ALTERNATIVE REFRIGERANTS FOR HCFC 22—A REVIEW

Year 2018, Volume: 4 Issue: 3, 1998 - 2017, 22.03.2018

Suneel Kalla

https://doi.org/10.18186/journal-of-thermal-engineering.410435

Cited By: 8

Abstract

The aim of this paper is to determine the best available
alternative which could replace existing refrigerant R22, with minimum or no
changes in the air conditioning system. For this purpose, both the theoretical
as well as experimental studies done in this area of research have been
reviewed. The most popular HFC, R410A is having lower critical temperature,
which restricts its usage in compression based systems working at higher
condensing temperatures whereas for R407C, a change to synthetic lubricant is
required and HC-290 is flammable. It is suggested that until the safety issue
of use of hydrocarbon refrigerants in quantities exceeding 500gm is resolved,
we should go for those mixtures of HFCs and HCs for which TEWI index is the
lowest.

Keywords

HCFC, R22, Refrigerant, Alternative, HFC, HC, TEWI

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