Title of article :
Experimentalandempiricalstudyofsteamcondensationheattransferwithanoncondensablegasinasmall-diameterverticaltubeOriginalResearchArticle
Author/Authors :
Kwon-YeongLee، نويسنده , , MooHwanKim، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
Anexperimentalstudywasperformedtoinvestigatelocalcondensationheattransfercoefficientsinthepresenceofanoncondensablegasinsideaverticaltube.Thedataobtainedfrompuresteamandsteam/nitrogenmixturecondensationexperimentswerecomparedtostudytheeffectsofnoncondensablenitrogengasontheannularfilmcondensationphenomena.Thecondensertubehadarelativelysmallinnerdiameterof13mm(about1/2-in.).Theexperimentalresultsdemonstratedthatthelocalheattransfercoefficientsincreasedastheinletsteamflowrateincreasedandtheinletnitrogengasmassfractiondecreased.Theresultsobtainedusingpuresteamandasteam/nitrogenmixturewithalowinletnitrogengasmassfractionweresimilar.Therefore,theeffectsofnoncondensablegasonsteamcondensationwereweakinsmall-diametercondensertubes.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
