Experimental investigation on the low-GWP HFC/HFO blends R454A and R454C in a R404A refrigeration system

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dc.authorid0000-0001-9055-1508en_US
dc.authorid0000-0001-9174-378Xen_US
dc.contributor.authorOruç, Vedat
dc.contributor.authorDevecioğlu, Atilla G.
dc.date.accessioned2022-12-06T08:23:39Z
dc.date.available2022-12-06T08:23:39Z
dc.date.issued2021en_US
dc.departmentDicle Üniversitesi, Mühendislik Fakültesi, Makine Mühendisliği Bölümüen_US
dc.description.abstractThis study experimentally compares the high-GWP R404A with two low-GWP HFC/HFO blends, R454A (35% R32 + 65% R1234yf) and R454C (21.5% R32 + 78.5% R1234yf). Three evaporation temperatures ( -5, 0 and + 5 degrees C) and three condenser temperatures (30, 40, 50 degrees C) were studied. For all covered cases of condenser temperatures, the measured compressor power consumption was reduced by about 6% and 15% for R454A and R454C, respectively compared to R404A. The cooling capacity of R454A was higher than R404A by 11%, approximately, although the mass flow rate values have been reduced using the studied alternative refrigerants. As a result, the COP values of R454A and R454C were greater than R404A by about 14% and 10%, respectively. Although the discharge temperatures of the alternative blends were determined to be higher than that obtained for R404A, they are suitable for the tested operating conditions. The proposed alternative refrigerants could be used directly in available R404A systems without any constructional modification requirement if safety concerns can be solved. Moreover, it is possible to have higher cooling capacity and COP values as well as reduced environmental impacts. (c) 2021 Elsevier Ltd and IIR. All rights reserved.en_US
dc.identifier.citationOruç, V. ve Devecioğlu, A.G. (2021). Experimental investigation on the low-GWP HFC/HFO blends R454A and R454C in a R404A refrigeration system. International Journal of Refrigeration, 128, 242-251en_US
dc.identifier.doi10.1016/j.ijrefrig.2021.04.007
dc.identifier.endpage251en_US
dc.identifier.issn0140-7007
dc.identifier.issn1879-2081
dc.identifier.scopus2-s2.0-85107141884
dc.identifier.scopusqualityQ1
dc.identifier.startpage242en_US
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S0140700721001328?via%3Dihub
dc.identifier.urihttps://hdl.handle.net/11468/10955
dc.identifier.volume128en_US
dc.identifier.wosWOS:000674658200010
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorOruç, Vedat
dc.institutionauthorDevecioğlu, Atilla Gencer
dc.language.isoenen_US
dc.publisherElsevier SCI LTD.en_US
dc.relation.ispartofInternational Journal of Refrigeration
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectHFCen_US
dc.subjectHFO mixtureen_US
dc.subjectLow-GWPen_US
dc.subjectRefrigeration systemsen_US
dc.subjectR404Aen_US
dc.subjectR454Aen_US
dc.subjectR454Cen_US
dc.titleExperimental investigation on the low-GWP HFC/HFO blends R454A and R454C in a R404A refrigeration systemen_US
dc.titleExperimental investigation on the low-GWP HFC/HFO blends R454A and R454C in a R404A refrigeration system
dc.typeArticleen_US

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