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Comparative performance study of vapour compression refrigeration system with R22/R134a/R410A/R407C/M20

Author(s): Vaibhav Jain, S. S. Kachhwaha, R. S. Mishra

Journal: International Journal of Energy and Environment
ISSN 2076-2895

Volume: 2;
Issue: 2;
Start page: 297;
Date: 2011;
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Keywords: Compression system | Modelling | performance study | Refrigeration | R407C

Several refrigerants have emerged as substitutes to replace R22, the most widely used fluorocarbon refrigerants in the world. These include the environmentally –friendly hydrocarbon (HFC) refrigerants R134a, R410A, R407C and M20. In the present research study a refrigerant property dependent thermodynamic model of a simple reciprocating system, which can simulate the performance of actual system as closely as possible, has been used to compare the characteristics of various refrigerants [R22, R134a, R410A, R407C and M20] used by world manufacturers to meet the challenges of higher efficiency and environmental responsibility while keeping their system affordable. Considering the recent trends of replacement of ozone depleting refrigerants and improvement in system efficiency, in the present study, R407C can be a potential HFC refrigerant replacement for new and existing systems presently using R22 with minimum investment and efforts.
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