Thermodynamic analysis of usage of R134a, R1234yf, R450A, R513A and R515B in the mechanical vapor compression refrigeration system

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dc.contributor.authorBilen, Kemal
dc.contributor.authorIsik, Bilal
dc.contributor.authorDagidir, Kayhan
dc.contributor.authorArcaklioglu, Erol
dc.date.accessioned2025-03-17T12:27:48Z
dc.date.available2025-03-17T12:27:48Z
dc.date.issued2024
dc.departmentTarsus Üniversitesi
dc.description.abstractR134a, which is used as a working fluid in Vapor Compression Refrigeration Systems (VCRS), is one of the refrigerants that is planned to be discontinued the usage due to the global warming. For this reason, researchers have tended to developing alternatives to R134a. In this context, in this study, the usage of R134a and its alternatives R1234yf, R450A, R513A, and R515B refrigerants were theoretically examined with the help of a theoretical model developed in the Engineering Equation Solver (EES) program using experimental data in terms of first and second laws of thermodynamics in a mechanical vapor compression refrigeration system. Analyses were performed for constant cooling capacity at various evaporation and condensation temperatures. In this study, the effects of the refrigerant type on the compressor power, heat rejection rate from the condenser, Coefficient of Performance (COP), second law efficiency, and mass flow rate of the refrigerant were determined. In addition, the results obtained under the same conditions for R134a and its alternatives were compared. As a result, compressor power increased by 5.62% for R1234yf, 2.35% for R450A, 3.41% for R513A, and 2.88% for R515B compared to R134a. Thus, it was observed that COP decreased by 5.32% for R1234yf, 2.30% for R450A, 3.30% for R513A, and 2.80% for R515B compared to R134a. Similarly, it was observed that the second law efficiency decreased by 5.32% in case of the usage of R1234yf, 2.30% in case of the usage of R450A, 3.29% in case of the usage of R513A, and 2.80% in case of the usage of R515B compared to R134a. Hence, it has been determined that the closest refrigerant to R134a in terms of the COP and the second law efficiency is R450A.
dc.identifier.endpage175
dc.identifier.issn1300-1884
dc.identifier.issn1304-4915
dc.identifier.issue1
dc.identifier.scopusqualityQ2
dc.identifier.startpage161
dc.identifier.urihttps://hdl.handle.net/20.500.13099/2460
dc.identifier.volume39
dc.identifier.wosWOS:001058089000014
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherGazi Univ, Fac Engineering Architecture
dc.relation.ispartofJournal of The Faculty of Engineering and Architecture of Gazi University
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250316
dc.subjectR134a
dc.subjectGlobal warming potential
dc.subjectAlternative refrigerants
dc.subjectRefrigeration system
dc.subjectThermodynamic analysis
dc.titleThermodynamic analysis of usage of R134a, R1234yf, R450A, R513A and R515B in the mechanical vapor compression refrigeration system
dc.typeArticle

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