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1、“法律服务进基层”活动总结12月8日,随着第三期法律知识培训在少林服务区举办,少新管理处XX年“法律服务进基层”系列培训活动圆满结束高比转数双蜗壳混流泵设计及流动特性分析高比转数双蜗壳混流泵设计及流动特性分析泵;优化;设计;高比转数;双蜗壳;流动特性;径向力Designandinternalflowfieldanalysisofhighspecificmixed-flowpumpwithdoublevolutesShiWei1,2,LiYanjun1,YuanShouqi1,DengDongsheng2,LiuJun2,ZhangDa
2、qing1(1.NationalResearchCenterofPumps,JiangsuUniversity,Zhenjiang,China;2.JiangsuWaterSourceCo.,Ltd.oftheEasternRouteofSouth-to-NorthWaterDivision,Nanjing,China)Abstract:Globalenergyissuesaffecttheeconomicdevelopment,itisthebaseofimprovingnationalstandardoflivingconditi
3、ons.Accordingtoincompletestatistics,powerconsumptionofpumpsaccountapproximately17%oftotalgeneratingcapacity.Therebyincreasingtheefficiencyofthepumpis特邀省委党校教授进行授课,以“用社会主义核心价值观凝心聚力”为主题,系统阐释了社会主义核心价值观的基本内涵、重要意义和实践路径“法律服务进基层”活动总结12月8日,随着第三期法律知识培训在少林服务区举办,少新管理处XX年“法律服务进基层”系列
4、培训活动圆满结束necessarytoenergyconservationwhichalsohasaveryimportantsignificanceoncreatingaresource-savingsociety.Mixed-flowpumpsaremoreandmorewidelyappliedtoindustrialandagriculturalproduction,therequirementoftheperformanceofthemixed-flowpumpbecomeincreasinglyhigh.Whenthewo
5、rkingconditiondeviatesfromthedesignedcondition,theflowfiledatimpelleroutletdoesnotmatchwellwiththeflowfieldatvoluteinlet,whichwillleadtotheefficiencydropofmixed-flowpump.Reasonabledesignofmixed-flowpumpimpellerandvolutecanimprovethedistributionofflowfield,andthenimprove
6、thehydraulicperformanceofthemixed-flowpump.Basedontheoreticalanalysis,numericalsimulationandmodelexperimentresearchmethods,impellerandvolutematchingoptimizationofhighspecificmixed-flowpumpwithvolutewereconducted.Thispaperdevelopedahigh-performancemixed-flowpumpmodelwith
7、doublevoluteswhosensequalsto585withthetargetofperfectmatchbetweenimpellerandvoluteunderdifferentflowrateconditions.Thefullthree-dimensionalnumericalcalculationinternalflow特邀省委党校教授进行授课,以“用社会主义核心价值观凝心聚力”为主题,系统阐释了社会主义核心价值观的基本内涵、重要意义和实践路径“法律服务进基层”活动总结12月8日,随着第三期法律知识培训在少林服务区
8、举办,少新管理处XX年“法律服务进基层”系列培训活动圆满结束fieldandradialforceoftheoptimaldesignedhighspecificspeedmixed-flowpumpwithdouble