A steam power plant operates on an ideal reheat Rankine cycle. Steam enters the

Question

A steam power plant operates on an ideal reheat Rankine cycle. Steam enters the high-pressure turbine at 17.5 MPa and 500 C and leaves at 2 MPa. Steam is then reheated at constant pressure to 500 C before it expands to 100 KPa in the low-pressure turbine.

Determine the turbine work output, in KJ/Kg

Determine the thermal efficiency of the cycle.

Show the cycle on a T-S diagram. (The states must be shown in correct regions. For example, if the state is superheated vapor in the solution, it should be shown in the superheated vapor region , and if it is a saturated liquid/vapor mixture, it should be shown in the mixture region.

Explanation / Answer

creo k 3% the efficiency

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