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Principal Parts Vapor Compression Refrigeration System

Updated on December 21, 2009

The principal parts of a simple vapor compression refrigeration system shown are given below.

· Evaporator: Its function is to provide a heat transfer surface through which heat can pass from the refrigerated space into the vaporizing refrigerant.

· Suction Line: It carries the low pressure vapor from the evaporator to suction inlet of the compressor.

· Compressor: The function of the compressor is to draw refrigerant vapor from the evaporator and to raise it temperature and pressure to such a pri9nt to that it may be easily condensed with normally available condensing media. It also maintains a continuous flow of the refrigerant through the system.

· Discharge Line: It conveys the high pressure and high temperature refrigerant from the compressor to the condenser.

· Condenser: The function of the condenser is to provide a heat transfer surface through which heat passes from the refrigerant to the condensing medium which is either water or air.

· Liquid Receiver : It acts as a reservoir which stores the liquid refrigerant coming from the condenser and supplies it to the evaporator according to the requirement.

· Liquid Line: It carries the liquid refrigerant from the receiver and convey it to the expansion valve.

· Expansion valve: Its function is to supply a proper amount of refrigerant to the evaporator after reducing its pressure considerably so that the refrigerant may be take sufficient amount of heat from the refrigerating space during evaporation.


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      surya prakash tiwari 4 years ago

      helping concept for RAC

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      VIVEK UGARE 5 years ago


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      Dauda suleiman mech.kad.poly. 6 years ago

      Refrigeration unit

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      Ananda 8793295360 6 years ago

      This is good article for RAC