Title of article :
Magnetohydrodynamicinstabilityinannularlinearinductionpump:PartII.SuppressionofinstabilitybyphaseshiftOriginalResearchArticle
Author/Authors :
HideoAraseki، نويسنده , , IgorR.Kirillov، نويسنده , , GennadyV.Preslitsky، نويسنده , , AnatolyP.Ogorodnikov، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2006
Abstract :
Inthepreviouswork,theauthorsshowedsomedetailedaspectsofthemagnetohydrodynamicinstabilityarisinginanannularlinearinductionpump:theinstabilityisaccompaniedwithalowfrequencypressurepulsationintherangeof0–10HzwhenthemagneticReynoldsnumberislargerthanunity;thelowfrequencypressurepulsationisproducedbythesodiumvorticesthatcomefromsomeazimuthalnon-uniformityoftheappliedmagneticfieldorofthesodiuminletvelocity.Inthepresentwork,anexperimentandanumericalanalysisarecarriedouttoverifythepumpwindingphaseshiftthatisexpectedasaneffectivewaytosuppresstheinstability.Theexperimentaldatashowsthatthephaseshiftsuppressestheinstabilityunlesstheslipvalueissohigh,butbringsaboutadecreaseofthedevelopedpressure.Thenumericalresultsindicatethatthephaseshiftcausesalocaldecreaseoftheelectromagneticforce,whichresultsinthesuppressionoftheinstabilityandthedecreaseofthedevelopedpressure.Inaddition,itisexhibitedthattheintensityofthedouble-supply-frequencypressurepulsationisinnearlythesamelevelinthecasewithandwithoutthephaseshift.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
