EFFECT OF DIFFERNET CAPILLARY TUBE DIAMETERS & LENGTHS ON THE PERFORMANCE OF VCR SYSTEM USING R-600A AND HC MIXTURE AS WORKING MEDIUM

P.Anil Kumar
M.tech ,Mechanical Engineering, JNTUA College Of Engineering, Anantapuram, India , IN

Prof.M.L. S.Devakumar
M.tech ,Mechanical Engineering, JNTUA College Of Engineering, Anantapuram, India , IN

Keywords: Vapour Compression Refrigeration system (VCRS), Refrigerants, COP, ODP, GWP.

Abstract

The performance of heat transfer is one of the most important research areas in the field of Refrigeration. There are a large number of refrigerants, which are used to transfer heat from low temperature reservoir to high temperature reservoir by using vapor compression refrigeration system. There are various obstacles faced in working of different refrigerants due to their environmental impact (R11, R12), toxic(NH3)and high pressure (CO2) which makes them more hazardous than other working fluids according to safety and environmental issues. The performance of different environmental friendly refrigerants and their mixtures of Hydrocarbons & R-600a as refrigerant. This seems to be need of new efficient, minimum global warming potential (GWP), minimum ozone depletion potential (ODP) and environmental friendly nature refrigerants. This project deals on performance analysis of an alternative eco-friendly refrigerants R-600a & Hydrocarbon Mixtures which reduced Global Warming Potential (GWP) and Ozone Depletion Potential (ODP).The performance characteristics of the VCR System were predicted using continuous running tests under different ambient temperatures and cyclic running (On/Off) tests at the fixed temperatures i.e., evaporation temperature (-5˚C) and condensation temperature (30˚C).And also This project will deals with different diameters of capillary tube to analyze the performance.

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