Experimental Energy Analysis of R134a and HC (Propane + Butane) as a Refrigerant in Domestic Refrigerator

Jyoti Soni

Abstract


This paper presents an experimental and numerical study for identical household refrigerator using hydrocarbon butane/propane mixture as a drop replacement for R134a. GWP of R134a is very high (i.e.1300)   as compared to hydrocarbon butane/propane mixture (i.e. 8). The household refrigerator basically designed to work with R134a. In this paper the cooling performance for both refrigerants was experimentally measured and then compare for suction temperature, temperature after condensing, temperature after cooling with respect to time (in minute). Montreal and Kyoto protocols talk regarding to the substances those are responsible to increase global warming and ozone depletion i.e. those substances have high value of ODP and GWP must be replace by new eco-friendly substances. Among the various refrigerants, recently hydrocarbons are considered as refrigerant due to its low ODP and GWP. The hydrocarbons refrigerants also give better performance as compared to CFC and HFC refrigerant. After experimental comparative analysis we get, R134a give better performance as compared to hydrocarbon butane/propane mixture. Hydrocarbon butane/propane mixture cannot be directly used in same system which is designed for R134a.  The use of hydrocarbon butane/propane mixture in exists refrigerator required the compressor range. Experimental test has been carried out in moderate climate condition. In this work, derived the equation model is used which is solved by Energy Equation Software.

 


Keywords


Keywords: domestic refrigerator, GWP, COP, HC (butane/propane), R134a

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References


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DOI: https://doi.org/10.37628/ijicegt.v8i1.1410

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