帶分流葉片離心泵的逆向開發(fā)及內部流動數(shù)值模擬分析.pdf

1、江蘇大學碩士學位論文帶分流葉片離心泵的逆向開發(fā)及內部流動數(shù)值模擬分析姓名：江杰申請學位級別：碩士專業(yè)：機械制造及其自動化指導教師：任乃飛20100610江蘇大學碩士學位論文LowspecificspeedcentrifugalpumpiswidelyappliedinvariousfieldsofnationaleconomyButithasthedisadvantagesoflowefficiencyeasytobeoverloade

2、dunderlargeflowratecondition，andunstableheadflowcurveandSOonInordertosolvetheseproblems，adoptingsplitterbladesbetweentwolongbladesisoneofthemosteffectivemethodsThoughsplitterbladesCallimprovetheperformanceofcentrifugalpu

3、mps，themechanismofsplitterbladeshavenotbeenmasteredbyresearchersInaddition，thedesignparametersofcentrifugalimpellerwithsplitterbladesareinfluencedbymanyfactorsandamaturesystemdesignisnotyetformedThetraditionalirrigationd

4、esignisdependonexperience，soitsdevelopmentneedslongcycleandhighcoStSanditisdifficulttoadapttofiercecompetitioninthemarketInordertoSOlvetheseproblems，reverseengineering，numericalsimulationofCFDandperformancetestsareadopte

5、dtostudythecentrifugalpumps耐nlsplitterbladesBasedonagoodsplitterbladeimpellerhi曲performancelowspecificspeedcentrifugalpumpscanbedevelopedeasily，theproductdevelopmentcyclecanbeeffectivelyshortenanditalSOcanreducethecostof

6、impellerdesignThesehavestrongpracticalvalueinengineeringAtthesametime，analysisofinternalflowcombinationofexperimentalresearchnumericalsimulationandagoodsplitterbladeimpellerhasimportantvaluetoexploretheinternalflowmechan

7、ismandtheaffectonpumpperformanceaboutsplitterbladesItalsohasastrongvalueforfutureresearchandoptimizationThemainworkandachievementsareasfollows：ThemodelstudiedisanIS80—50200pumpUndertheideologicalguidanceinthereverseengin

8、eering，thedateofimpellerismeasuredbyATOSmobileopticalscallnerandthethree—dimensionalmodelofpumpimpellerisreconstructedbyCATIAInthisprocess，involvingdatameasurementmethodthepointcloudpreprocessingandmodelreconstructionmet