In: Mechanical Engineering
Steam at 4800 lbf/ in.2, 1000°F enters the first
stage of a supercritical reheat cycle including two turbine stages.
The steam exiting the first-stage turbine at 600 lbf
/in.2 is reheated at constant pressure to 1000°F. Each
turbine stage and the pump has an isentropic efficiency of 91%. The
condenser pressure is 1 lbf/ in.2 If the net power
output of the cycle is 100 MW, determine
(a) the rate of heat transfer to the working fluid
passing through the steam generator, in MW.
(b) the rate of heat transfer from the working
fluid passing through the condenser, in MW.
(c) the cycle thermal efficiency.