• NULAKA RAJESWARI
• Dr. B.OMPRAKASH
• Dr.R.GANAPATHI

In the present days refrigeration became a common human need but due to the release of green house gases from the refrigerators in to the earth’s atmosphere, causes high global warming and in turn destructing the ozone layer of atmosphere. In concern of the earth’s environment, Montreal and Kyoto protocols proposed for alternative eco-friendly refrigerants. In the current work, experimental investigation on VCRS system tested with R600a and hydrocarbon mixture (R290/R600a) as refrigerants as they have zero ODP and very low GWP related to the refrigerant R134a. Due to the higher value of latent heat of hydrocarbons, the amount of refrigerant charge will be relatively lower than R134a. By using R600a and hydrocarbon mixture refrigerants of charges 50g, 55g and 60 g are tested individually for performance characteristics and critical correlations are drawn between the refrigerants and represented by graphical representation. Refrigeration effect of R290/R600a (50/50 by wt %) mixture was 21.4% higher than R600a for 55g charge. The obtained results proved that the overall performance of 55g (R290/R600a) mixture could be considered as the best eco-friendly alternative refrigerant phase out R134a refrigerant

Eco-friendly refrigerants-R600a(isobutene), Hydrocarbon mixture (R290/R00a), 50g, 55g,60g, of refrigerant charge, performance

"EXPERIMENTAL INVESTIGATION OF A REFRIGERATOR BY USING ALTERNATIVE ECO FRIENDLY REFRIGERANTS( R600a & HC MIXTURE).", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.4, Issue 10, page no.278-282, October-2017, Available :http://www.jetir.org/papers/JETIR1710044.pdf

"EXPERIMENTAL INVESTIGATION OF A REFRIGERATOR BY USING ALTERNATIVE ECO FRIENDLY REFRIGERANTS( R600a & HC MIXTURE).", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.4, Issue 10, page no. pp278-282, October-2017, Available at : http://www.jetir.org/papers/JETIR1710044.pdf