Title of article
MechanismanalysisonflowexcursionofanaturalcirculationwithlowsteamqualityOriginalResearchArticle
Author/Authors
X.T.Yang، نويسنده , , S.Y.Jiang، نويسنده , , Y.J.Zhang، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2005
Pages
16
From page
2391
To page
2406
Abstract
FlowexcursionwasobservedonthenaturalcirculationtestloopHRTL-5,whichsimulatesthegeometryandsystemdesignofthe5MWnuclearheatingreactor.Bymeansofself-developedcomputationalcodes,asetoftoolsusedforanalyzingtheflowcharacteristicsofthenaturalcirculationhavebeenpresented,includingthecharacteristiccurves,operationalcurveandthebifurcationcurve.Thetwo-dimensionaldisturbanceanalysisisadoptedtoexplainthemechanismoftheflowexcursion.Analyticalresultshows:(1)flowexcursioncanoccurinanaturalcirculationsystematasuitablegeometryandthermal–hydraulicconditions.(2)Characteristiccurves,operationalcurve,bifurcationcurve,andthetwo-dimensionaldisturbanceanalysisaretheavailablemethodtoanalyzetheflowexcursionofthenaturalcirculation.(3)Theflowexcursionispriortothelowsteamqualitydensitywaveoscillation.(4)Theonsetoftheflowexcursionisthetangencypointofthedriveforcecurveandtheflowresistancecurve.(5)Tooperateatlowheatfluxtoincreasetheinlettemperatureistheeffectualapproachtotransferfromthepressurizedwaterstatetotheboilingwaterstate,inwhichtheflowexcursionandthelowsteamqualitydensitywaveoscillationcanbeavoided.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2005
Journal title
Nuclear Engineering and Design Eslah
Record number
895952
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