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How Does Refrigerator Work?


Last Updated:   Category: How things work    
Author: Member Level: Gold    Points: 5


- This resource explain how do the domestic/commercial refrigerator system work. - It shows basic parts of the refrigerator system. - Capacity of the Refrigerator system is calculated in terms of Tonn of refrigerant.



* The basic refrigerator system works on VAPOR COMPRESSION SYSTEM principle.

* The system consists of following parts
1. Evaporator (Heart of Refrigeration system)
2. Compressor
3. Condenser
4. Expansion Valve (or Capillary Tube)

* Working:
Figure in attachment shows the complete diagram of the system.

- The system consist of Refrigerant as working substance which continuously flows through the system. The refrigerant may be different depending on the application.

- The low pressure refrigerant in gaseous form enters the COMPRESSOR where it is compressed to high pressure and temperature gaseous form.

- The discharge from the compressor then enters the CONDENSER where it is cooled to high pressure liquid state by heat exchange process.

- The high pressure liquid refrigerant then passes through the EXPANSION VALVE where refrigerant is expanded into low pressure liquid.

- As low pressure liquid refrigerant having low boiling point enters the EVAPORATOR , it will start to evaporate by taking heat from surrounding i.e. liquid state is converted in to gaseous by heat of surrounding.

- Thus surrounding cools and again Cycle repeats for continuous refrigerating effect.

* Domestic refrigerators are available in liters of refrigerant capacities.

Attachments


How does Refrigerator Work?


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