Page 130 - Advanced Gas Turbine Cycles

102 Advanced gas turbine cycles

HRSG
AIR EXHAUST

SATURATOR

Fig. 6.15. Cascaded humid air turbine (CHAT) plant.

move the compression towards isothermal rather than adiabatic, with the consequence of
reduced work input. Now the claim is for an efficiency higher than that of the HAT cycle,
and this may be expected from the analysis of the dry ‘van Liere’ cycle given in
Section 6.3.1.

FUEL I
AIR

II

C
I

HEAT
EXCHANGER

-=F@+ WATER

CONDENSER *

Fig. 6.16. TOPHAT (van Liere) plant with water injection into compressor.