Nucleate Pool Boiling Heat Transfer of Pure Refrigerants and Binary Mixtures

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摘要 HeattransfercoefficientsinnucleateboilingonasmoothflatsurfaceweremeasuredforpurefluidsofR-134a,propane,isobutaneandtheirbinarymixturesatdifferentpressurefrom0.1to0.6MPa.Seriesofexperimentswithdifferentheatfluxandmixtureconcentrationswerecarriedout.Theinfluencesofpressureandheatfluxontheheattransfercoefficientfordifferentpurefluidswerestudied.Isobutaneandpropanewereusedtomakeupbinarymixtures.Comparedtothepurecomponents,binarymixturesshowlowerheattransfercoefficients.Thisreductionwasmorepronouncedastheheatfluxincreasing.Severalheattransfercorrelationsareobtainedfordifferentpurerefrigerantsandtheirbinarymixtures.
机构地区 不详
出版日期 2004年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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