Title of article
Dynamicanalysisoftheclosed-looptransferfunctionintheminiatureneutronsourcereactor(MNSR)OriginalResearchArticle
Author/Authors
A.Hainoun، نويسنده , , I.Khamis، نويسنده , , G.Saba، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
10
From page
19
To page
28
Abstract
Theclosed-looptransferfunctionofSyrianminiatureneutronsourcereactor(MNSR)hasbeenmeasuredexperimentallyusingthepromptjumpapproximationtechnique.Analysingthereactorstabilitybehaviour,aphysicalmodelhasbeenformulatedbasedontheopen-loop(neutronics)transferfunctionemployingthelumpedparameterconcepttodescribethereactorthermohydrauliccharacteristics.Thereactorkineticsisdescribedbythepointkineticmodelforone-groupofdelayedneutrons.Inherentinternalfeedbackeffectisconsideredasasinglereactivityfeedbackthatrepresentsthecoolanttemperatureeffect.Comparisonoftheanalyticallyderivedtransfer-functionwiththeexperimentaloneshowsgoodagreement.Stabilityanalysisoftheclosed-looptransferfunctionhasbeenmadeusingtheNyquistcriterionandBodediagram.Routh–HurwitzcriterionhasbeenappliedtoestimatethestabilitylimitoftheMNSRclosed-loop.TheNyquistandBodecriteriahaveshownthattheMNSRclosed-looptransferfunctionisindeedstable.TheRouth–Hurwitzcriterionenabledtheestimationoftheupperlimitoftemperaturefeedbackcoefficientofreactivity.ResultsindicatethatMNSRhashighinherentlysafetyfeatures.Variousrelationshipsthatgovernrelationamongstreactorvariablessuchastheisothermalreactivitycoefficientofmoderatortemperature,temperaturedifferenceacrossthecoreandcoolantflowrateofthenaturalcirculationandmeantimeforheattransfertothecoolanthavebeenconcluded.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894774
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