Title of article :
Effectofinterfacialwavymotiononfilmboilingheattransferfromisothermaldownward-facinghemispheresOriginalResearchArticle
Author/Authors :
ChansooKim، نويسنده , , KuneY.Suh، نويسنده , , JoyL.Rempe، نويسنده , , FanB.Cheung، نويسنده , , SangB.Kim، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2005
Pages :
14
From page :
2141
To page :
2154
Abstract :
Filmboilingheattransfercoefficientsforadownward-facinghemisphericalsurfacearemeasuredfromthequenchingtestsinDownward-BoilingExperimentLaminarTransitionApparatus(DELTA).TwotestsectionsaremadeofcoppertomaintainlowBiotnumbers.Theouterdiametersofthehemispheresare120and294mm,respectively.Thethicknessofallthetestsectionsis30mm.Theeffectofdiameteronfilmboilingheattransferisquantifiedutilizingresultsobtainedfromthetestsections.Themeasureddataarecomparedwiththenumericalpredictionsfromlaminarfilmboilinganalysis.ThemeasuredheattransfercoefficientsarefoundtobegreaterthanthosepredictedbytheconventionallaminarflowtheoryonaccountoftheinterfacialwavymotionincurredbytheHelmholtzinstability.Incorporationofthewavymotionmodelconsiderablyimprovestheagreementbetweentheexperimentalandnumericalresultsintermsofheattransfercoefficient.Inaddition,thefilmboilingwasvisualizedusingadigitalcamera.
Journal title :
Nuclear Engineering and Design Eslah
Serial Year :
2005
Journal title :
Nuclear Engineering and Design Eslah
Record number :
895934
Link To Document :
https://search.isc.ac/dl/search/defaultta.aspx?DTC=10&DC=895934
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