A simple Rankine cycle with R-22 as the working fluid is to be used as a bottoming cycle for an electrical generating facility driven by the exhaust gas from a Diesel engine as the high temperature energy source in the R-22 boiler.
Diesel inlet conditions are 100 kPa, 20C, the compression ratio is 20, and the maximum temperature in the cycle is 2800C. Saturated vapor R-22 leaves the bottoming cycle boiler at 110C, and the condenser temperature is 30C. The power output of the Diesel engine is 1 MW. Assuming ideal cycles throughout, determine
a. The flow rate required in the diesel engine.
b. The power output of the bottoming cycle, assuming that the diesel exhaust is cooled to 200C in the R-22 boiler.