“EXPERIMENTAL SETUP OF VAPOR ABSORPTION REFRIGERATION SYSTEM BY USING NH3-H2O REFRIGERANT WITH VARIOUS PROPORTION”

Mechanical Engineerng

This paper focuses on the construction of ammonia fluid absorption refrigeration unit, intended to operate in an atmospheric environment. Vapor absorption systems, unlike vapor-compression systems, use a heat source to facilitate refrigeration. Ammonia fluid absorption refrigerators use electric based heater installed generator and no moving parts, such as pumps and compressors, and operate at a single system pressure. In this paper we have compared the performance of VARS that are used for refrigeration temperatures are below atmospheric temperature. Since the most common vapor absorption refrigeration systems (VARS) works on NH3-H2O solution with H2O as the absorbent and NH3 as the refrigerant, research has been devoted for the betterment of the performance of NH3-H2O absorption refrigeration systems in recent years. The highest COP was found as a function of the absorb, generator, condenser, and evaporating temperature. The objective of our paper is to present empirical relations for evaluating of the performance of a single stage vapor absorption system and to check the performance of system with respect to proportion.

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