Title of article :
Magnetohydrodynamicinstabilityinannularlinearinductionpump:PartI.ExperimentandnumericalanalysisOriginalResearchArticle
Author/Authors :
HideoAraseki، نويسنده , , IgorR.Kirillov، نويسنده , , GennadyV.Preslitsky، نويسنده , , AnatolyP.Ogorodnikov، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2004
Abstract :
Thepresentpaperdescribesanexperimentalandanalyticalstudyofthemagnetohydrodynamicinstabilityarisinginanannularlinearinductionpump.Intheexperiment,theinstabilitywasinvestigatedindetailusinganelectromagneticpumpofflowrate7m3/min.TheexperimentalresultsshowthattheinstabilityoccurswhenthemagneticReynoldsnumberislargerthanunityandtheinstabilitybecomesmoreintensiveastheslipincreases.Theinstabilityischaracterizedbylowfrequencypressurepulsation,non-uniformmagneticfieldalongtheazimuth,wide-frequencyvibrationofthepumpandpipe,fluctuationofwindingvoltageandcurrent.ThenumericalanalysisrevealsthatwhenthemagneticReynoldsnumberislargerthanunity,anazimuthalnon-uniformityoftheappliedmagneticfieldorofthesodiuminletvelocitybringsaboutsodiumvorticesandhencealowfrequencypressurepulsationoccurs.Inaddition,thenon-uniformitycausesadecreaseofthedevelopedpressureandsometimesadipontheP–Qcurve.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
