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Development of Alternative Binary Mixtures to Replace HFC 134a in Domestic Refrigerator

Parashurama Siddegowda, Govindegowda Mundur Sannappagowda, Ramesha D Kempegowda
2018 Chemical Engineering Transactions  

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Thermodynamic and volumetric properties of alternate Refrigerant mixtures to replace R134a have been predicted using SRK EOS and modified PSRK mixing rule using UNIFAC method. The performance of alternate refrigerant mixtures has been comparatively assessed using standard refrigeration parameters such as COP, compressor work input, condenser heat rejection, compressor discharge temperature, refrigeration effect. In this paper an attempt is made to find new alternatives for R134a by considering
more » ... lammability, azeotropic behavior, thermodynamic properties and performance parameters of domestic refrigerator. According to our results, R134a (75)/R290 (25), R134a (50)/R270 (50), R1270 (32)/R600a (68), R1270 (32)/R600 (68) R290(30)/R600a(70), R290(35)/R600(65) and R134a (65)/R1270 (35) are proposed as alternatives for R134a.An attempt has been made to quench the flammability and increase the miscibility of HFCs with lubricating oil of the mi
doi:10.3303/cet1871234 doaj:547727c1e3b94bb9bc33c3e91cb0c992 fatcat:6cb4ryhyyvcidgferkg3jj2qau
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Parashurama Siddegowda, Govindegowda Mundur Sannappagowda, Ramesha D Kempegowda. "Development of Alternative Binary Mixtures to Replace HFC 134a in Domestic Refrigerator." Chemical Engineering Transactions (2018)