Page 395 - Advanced thermodynamics for engineers

17.2 SIMPLE GAS TURBINE CYCLE ANALYSIS 385

(a)
Exhaust
LP econ
LP evap
HP econ
HP evap
Fuel s/heater
Exhaust
Air
gas HP LP
Gearbox steam steam
C T
Steam
Generator Generator
turbine
Gas turbine
(b)
Temperature

Gas turbine
cycle
Joule
cycle

Steam turbine
Rankine cycle
cycle
Pinch
point

Entropy
FIGURE 17.5
(a) Schematic of combined cycle gas turbine power plant. (b) Joule and Rankine cycles of combined cycle
gas turbine power plant. LP, low pressure; HP, high pressure.