A Rankine cycle with superheat uses water as its working fluid. Superheated steam enters the turbine at 17 MPa and 550°C, and saturated liquid exits the condenser at 25 kPa. The net power produced in the cycle is 525 MW. External cooling water enters the condenser at a temperature of 10°C and exits at 40°C. Determine the mass flow rate of the steam and the mass flow rate of the external cooling water if (a) the turbine and pump are isentropic and (b) the isentropic efficiency of the turbine is 82% and the pump isentropic efficiency is 71%.
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