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1、英文原文AscopingstudyoftheapplicationofneutralbeamheatingontheTCVtokamakAlexanderN.Karpushova,∗,BasilP.Duvala,RenéChavana,EmilianoFableb,Jean-MichelMayora,OlivierSautera,HenriWeisenaaEcolePolytechniqueFédéraledeLausanne(EPFL),CentredeRecherchesenPhysiquedesPlasmas,AssociationEu
2、ratom-ConfédérationSuisse,CH-1015Lausanne,SwitzerlandbMax-Planck-InstitutfürPlasmaphysik,Euratom-IPPAssociation,Boltzmannstra遝2,D-85748Garching,GermanyArticleinfoArticlehistory:Availableonline17March2011Keywords:TCVtokamakNeutralbeamheatingAbstractTheTCVtokamakcontributesto
3、thephysicsunderstandingoffusionplasmas,broadeningtheparameterrangeofreactorrelevantregimes,byinvestigationsbasedonanextensiveuseoftheexistingmainexperimentaltools:flexibleshapingandhighpowerrealtime-controllableelectroncyclotronheating(ECH)andcurrentdrive(ECCD)systems.Aprop
4、osedimplementationofdirectionheatingontheTCVbytheinstallationofaneutralbeaminjection(NBI)withatotalpowerofwouldpermitanextensionoftheaccessiblerangeofiontoelectrontemperatures()towellbeyondunity,dependingontheNBI/ECHmixandtheplasmadensity.ANBIsystemwouldprovideTCVwithatoolf
5、orplasmastudyatreactorrelevantratios∼1andininvestigatingfastionandMHDphysicstogetherwiththeeffectsofplasmarotationandhighplasmaˇscenarios.ThefeasibilitystudiesforaNBIheatingonTCVpresentedinthispaperwereundertakentoconstructaspecificationfortheneutralbeaminjectorstogetherwit
6、hanexperimentalgeometryforpossibleoperationalscenarios.1.IntroductionTCVisacompact(majorradius,minorradius,toroidalmagneticfield,plasmacurrentof),highelongated(vesselelongation3)toroidalfusionexperimentalmachine.Highpower,real-timecontrollable,injectionofwavesatthesecond(X2
7、,3MW)andthird(X3,1.5MW)harmonicsofelectroncyclotronfrequencyconstitutetheprimarymethodofheating(ECH)anddrivingnon-inductivecurrent(ECCD)intheplasmawithelectrondensities,electrontemperatures,iontemperatures.TheflexibleplasmashapingandpowerfulECHsystemareusedtocontributeinman
8、yareasoftokamakresearch[1].HighpowerX2-ECH,forrelativelylowdensityTCVplasmas，doesn
