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
Pages
14
From page
159
To page
172
Abstract
Amathematicalmodelhasbeendevelopedtostudytheflowpatterntransitioninstabilitywhichmayoccurinaboilingtwo-phasesystem.Themodelconsidersflowpatterntransitioncriteriaforverticalupwardandhorizontalflowinpipestoidentifytheflowpatterntransitionandflowpatternspecificpressuredropmodels.Italsoconsidersthedriftfluxmodeltoestimatethevoidfractioninthetwo-phaseregion.Themodelhasbeenappliedtopredicttheflowpatterntransitioninstabilityinanaturalcirculationheavywatermoderatedboilinglightwatercooledreactor.ItisfoundthattheinstabilitycharacteristicsissimilartothatoftheLedinegg-typeinstability.However,thenumberofmultiplesteadystatesforagivenoperatingpowercanbemuchlargerintheflowpatterntransitioninstabilityascomparedtothatoftheLedinegg-typeinstability.StabilitymapswereplottedandcomparedforboththeflowpatterntransitioninstabilityandthatoftheLedinegg-typeinstability.Theinfluenceofvariousgeometricandoperatingparametersonthisinstabilitywereinvestigated.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2003
Journal title
Nuclear Engineering and Design Eslah
Record number
894604
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