Influence of mixing section inlet and diffuser outlet velocities on the performance of ejector-expansion refrigeration system using zeotropic mixture

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dc.authoridBilgili, Mehmet/0000-0002-5339-6120
dc.contributor.authorUnal, Saban
dc.contributor.authorCihan, Ertugrul
dc.contributor.authorErdinc, M. Tahir
dc.contributor.authorBilgili, Mehmet
dc.date.accessioned2025-03-17T12:25:55Z
dc.date.available2025-03-17T12:25:55Z
dc.date.issued2022
dc.departmentTarsus Üniversitesi
dc.description.abstractIt is known that the performance of vapor compression cooling systems can be increased thanks to the ejector. In the literature, there are many studies on the subject, in which mathematical models of ejector-expansion cooling systems are developed. However, the refrigerant velocities at the mixing section inlet for the secondary flow (suction stream) and diffuser outlet were neglected in these studies. In the mathematical model used in this study, the velocities in both sections are considered and the system performance is calculated. The performance assessment of an ejector-expansion refrigeration system was realized in the case of using the R600a/R290 refrigerant mixture as a working fluid. Thus, the effect of zeotropic refrigerant mixtures on the system performance is also investigated, considering the refrigerant velocities at the mixing section inlet and diffuser outlet. According to the obtained results, it has been found that the cooling performance of the system that uses R600a/R290 mixture as a refrigerant is 5.8%-7% higher when the velocities at the mixing section inlet and diffuser outlet are considered compared to the neglected one. The exergy efficiency is also calculated to be around 4.6% lower when the ejector mixing section inlet and diffuser outlet velocities are neglected.
dc.identifier.doi10.1016/j.tsep.2022.101338
dc.identifier.issn2451-9049
dc.identifier.scopus2-s2.0-85131099730
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.tsep.2022.101338
dc.identifier.urihttps://hdl.handle.net/20.500.13099/1938
dc.identifier.volume33
dc.identifier.wosWOS:000836471800003
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofThermal Science and Engineering Progress
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250316
dc.subjectCOP
dc.subjectEjector refrigeration cycle
dc.subjectExergy
dc.subjectZeotropic mixtures
dc.titleInfluence of mixing section inlet and diffuser outlet velocities on the performance of ejector-expansion refrigeration system using zeotropic mixture
dc.typeArticle

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