—1—2022年第12期黑龙江水利科技No.12.2022（第50卷）HeilongjiangHydraulicScienceandTechnology（TotalNo.50）立式轴流泵装置流道内流分析及性能预测王强1，林智康2，袁尧3，陈玉龙4，杨帆2（1.常州市水利规划设计院，江苏常州213002；2.扬州大学水利科学与工程学院，江苏扬州225009；3.江苏省水利科学研究院，南京210000；4.常州市水利建设投资开发有限公司，江苏常州213000）文章编号:1007-7596（2022）12-0001-04InternalFlowAnalysisandPerformancePredictionofVerticalInternalFlowAnalysisandPerformancePredictionofVerticalAxialFlowPumpDeviceAxialFlowPumpDeviceWANGQiang1;LINZhi-kang2;YUANYao3;CHENYu-long4;andYANGFan2(1.ChangzhouWaterResourcesPlanningandDesignInstitute,Changzhou213002,China;2.CollegeofHydraulicScienceandEngineering,YangzhouUniversity,Yangzhou225009,China;3.JiangsuProvincialWaterConservancyScienceResearchInstitute,Nanjing210000,China;4.ChangzhouUrbanWaterConservancyConstructionInvestmentandDevelopmentCo.,Ltd.,Changzhou213000,China)Abstract:Inordertoclarifytheinternalflowlawandenergyperformanceoftheverticalaxialflowpumpdevice,takingtheone-waypumpunitofWeicunHubExpensionandReconstrucutionProjectasanexample,thenumericalsimulationtechnologywasusedtocalculatethewholeflowchannelofthepumpdevice,andtheinternalflowcharacteristicsoftheinletandoutletflowchannelatthedesignheadof4.71mwereanalyzed.Theresultsshowthattheuniformityofaxialvelocitydistributionontheoutletsurfaceoftheboxculvertinletis95.04%,theweightedaverageangleofvelocityis87.27°,andthehydrauliclossoftheflowchannelis0.219matthedesignhead.Thehydrauliclossofvoluteoutletis0.564m;theinternalflowpatternoftheinletandoutletchannelisgood,whichmeetstherequirementsofefficientandstableoperationofthepumpdevice.Theaxialflowpumpdevice摘要：为明确立式轴流泵装置流道内部流动规律及泵装置的能量性能，以魏村水利枢纽扩容改建泵站工程的单向立式泵站为研究对象，采用数值模拟技术对该单向泵装置全流道进行计算，分析了设计扬程4.71m时箱涵式进水流道和蜗壳式出水流道的内流特征。结果表明：在设计扬程时，箱涵式进水流道出口面的轴向流速分布均匀度为95.04%，速度加权平均角...
