By: Julia Aidan
Submitted: 2010-06-17 11:20:56 | Word Count: 442
Refrigeration is cooling the air and removing the humidity in it. The refrigerator in your home, the air conditioner in your office, home or car; all work in the same way. The functioning principle is evaporation and condensation.
To alter the principles of evaporation and condensation into refrigeration system you have a series of components that are attached by tubing and hoses. The six basic components required for a refrigeration system are the compressor, condenser, receiver drier, thermostatic expansion valve, the evaporator and the refrigerant. The refrigerant is a liquid that is capable of vaporizing at a low temperature.
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This is how the refrigeration system and the components work.
- The power unit of the refrigeration system is the compressor. As soon as the refrigeration system is turned on, the compressor starts functioning and pumps out refrigerant vapor under high pressure and high heat to the condenser.
- The condenser alters the high-pressure refrigerant vapor to liquid by removing the heat from the refrigerant.
- Now the refrigerant moves to the receiver drier. This device works as storage tank for the liquid refrigerant and also removes moisture from the refrigerant. Moisture in the system can freeze and cause blockage in the system.
- Constant compression pressurizes the system forcing the liquid refrigerant under high pressure to move from the receiver drier to the thermostatic expansion valve. Pressure is removed from refrigerant by the expanding valve which helps to expand and changes to refrigerant vapor in evaporator.
- Like the condenser, the evaporator is a device that contain tubes and fins. As soon as the cold low-pressure refrigerant is released into the evaporator, it vaporizes and absorbs the heat and cools. This completes the process of basic refrigeration, thereby inducing cooling in your refrigerator or in your area or car by an air conditioner.
- Other refrigeration cycle takes place when heat and low-pressure refrigerant is drawn to the compressor.
Thus, by constantly circulating, evaporating and condensing a fixed supply of refrigerant in a closed system accomplish mechanical refrigeration.
The cause to be ascertained in case of failure. Analyzing completely the system and understanding the intended function of each section can do this. This is extremely important before arriving at any conclusion.
The refrigerants used for refrigeration were synthetic refrigerants based commonly on chlorofluocarbon (CFC) chemical. This is safe for home and commercial organizations. During the late 1920s, hydro chlorofluorocarbon (HCFC) and hydro fluorocarbon (HFC) refrigerants were produced and was considered less harmful than the commonly used methyl formate, ammonia, methyl chloride and sulphur dioxide.
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