旋转床中多孔介质两相流体的数值仿真.pdf

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1、机床与液压Oct．2012HydromechatronicsEngineeringVo1．40No．19DOI：10．3969／j．issn．1001-3881．2012．19．010NumericalSimulationofBiphasicFlowinPorousMediumofRotatingPackedBedCHENGYun’，ZHANGXiaojun，NIESonglin，LIULaiguo，JIHuiBeijingUnivenityofTechnology，Be~iing100124，ChinaAbstract：Tosatisfythedemandsofhighefe~ive

2、andexacthydraulicoilpurificationinmachineryindustry．thedevelopmentofadvancedonlineoiIpurifierhasbecomemoreandmoreimportant．ThispaperhascarriedoutsomerelatednumericaIsimulationsaboutHIGEErotatingoiIpurifier．OnthebasisofthereseamhofthecharacteristicsofpollutionmovementinHIGEEfield．biphasicporousme

3、diumflowmodelofthepollutionintherotatingpackedbedwasbuilt，andbyusingFLUENTsoftwaretheflowfielddistdbutionofthemultiphaseintherotatingpackedbedwhichIsontheconditionofmovingboundaryandtheporousmediaissimulated．Thepaperhasevolvedtheinfluenceruleofkeytechnologyparametersoftherotatingpackedbedtosepar

4、atingeficien-cy，andprovidedtheorybasisfordesigningandproducingthe0ilpurifier．Keywords：porousmedia，biphasicflow，rotatingpackedbed，numericalsimulationAlongwiththeprogressofscienceandtechnolo—mediaandthepressuredistributionofthehydraulicgY，thetraditionaloilpurificationisnolongersatis—0ilinthemechan

5、ismhavebeensimulated．Thepaperfledwi￡hthedemandsofhydraulicoilpurificationinhasevolvedtheinfluenceruleofkeytechnologypa—thehydraulicindustry．HIGEErotatingoilpurifierisrametersoftherotatingpackedbedtoseparatingefi—developedonthebasisofthetraditionaloilpurifica．ciency，andprovidedtheorybasisfordesig

6、ningandtionandtheintroductionoftheHIGEEtechnology．developingtheHIGEErotatingoilpurifier．ebasicprincipleofHIGEEtechnologyistoadopt1．Theoperationprincipleofrotatingtheuniquebehaviorsofmultiphaseflowintheenvi．ronmentofHIGEE．stren~henrelativespeedandrel—packedbedativecontactamongdiferentphasesinorde

7、rtoen．Theoilfrompreliminarypurificationgoesintohancetheheatandmasstransfereficiencyduringthetheinternalspaceoftherotatingbedalongtheaxisofreaction．TheHIGEEisobtainedbywayofcentrifu—rotation，androtatesathighspeedwiththerotati