine cycles, 126-128
cooling flow rates, 47-68 Useful heavwork, 177, 178
evaporative gas turbines, 85
fired combined cycles, 117- 126 Value-weighted energy utilisation factor, 169
ideal (Camot) power plants, 7 Van Liere cycle, 92, 101-102, 107
ideal combined cyclic plants, 109- I IO Van’t Hoff box, 142, 143
internal, 50
irreversible Joule-Brayton cycle, 20
modifying turbine cycles, 9- 1 1 Waste heat boilers (WHB), 167-177, 180
open circuit power plants, 6 Waste heat recuperators (WHR), 167-77,
recuperative evaporative gas turbines, 180- 181
92-93 Water
steam injection turbine plants, 89 entry temperature, 1 14, 1 19, 122
three step cooling, 79, 81 gas shift reactions, 142-144
turbine cooling, 47-68 injection, 85-107
Thermal energy, 18, 24 evaporative gas turbines, 94-98
Thermal or cycle efficiency, 5, 7 Water injection into aftercooler, 95
Thermal ratio, 33 Water injection into aftercooller and cold side of
Thermo-chemical recuperation (TCR), 133, 134, heat exchanger, 95
142-144, 148-153 Water injection into cold side of heat exchanger,
Thermodynamics 95
open cooling, 59-65 Westinghouse, 83 - 84
power generation, 1 - 1 1 WestinghouseRolls-Royce WR2 I recuperated
wet gas turbine plants, 103- 105 [CICBTX], plant, 83
Three step cooling, 78-79, 80-81 Wet and dry cycles compared, 104, 105
Throttling, 52, 58 Wet efficiencies, 94
TOPHAT cvcle. 101-102. 104. 107 Wet gas turbine plants, 85- 107