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What happens to the refrigerant in an evaporator?
In the evaporator, the refrigerant absorbs heat from the surrounding air or substance, causing it to evaporate and turn into a low-pressure gas. This phase change allows the refrigerant to cool down the air passing through the evaporator coils before it is circulated back into the space being cooled.
Where does the refrigerant go when it leaves the evaporator?
The evaporator
Dry expansion evaporator?
In dray expansion evaporator, the liquid refrigerant is generally fed by an expansion valve. the expansion valve controls the rate of flow of refrigerant to the evaporator. In the evaporator the liquid refrigerant is vaporized and superheated by the time it reaches to the end of evaporator. At inlet of the evaporator, the refrigerant is predominantly in the liquid form with a small amount of vapor formed as a result of flashing at the expansion valve. the liquid refrigerant passes through the evaporator, more and more refrigerant is vaporized by the load. according to the load, the liquid will come into evaporator and vaporize and reaches to superheat at the end of the evaporator. The inside of the evaporator is far from dry but wetted with liquid so named as dry expansion evaporator.
Is refrigerant superheated when leaving the evaporator?
Refrigerant is superheated when leaving the evaporator so that the compressor is not getting liquid along with the gas, becauseÊliquid can cause damage the compressor.
Where is the coldest point in a ac circuit?
the point where refrigerant evaporates in the evaporator. Generally the center of the evaporator.
Which component cosists of a thermal sensing element used to regulate the flow of liquid refrigerant into an evaporator?
Thermostatic expansion valve consists of a thermal sensing element that regulates the flow of liquid refrigerant into an evaporator based on the temperature of the refrigerant returning from the evaporator.
What does the refrigerant do in the evaporator?
An evaporator in a refrigeration system works by passing warm air over it's coils.
What is the difference between the dry or direct expansion type of evaporator to the Flooded type evaporator?
Evaporator is said to be flooded type if liquid refrigerant covers the entire heat transfer surface. This type of evaporator uses a float type of expansion valve. An evaporator is called dry type when a portion of the evaporator is used for superheating the refrigerant vapour after its evaporation.
Is suction pressure another word for evaporator saturation pressure?
No, suction pressure refers to the pressure of refrigerant gas leaving the evaporator and entering the compressor, while evaporator saturation pressure refers to the pressure at which a refrigerant changes from a liquid to a vapor in the evaporator coil. They are related but not the same.
Where in the refrigeration system is heat absorbed into the refrigerant?
The heat is released by heat exchangers in the atmosphere.
What device causes the refrigerant to undergo transition from a liquid to gas?
evaporator
What is the purpouse of the evaporator coil in an air conditioning unit?
to evaporate the refrigerant
