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Performance characteristics of a small-capacity directly cooled refrigerator using R290/R600a (55/45)

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dc.contributor.authorLee, Moo-Yeon-
dc.contributor.authorLee, Dong-Yeon-
dc.contributor.authorKim, Yongchan-
dc.date.accessioned2021-09-09T07:43:24Z-
dc.date.available2021-09-09T07:43:24Z-
dc.date.created2021-06-10-
dc.date.issued2008-06-
dc.identifier.issn0140-7007-
dc.identifier.urihttps://scholar.korea.ac.kr/handle/2021.sw.korea/123418-
dc.description.abstractIn this study, the performance of a small-capacity directly cooled refrigerator was evaluated by using the mixture of R290 and R600a with mass fraction of 55:45 as an alternative to R134a. The compressor displacement volume of the alternative system with R290/R600a (55/45) was modified from that of the original system with R134a to match the refrigeration capacity. Both systems with R290/R600a (55/45) and R134a were tested, and then optimized by varying the refrigerant charge and capillary tube length under experimental conditions for both the pull-down test and the power consumption test. The refrigerant charge of the optimized R290/R600a system was approximately 50% of that of the optimized R134a system. The capillary tube lengths for each evaporator in the optimized R290/R600a system were 500 mm longer than those in the optimized R134a system. The power consumption of the optimized R134a system was 12.3% higher than that of the optimized R290/R600a system. The cooling speed of the optimized R290/R600a (55/45) system at the in-case setting temperature of -15 degrees C was improved by 28.8% over that of the optimized R134a system. (C) 2007 Elsevier Ltd and IIR. All rights reserved.-
dc.languageEnglish-
dc.language.isoen-
dc.publisherELSEVIER SCI LTD-
dc.subjectDOMESTIC REFRIGERATORS-
dc.subjectMIXTURES-
dc.subjectISOBUTANE-
dc.subjectHFC-134A-
dc.subjectPROPANE-
dc.titlePerformance characteristics of a small-capacity directly cooled refrigerator using R290/R600a (55/45)-
dc.typeArticle-
dc.contributor.affiliatedAuthorKim, Yongchan-
dc.identifier.doi10.1016/j.ijrefrig.2007.11.014-
dc.identifier.scopusid2-s2.0-44449161887-
dc.identifier.wosid000257361700018-
dc.identifier.bibliographicCitationINTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID, v.31, no.4, pp.734 - 741-
dc.relation.isPartOfINTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID-
dc.citation.titleINTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID-
dc.citation.volume31-
dc.citation.number4-
dc.citation.startPage734-
dc.citation.endPage741-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaThermodynamics-
dc.relation.journalResearchAreaEngineering-
dc.relation.journalWebOfScienceCategoryThermodynamics-
dc.relation.journalWebOfScienceCategoryEngineering, Mechanical-
dc.subject.keywordPlusDOMESTIC REFRIGERATORS-
dc.subject.keywordPlusMIXTURES-
dc.subject.keywordPlusISOBUTANE-
dc.subject.keywordPlusHFC-134A-
dc.subject.keywordPlusPROPANE-
dc.subject.keywordAuthordomestic refrigerator-
dc.subject.keywordAuthorbinary mixture-
dc.subject.keywordAuthorpropane-
dc.subject.keywordAuthorisobutane-
dc.subject.keywordAuthorexperiment-
dc.subject.keywordAuthorcomparison-
dc.subject.keywordAuthorR134a-
dc.subject.keywordAuthorperformance-
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