防水锤球形止回阀流场数值模拟和试验研究

:100225855(2006)0420014204:(1969-),,,,,CADCFD,,,(,610039)PRO/E,GAMBIT,FLUENT,,,CAD/CFD,;,;;CFD;k-:TH134:AThestudyaboutnumericalsimulationandexaminationforflowfieldanti2waterhammersphericalcheckvalveDUQiang,CHENCi2chang,JIQuan2kai,LAIBang2nan(CollegeofEnergyandEnvironmentEngineering,XihuaUnivercity,Chengdu610039,China)Abstract:Theflowpassagesofthecheckvalvearesculptedinthepaperwiththesoftware(PRO/E)usingforsculpting,thenthewholesculptedresultswillbeguidedintoGAMBITandplottedgrid,theflowunderseveralkindsvelocityofflowiscalculatedbyFLUENT,andrelevantexperimentisputup,whichsupplycorrelateddataandimproveddirectionforthenextdesignation.Throughcompar2ingthecalculatedconsultwiththecheckvalvewhichitsplankwillbeopenedbyrevolvingunderwork2ingwiththesamecondition,thetheorywhichmultipleflowpassagesvalveandmultiplespheresapplytodesignisprovedtobecorrectintheaspectswhichdiminishresistanceandavoidwaterhammer.Keywords:waterhammer;multipleflowpassagessphericalcheckvalve;CFD;k-turbulencemodel1,,,,,,,,,1,,,CFD,CFD,,,,,CFD4120064©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1),,,2:5u5x+5v5y+5w5z=0(1)(1)uvw,,2:5(u)5t+div(uu)=div(gradu)-5p5x+Fx(2)5(v)5t+div(vu)=div(gradv)-5p5y+Fy(3)5(w)5t+div(wu)=div(gradw)-5p5z+Fz(4)k-,,,k-3:5(k)5t+5(kui)5xi=55xj+tk5k5xj+Gk-(5)5()5t+5(ui)5xi=55xj+t55xj+C1kGk-C22k(6)(2)(),,,3,SIMPLEPro/EngineerWildfire210(3)()1201,,,,,Pro/E2,,100mm,2,1stp11213141516171819110111112111202,Pro/EGambit,,Fluent1msh,Fluent15120064©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(Pmin-Pmax)kPa(Pmin-Pmax)kPakPa019-01870146-016801520142210-41272128-313221562106310-91595113-714151774161316-131817139-1016281316162418-2415613115-1818414177111761/3310-941730166-80185512930115316-1361300195-116136716643141418-2431350165-20719212168771212/3310-321410162-2518211226176316-461670190-37120814018124418-821971161-66123311617134,,,,()120(3),,,,,,,,3120120(4),,,,,,,,,,,4120212(DN300mm)(019m/s210m/s310m/s316m/s)(019m/s210m/s310m/s316m/s418m/s),5,4,2=2ghjv2(7)hj()v6120064©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(kPa)V(m/s)hj014201911032106210110341613101103616331611021117741811021/3711131011581012431611581811941811582/341923101109710831611091215841811095,(v110m/s),,,,,v110m/s,,,,,3,(3),H44X-10240kPa,-18kPaFWJQH45X-10148kPa,16kPa,FWJQH45X-10H44X-10,H44X-10FWJQH45X-1067370kPam/skPakPakPakPa31010943//31612335//41814816240-186H44X-107FWJQH45X-1067(38)7120064©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,1992.2.M.:,1999.3.M.:,1997.4.M:,1997.(:2006101117)(17),,4Pro/ECFDFLUENT,FWJQH45X-10,,,,,,CFD,,,,,,,,,1,,.M.,1998.2.M.:,1982.3.M.:,2004.4,.M.:,2002.(:2006104125)8320064©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.