资源描述:
《Computational model of a Hall thruster.pdf》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、ComputerPhysicsCommunications164(2004)442447www.elsevier.com/locate/cpcComputationalmodelofaHallthrusterJustinW.Koo∗,1,IainD.Boyd2DepartmentofAerospaceEngineering,UniversityofMichigan,AnnArbor,MI48109,USAAvailableonline27October2004AbstractCorrectlymodellingthetransverseelectronmobilityisaprincipl
2、edifficultyincomputationalmodellingofHallthrusters.A2DhybridPIC-MCCmodelisusedtotesttwodifferentelectronmobilitymodels.Thetwomodels,onebasedonBohmdiffusionandtheotheronelectron-wallcollisions,areappliedtotwodifferentHallthrusters(SPT-100andUM/AFRLP5).Preliminaryresultsarepresentedandcomparedwithexp
3、erimentalresults.Ó2004ElsevierB.V.Allrightsreserved.Keywords:Halleffectthruster1.Introductionmodelswouldbetheabilitytoperformfullspacecraftintegrationstudies,themeanstoquantifychamberHallThrustersareatypeofelectricpropulsion(EP)effectsinexperimentaltests,andthecapacitytodeviceusedforspacepropulsio
4、n.Toproducethrust,performvirtuallifetestsforafractionofthecostoftheyuseelectricalenergytoionizeandaccelerateanactuallifetests.inertpropellant(typicallyxenonorkrypton).PresentVariouscomputationalmodelsoftheplasmaprop-applicationofHallthrustersislimitedprimarilytoertiesinsideHallthrustershavebeendev
5、elopedinstation-keeping,butapplicationtoorbitraisingandthelastdecade.Theyrangefrom1Dand2Dsteady-someinterplanetarymissionsarebecomingfeasiblestatemodelstofull1Dand2Dtimedependentmodelswithnew,morepowerfulgenerationsofthesedevices.byKomurasakiandArakawa[1],Fife[2],BoeufandSincetheirintroductioninth
6、e1960s,HallthrustersGarrigues[3],and,mostrecently,byHagelaaretal.havebeenstudiedindetailexperimentallywhile[4]andothers.Despitetheseadvances,computationalcomputationalmodellingofthesedeviceshaslaggedHallthrustermodellingisbynomeanssufficientlyre-behind;however,interestremainsinthedevelopmentliablet
7、opromptwidespreaduseintheHallthrusterofrobust,accurate,andefficientHallthrustercodes.designcommunity.Inparticular,asinglemodelguar-Amongthenumerousbenefitsofsuchcomputationalanteeingfidelityoverawiderangeofoperating