Refrigeration System – Types and working

Refrigeration is the process of heat removal by lowering temperature beyond atmospheric temperature. For producing refrigerating effect various methods are used. We shall be discussing various refrigeration system in this article. Two important terms used in refrigeration system is TR(Ton of Refrigeration)and COP ( Coefficient of performance), TR is used to define the capacity of …

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Primary and secondary refrigerants:

Most of the cooling appliances works on vapor compression refrigeration system may it is your air conditioners, Refrigerator, car cooling system, industrial chillers. All vapor compression refrigeration system requires refrigerant for generating cooling effect. These refrigerants changes phases from liquid to vapor to provide cooling effect. In this article we will discuss about refrigerant and …

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Impact of condensing temperature in refrigeration system

Chiller performance depends on the various factors like condenser temperature, evaporation temperature, compressor loading, refrigerant quantity etc. One of the major factors which impact the chiller performance is condenser saturation temperature. Condenser saturation temperature depends on various factors like Variation in cooling water temperature. cooling water temperature depends upon performance of cooling tower and atmospheric …

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Case Study: Inline condenser cleaning system for 350 TR chiller.

Area of Improvement: 350 TR Screw chiller, with refrigerant as R134a was in operation. Chiller inlet and outlet temperature was designed for 12 deg C and 7 Deg C. variation in cooling water temperature was from 22 deg C to 32 deg C. Cooling tower water treatment program was well maintained. Condenser cleaning procedure was …

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Heat Pump

Heat pump is a device used to transfer heat from source to sink with the use of small energy. In simple words, Heat pump absorbs heat from cold zone and transfers to the hot zone. Common type of heat pumps is based on refrigeration system which absorbs heat at evaporator and recovered at condenser. While …

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Case Study: Pumping power reduction at chilled water System

Area of Improvement: 500TR Chilled water system was having primary and secondary circuits for circulation of chilled water through Chiller and plant. Observation: In a typical chilled water/ brine system, Primary circuits are used circulate water/ brine though chiller and reduce temperature of chilled water / brin., further this chilled water is transferred to the …

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