Engineering, 14.11.2019 22:31 Gattuso

Asteam power plant operatues on the reheat-regenerative rankine cycle with a closed feedwater heater. steam enters the turbine at 8 mpa and 500 cat a rate of 15 kg/s and is condensed in the condenser at a pressure of 20 kpa. steam is reheated at 3 mpa to 500 c. some steam is extracted from the low-pressure turbine at 1.0 mpa, is completely condensed in the closed feedwater heater at the same pressure. assuming an isentropic efficiency of 88 percent for both the turbine and the pump, determine (a) the temperature of the steam at the inlet of the closed feedwater heater, (b) the mass flow rate of the steam extracted from the turbine for the closed feedwater heater, (c) the net power output, and (d) the thermal efficiency.

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Asteam power plant operatues on the reheat-regenerative rankine cycle with a closed feedwater heater...

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