Experimental Analysis of Household Refrigerator Compatible with Phase Change Material, using R290/600a Blend as Refrigerant

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2016 by IJETT Journal
Volume-42 Number-4
Year of Publication : 2016
Authors : Adil F. Momin, Manish H. Attal
DOI :  10.14445/22315381/IJETT-V42P236


Adil F. Momin, Manish H. Attal "Experimental Analysis of Household Refrigerator Compatible with Phase Change Material, using R290/600a Blend as Refrigerant", International Journal of Engineering Trends and Technology (IJETT), V42(4),183-188 December 2016. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group

In developing countries like India there exists a widespread general problem of frequent power cuts, which gives rise to spoilage of perishable items such as medicine and food stuff due to lack of a passive cold retention system. Moreover, there exists the pressing need of the hour to incorporate eco-friendly practices from the grass root level, while at the same time conserving energy and increasing efficiency. In this paper the effects of phase change material (PCM) on performance of a household refrigerator with R290/R600 blend as refrigerant has been investigated experimentally. Theoretical analysis was carried out using Cool pack software. Experimental results with PCM show that the addition of thermal inertia globally enhances heat transfer from the evaporator and allows a higher evaporating temperature, which increases the coefficient of performance (COP) of the system. The energy stored in the PCM is yielded to the refrigerator cell during the off cycle and allows for several hours of continuous operation without power supply. The experimental results with PCM also confirm that, average compressor running time is reduced about 5-30% as compared to without PCM, and the test results with PCM prove a noticeable reduction of the temperature fluctuation inside the cabinet.


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— Household refrigerator, Phase change material, Compressor running time, Coefficient of performance.