高比转速混流泵叶轮设计方法

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1、Seediscussions,stats,andauthorprofilesforthispublicationat:https://www.researchgate.net/publication/292628970Designmethodforimpellerofhighspecificspeedmixed-flowpumpArticleinJiangsuDaxueXuebao(ZiranKexueBan)/JournalofJiangsuUniversity(NaturalScienceEdition)·May2005CIT

2、ATIONSREADS19654authors,including:BaoshanZhuTsinghuaUniversity109PUBLICATIONS698CITATIONSSEEPROFILESomeoftheauthorsofthispublicationarealsoworkingontheserelatedprojects:fluidmachineryViewprojectComputaionalFluidDynamicsViewprojectAllcontentfollowingthispagewasupload

3、edbyBaoshanZhuon02February2016.Theuserhasrequestedenhancementofthedownloadedfile.第26卷第3期江苏大学学报(自然科学版)Vo.l26No.32005年5月JournalofJiangsuUniversity(NaturalScienceEdition)May2005高比转速混流泵叶轮设计方法1112曹树良,梁莉,祝宝山,陆力(1.清华大学热能工程系,北京100084;2.中国水利水电科学研究院机电所,北京100038)摘要:基于二元理论,用FOR

4、TRAN语言编程实现了高比转速混流泵叶轮的水力设计.给出采用流线迭代法求解轴面流动,应用逐点积分法进行叶片绘形,在轴面上进行叶片加厚和在保角变换平面上进行叶片头部、尾部修圆的基本理论和方法;讨论了轮毂比、速度矩分布函数、叶片进出口边位置等对设计计算结果的影响.该方法有效地提高了设计效率,具有设计计算精度高、得到的叶片表面光滑、叶片表面数据齐全、便于数控机床加工制造等特点,为高比转速混流泵系列叶轮的研发提供了一个平台.关键词:混流泵;二元理论;叶轮设计;CAD中图分类号:TH313文献标识码:A文章编号:1671-7775(20

5、05)03-0185-04Designmethodformipellerofhighspecificspeedmixed-flowpump1112CAOShu-liang,LIANGLi,ZHUBao-shan,LULi(1.DepartmentofThermalEngineering,TsinghuaUniversity,Beijing100084,China;2.HydraulicMachineryDepartment,ChinaInstituteofWaterResourcesandHydropowerResearch,

6、Beijing100038,China)Abstract:Basedonthetwo-dimensiontheory,acomputercodeismadeinFORTRANlanguagetodesignthehighspecificspeedmixed-flowpump.Thetheoryandmethodincalculatingmeridionalvelocitydistri-butionbystreamlineiteration,drawingbladeshapebypoint-by-pointintegration

7、,thickeningbladeandsmoothingleadingedgeandtrailingedgeofthebladebyconformalmappingareintroduced.Theeffectsofseveralparametersonthedesignedimpellershapearealsodiscussed,includinghub/shroudradiusratio,velocitymomentdistributionfunctiononthemeridionalstreamline,positio

8、nofbladeinletandoutletedge.Thiscomputercodecanincreasetheefficiencyofdesignworkandtheaccuracyofcalculatingre-sults.Thedataoftheblade’ssurf