Numerical Study of a High Head Francis Turbinewith Measurements from the Francis-99 Project高水头Francis Turbine的数值研究 从弗朗西斯-99项目的测量

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1、JournalofPhysics:ConferenceSeriesOPENACCESSRelatedcontent-Applicationofthenon-linearharmonicNumericalStudyofaHighHeadFrancisTurbinemethodtostudytherotor-statorinteractioninFrancis-99testcasewithMeasurementsfromtheFrancis-99ProjectJDBuron,SHoude,RLestriezeta

2、l.-PredictionofdynamicbladeloadingoftheFrancis-99turbineTocitethisarticle:HWallimannandRNeubauer2015J.Phys.:Conf.Ser.579012003JNicolleandSCupillard-NumericalsimulationofflowinahighheadFrancisturbinewithpredictionofefficiency,rotorstatorinteractionandvortexs

3、tructuresinthedrafttubeViewthearticleonlineforupdatesandenhancements.DJošt,AŠkerlavaj,MMorgutetal.Recentcitations-ExperimentalandNumericalStudiesofaHigh-HeadFrancisTurbine:AReviewoftheFrancis-99TestCaseChiragTrivedietalThiscontentwasdownloadedfromIPaddress6

4、1.174.131.57on12/08/2018at05:35Francis-99Workshop1:steadyoperationofFrancisturbinesIOPPublishingJournalofPhysics:ConferenceSeries579(2015)012003doi:10.1088/1742-6596/579/1/012003NumericalStudyofaHighHeadFrancisTurbinewithMeasurementsfromtheFrancis-99Project

5、H.WallimannandR.NeubauerAndritzHydroAG,Hardstrasse319,8021Zürich,SwitzerlandE-mail:Henrik.Wallimann@andritz.comAbstract.FortheFrancis-99projectinitiatedbytheNorwegianUniversityofScienceandTechnology(NTNU,Norway)andtheLuleåUniversityofTechnology(LTU,Sweden)n

6、umericalflowsimulationhasbeenperformedandtheresultscomparedtoexperimentallyobtaineddata.Thefullmachineincludingspiralcasing,stayvanes,guidevanes,runneranddrafttubewassimulatedtransientforthreeoperatingpointsdefinedbytheFrancis-99organisers.Twosetsofresultsw

7、erecreatedwithdifferingtimesteps.Additionally,areduceddomainwassimulatedinastationarymannertocreateacompletecutalongconstantprototypeheadandconstantprototypedischarge.Theefficiencyvaluesandshapeofthecurveshavebeeninvestigatedandcomparedtotheexperimentaldata

8、.Specialattentionhasbeengiventorotorstatorinteraction(RSI).SignalsfromseveralprobesandtheircounterpartinthesimulationhavebeenprocessedtoevaluatethepressurefluctuationsoccurringduetotheRSI.Thedirectcomp