Page 457 - Advanced thermodynamics for engineers

448 CHAPTER 19 PINCH TECHNOLOGY

Combustion chamber
Boiler

Electric generator Electric generator
C T

Turbine
Gas turbine plant
Feedpump

Condenser
Steam turbine plant

FIGURE 19.1
Schematic diagram of combined cycle gas turbine (CCGT) power plant.

Temperature, T

Joule cycle

Heat transfer

Pinch point

Rankine cycle

Entropy, S
FIGURE 19.2
Temperature – entropy (T–s) diagram for a (combined cycle gas turbine) CCGT.