Title of article :
Simulationsofturbulence,heattransferandmixingacrossnarrowgapsbetweenrod-bundlesubchannelsOriginalResearchArticle
Author/Authors :
D.Chang، نويسنده , , S.Tavoularis، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
Turbulentflowandtemperaturefieldsweredeterminednumericallyinarectangularductcontainingaheatedrod.Asthespacingδbetweentherodandtheductwalldecreasedfrom0.10D(Distheroddiameter)to0.03D,coherentturbulentkineticenergyandtemperaturefluctuationsdramaticallyincreasedinthegapregion,but,forδ=0.01D,coherentfluctuationsessentiallydisappeared.Asδ/D→0,thefrequencyofcoherentfluctuationsdecreasedandcross-gapmixingweakened,contrarytopredictionsbasedonextrapolatedavailableempiricalcorrelations.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
