A refrigeration system using refrigerant 22 is to have a refrigerating capacity of 80 kW. The cycle is a standard vapor-compression cycle in which the evaporating temperature is -8 degrees Celsius and the condensing temperature 42 degrees Celsius.
(a) Determine the volume flow of refrigerant measured in cubic meters per second at the inlet to the compressor.
(b) Calculate the power required by the compressor.
(c) At the entrance to the evaporator what is the fraction of vapor in the mixture expressed both on a mass basis and a volume basis?
The solution discusses a refrigeration system with a standard vapor-compression cycle and makes calculations to solve for required power, volume flow and vapor to volume ratio.