Question: 20Kg/s of the mass flow rate of water is used in a power cycle. The cycle consists on a isothermal heat exchange in the

20Kg/s of the mass flow rate of water is used in a power cycle. The cycle consists on a isothermal heat exchange in the boiler from saturated liquid to saturated vapor at pressure of 5MPa. The vapor is then expanded in the turbine to a 1000KPa of pressure. In the condenser, heat is extracted and then a compression is done by the pump to the initial pressure. Determine, a. The thermal efficiency b. The back work ratio (ratio of work done in turbine to work done in the pump) c. The power needed in the boiler. d. The net power produced by the cycle in hp.

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