The ideal Rankine cycle of Problem 8.2 is modified to include reheat. In the modified cycle, steam expands though the first-stage turbine to 0.7 MPa and then is reheated to 480C. If the net power output of the modified cycle is 100 MW, determine for the modified cycle

(a) the rate of heat transfer to the working fluid passing through the steam generator, in MW.

(b) the thermal efficiency.

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(c) the rate of heat transfer to cooling water passing through the condenser, in MW.

Modify the ideal Rankine cycle of Problem 8.2 to include one open feedwater heater operating at 0.7 MPa. Saturated liquid exits the feedwater heater at 0.7 MPa. Answer the same questions about the modified cycle as in Problem 8.2 and discuss the results.

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