Problem 10.1 A simple Rankine cycle operates with a low pressure of 50 kPa and a high pressure of 5 MPa. Assume the pump is ideal, and the turbine has an isentropic efficiency of 92% a) What is the thermodynamic efficiency of this cycle? b) What is the mass flow rate of the working fluid needed to have a power output of SMW? Combustion products (to stack) Fuel and air in Boiler Water pump Condenser Steam turbine Electrical generator Cooling water in (Solution: 7th 27 %, m = 7.58 kg/s) = Cooling water out