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an air conditioning system, is considered high-temperature refrigeration and is used for comfort cooling.
an air conditioning system
Compressor and evaporator
low temperature low pressure vapor
low temperature low pressure vapor
low temperature low pressure vapor
pressure in a refrigeration system is changed in the
low temperature low pressure vapor
In vapour compressor refrigeration system the low pressure and temperature vapour refrigerant from evaporator is compressed. where it is compressed to a high pressure and temperature. From compressor refrigerant goes to condenser where where it changes the phase. from condenser refrigerant goes to evaporator through expansion device.
cause its a gas
the coil temp is normally 10 F to 20 F above box temp
a simple aircraft refrigeration system is an air refrigeration system, where air is used as the working fluid. the compressor of the aircraft is used to compress the air isentopicaly by ramming process, thus increasing its pressure from p1 to p2. constant pressure heat rejection takes place in a heat exchanger, thus redusing its temperature. now it is isentropicaly expanded using the turbine to the cabin pressure. this air mixes with the air in the cabin and reduses the temperature.