BM 带小叶片的高压比压气机叶轮设计BladeGen实例.ppt

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1、BladeGenHPCompressorImpellerwithSplitter带小叶片的高压比压气机叶轮Concepts概念Inthistutorialwewill:InputinitialdesignparametersInputinitialangle/thicknessparametersOptimizethemeridionalviewAdjustthebladeanglesDefinetheshapeofLEandTESaveyourworkInitialDesignParameters初始化设计参数CFX-BladeGenallowstheusertocreateablades

2、ystemfromscratch,usingoneofsixstandardinitialconfigurationtypes.Forthisexample,aRadialImpellerisused.SelecttheFile

3、New

4、CFX-BladeGenModelmenucommandortoolbarbuttonwhichwilldisplaytheInitialMeridionalConfigurationDialogSelecttheRadialImpellertabEntertheparametersfortheinitialbladelayout(shownonthefol

5、lowingslide).BesuretoselectAng/ThkmodeinthebottomrightcornerPressEnterorselecttheOKbuttontocontinueDesignParameters设计参数定义DesignparameterstobeenteredfortheRadialImpellerTemplate:InitialAngle/Thickness叶角和厚度初始定义EnterInitialAngle/ThicknessParameters:Nominalwrapangleof85°包角85°Thicknessof3mmNumberofblade

6、s:6ClickOKMeridionalViewOptimization子午面视图优化OptimizingtheMeridionalView优化子午面视图InletandOutletlocation(points)havetobeadjustedinordertoextendtheinletinupstreamandtheoutletindownstreamdirection延长进出口InletandOutletModification进出口修改Doubleclicktheshroudinletpoint(topleft)Enter-45and69forthehorizontalandver

7、ticalvalues.ClickOK.Forthehubinletpoint(bottomleft),enter:-45and30ClickOKFortheshroudoutletpoint(topleft),enter:82and175ClickOKForthehuboutletpoint(topright),enter:86.5and175ClickOKBladeAnglesattheHub轮毂叶角TheHubLayerisactivebydefault(reddot)Right-clickintheAngleviewandselect:AdjustBladeAnglesIntheLe

8、adingEdgetab,enter40ºfortheBetavalue.Tang.Betaautomaticallybecomes50º.Leavealltheothervaluesastheyare.IntheTrailingEdgetab,enteraBetaangleof30º.LeaveThetaangle85ºClickOKBladeAnglesattheShroud机匣叶角ActivatetheShroudLayerbyclickingtheblackdotatthetopofthelayercolumn(itwillbecomered)Right-clickintheAngl

9、eviewandselect:AdjustBladeAnglesIntheLeadingEdgetab,enter62.5ºfortheBetavalue.Leavealltheothervaluesastheyare.IntheTrailingEdgetab,enteraBetaangleof30ºandThetavalueto84º.Leaveallothervaluesastheyare.ClickOK