:100225855(2008)0120010205:(1976-),,,,,(,730050),,,,,;;;;:TP391:ATheapplicationofvirtualrealitytechnologyinvalvedesignYULong,YUShu2rong,LIShu2xin(LanzhouUniversityofTechnology,Lanzhou730050,China)Abstract:Virtualrealitytechnologyhasbeenwidelyusedinengineeringstructuredesignandmanu2factureduetoitshighefficiencyandobviouscharacteristicswhicharedifferentfromtraditionalway.Thepapergaveadetailedintroductionofitsapplicationinvalvedesign.Avirtualexperimentwascon2ductedtocalculatetheextremestressinordertooptimizethevalvestructure.Stressconcentrationofopeningsonvalveisdiscussedandtherelationshipbetweensealingfaceandsealpressureisestablishedbyemployingeffectivesealpressure.Thesimulationresultsshowthatthevirtualrealitytechnologycanprovideaquantitativeevaluationforvalvestrengthandsealproperties,whichisnecessaryforvalvedesignboththeoreticallyandpractically.Keywords:virtualreality;simulation;valve;FEM;seal1(virtualreality,VR),VR,,,,,,,2,,,,(1)(2),(3),,3,,,0120081(1),,,(2),,,,,,,,,,,(3),,,,,,,,,,,(),(4),,,,,,4,,,,411,,,,,,,,,,,,,,,,,,,,XYZ,,1120081[q],,7,,,,,,,,Fn=knxpFn,Nxp,mmkn,N/mm,,,5(2)DN40mm,115MPa,110MPa,,,QT450-10,1121314151612,,,,,38102,20993511,,,,,,115MPa,,2120081=015,r,,,P/P,dDd/D,tmaxtminqmax,,r,,,,,,d,,,3,,,,,(4)(a)(b)4,,4a,4btmaxqmax,,,512,,,,,,110MPa,,,,,,,,q,,,,,,,,5,,14mm,qqmax,3120081(1),,,(2),,,,(3),,,1AndersJonssonJW,GoranBroman.Avirtualmachinecon2ceptforreal-timesimulationofmachinetooldynamicsJ.InternationalJournalofMachineTools&Manufacture,2005,(45):795-801.2HengLiZM,QipingShen,StephenKong.VirtualexperimentofinnovativeconstructionoperationsJ.AutomationinCon2struction,2003,(12):561-575.3,.J.,1995,(4):46.4T.S.MujberTS,M.S.J.Hashmi.Virtualrealityappli2cationsinmanufacturingprocesssimulationJ.JournalofMa2terialsProcessingTechnology,2004,(4):1834-1838.5,.CADJ.,2002,21(5):856-860.6RayClarkHA,LanreOshinowo.Computersimulationofme2chanicalsealleadstodesignchangethatimprovescoolantcircula2tionJ.MaterialsandDesign,2002,(23):113-117.7.J.,2000,(29):21-24.(:2007109111)112002,,,,,1200,16,ISBN7111087429,76.00/212000,,,,990,16,ISBN7502129030,98100/10%,15,:110142,:02425653780E-mail:sfskkxz@chinavalveinfo1net