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Review on Environmental Friendly Refrigerant HC-12a and HC-22a in Comparison with R-134a and R-12 in a Refrigeration System

Nishikant Z. Adkane, Manish R. Moroliya, Sandeep M. Pimpalgaonkar

Abstract


Global warming and ozone layer depletion is the most significant topic at all over world. Montreal Protocol is principally concern with the regulation of amount of ozone layer depleting constituents from the several refrigerants. The current study especially focused on eco-friendly refrigerants like HC-12a and HC-22a. Presently environment safety is the utmost problem. Now a day’s domestic refrigerator is working on refrigerant R-134a which has zero ozone depletion potential (ODP) but having considerable global warming potential (GWP). It must be phased out almost immediately due its significant global warming potential (GWP). The current study particularly focused on eco-friendly refrigerants like HC-12a and HC-22a. The refrigerator performance will be examined using energy utilization test. This paper represents review on experimental examinations performed to appraise coefficient of performance of several eco- friendly refrigerants in domestic refrigerator as a substitute to R-134a.


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References


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Nishikant Z. Adkane, Sandeep Pimpalgaonkar, Saroj V. Borkar, Manish R. Moroliya, “Testing Performance and Comparative analysis of household refrigerator working with conventional condenser and spiral coiled shaped condenser using refrigerantR134 and eco-friendly refrigerant HC-12a”, International Journal of Mechanical Engineering and Technology (IJMET),Volume 9, Issue 3, ISSN 0976-6340 March 2018.

Ratnesh Sahu comparatively analyses mint gas with R-12 and R-134a refrigerants. Mint gas is an azeotropic mixture of propane (R290) and isobutene (R600a). It has property similar to R-12 and R-134a which is commonly used refrigerant now a days. This blend of hydrocarbons is used in most of the ac of European cars. It contains 60%


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