Title of article
EffectsofflowobstaclesonfilmboilingheattransferOriginalResearchArticle
Author/Authors
S.W.Peng، نويسنده , , Remi Revellin، نويسنده , , D.C.Groeneveld، نويسنده , , A.Z.Vasic، نويسنده , , D.Shang، نويسنده , , S.C.Cheng، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2003
Pages
7
From page
89
To page
95
Abstract
TheeffectofflowobstaclesonfilmboilingheattransferinaverticalupwardtubeisinvestigatedexperimentallyusingR134aasacoolant.Theresultsshowthatflowobstaclesenhanceheattransferdownstreamoftheobstacleandpromoterewettingtooccurinthisregion.Therewettingzoneisfoundtoincreasewithadecreaseinqualityattheobstaclelocation,andwithanincreaseinmassflux,buttheeffectofpressureisinconclusive.Therewettingeffectisstrongestneartheobstaclelocation,andweakenswithdistancefromtheobstacle,i.e.atlocationsaxiallydownstreamfromtheobstacleandcircumferentiallyawayfromtheobstacle.Thecharacteristictimeisfoundtobeagoodcorrelatingfactortocharacterizetheeffectofmassflux.Thepredictionfromthepost-dryoutlook-uptable,afterapplyingtheappropriatefluid-to-fluidmodelingtechnique,isinreasonableagreementwiththeexperimentalresults.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2003
Journal title
Nuclear Engineering and Design Eslah
Record number
894530
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