Consider a steam plant operating on a Rankine Cycle with two open feed water heaters as shown in the figure. steam exiting the boiler is at 18 MPa and 670 C. The high pressure open feedwater heater operates at 4 MPa and the low pressure feed water heater operates at 4 bar while the condenser is at 4 kPa. Determine the
a) Thermal efficiencey of the plant
b) Mass flow rate of steam leaving the boiler to produce 50 MW of power
C) Calculate the efficiency if a reheat loop was added at such that the steam leaves at 1 MPa and reenters the turbine at 450C