vapourcompression
Vapour compression refrigeration, or vapor-compression cycle, is a widely used method of removing heat from a low-temperature space by circulating a refrigerant through a closed loop that changes phase between liquid and vapor. The cycle uses a compressor to raise the refrigerant’s pressure and temperature, enabling heat rejection at a condenser and heat absorption in an evaporator.
In operation, the evaporator absorbs heat from the area to be cooled as the low-pressure liquid refrigerant
Key components are the compressor, condenser, expansion device (capillary tube or thermostatic or electronic expansion valve),
Performance is expressed by the coefficient of performance (COP) for cooling or energy efficiency ratings. Actual
Environmental and safety considerations center on refrigerant selection. CFCs and HCFCs have ozone depletion potential and