Title of article :
Studyontheflow-pattern-transitioninstabilityinanaturalcirculationheavywatermoderatedboilinglightwatercooledreactorOriginalResearchArticle
Author/Authors :
A.K.Nayak، نويسنده , , P.K.Vijayan، نويسنده , , V.Jain، نويسنده , , D.Saha، نويسنده , , R.K.Sinha، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2003
Abstract :
Amathematicalmodelhasbeendevelopedtostudytheflowpatterntransitioninstabilitywhichmayoccurinaboilingtwo-phasesystem.Themodelconsidersflowpatterntransitioncriteriaforverticalupwardandhorizontalflowinpipestoidentifytheflowpatterntransitionandflowpatternspecificpressuredropmodels.Italsoconsidersthedriftfluxmodeltoestimatethevoidfractioninthetwo-phaseregion.Themodelhasbeenappliedtopredicttheflowpatterntransitioninstabilityinanaturalcirculationheavywatermoderatedboilinglightwatercooledreactor.ItisfoundthattheinstabilitycharacteristicsissimilartothatoftheLedinegg-typeinstability.However,thenumberofmultiplesteadystatesforagivenoperatingpowercanbemuchlargerintheflowpatterntransitioninstabilityascomparedtothatoftheLedinegg-typeinstability.StabilitymapswereplottedandcomparedforboththeflowpatterntransitioninstabilityandthatoftheLedinegg-typeinstability.Theinfluenceofvariousgeometricandoperatingparametersonthisinstabilitywereinvestigated.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
