I want to know the function of compressor in air conditionar,what exactly happens when the refregerant passes though from evaporator and move towars the compressor and jst after the compressor...(being in high pressure and temprature).
Compressor provides differential pressure need for the refrigerant to expand in the evaporator. In the evaporator the refrigerant changes state absorbing heat from the air being blown through it. The refrigerant is the cooled in the condenser returning it to its liquid state and then it is picked back up by the compressor.
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I always describe the general purpose of a pump, when describing a refrigeration compressor. In any pumping system, a pump creates flow, not pressure. The pressure in the system is caused by the resistance in the circuit, in a refrigeration system this is the T/X valve.
The amount of refrigerant the T/X valve admits to the evaporator is controlled mainly by the sensing bulb which is connected to the T/X valve by a capillary tube and this cotains the same refrigerant that is used in the system and is fitted on the outlet from the evaporator.
As refrigerant enterers the evaporator coil the it is a low temperature low pressure liquid and absorbs heat from product in the evaporator. Ideally what should happen is as the refrigerant absorbs heat and it changes to a vapour as it flows through the coil. By the time the refrigerant reaches the last coil, all refrigerant should be a vapour.
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Refrigeration
Re: Refrigeration
