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1、英文原文AscopingstudyoftheapplicationofneutralbeamheatingontheTCVtokamakAlexanderN.Karpushova,∗,BasilP.Duvala,RenéChavana,EmilianoFableb,Jean-MichelMayora,OlivierSautera,HenriWeisenaaEcolePolytechniqueFédéraledeLausanne(EPFL),CentredeRecherchesenPhysiquedesPlasmas,AssociationEuratom-ConfédérationSuis
2、se,CH-1015Lausanne,SwitzerlandbMax-Planck-InstitutfürPlasmaphysik,Euratom-IPPAssociation,Boltzmannstra遝2,D-85748Garching,GermanyArticleinfoArticlehistory:Availableonline17March2011Keywords:TCVtokamakNeutralbeamheatingAbstractTheTCVtokamakcontributestothephysicsunderstandingoffusionplasmas,broaden
3、ingtheparameterrangeofreactorrelevantregimes,byinvestigationsbasedonanextensiveuseoftheexistingmainexperimentaltools:flexibleshapingandhighpowerrealtime-controllableelectroncyclotronheating(ECH)andcurrentdrive(ECCD)systems.AproposedimplementationofdirectionheatingontheTCVbytheinstallationofaneutr
4、albeaminjection(NBI)withatotalpowerofwouldpermitanextensionoftheaccessiblerangeofiontoelectrontemperatures()towellbeyondunity,dependingontheNBI/ECHmixandtheplasmadensity.ANBIsystemwouldprovideTCVwithatoolforplasmastudyatreactorrelevantratios∼1andininvestigatingfastionandMHDphysicstogetherwiththee
5、ffectsofplasmarotationandhighplasmaˇscenarios.ThefeasibilitystudiesforaNBIheatingonTCVpresentedinthispaperwereundertakentoconstructaspecificationfortheneutralbeaminjectorstogetherwithanexperimentalgeometryforpossibleoperationalscenarios.1.IntroductionTCVisacompact(majorradius,minorradius,toroidal
6、magneticfield,plasmacurrentof),highelongated(vesselelongation3)toroidalfusionexperimentalmachine.Highpower,real-timecontrollable,injectionofwavesatthesecond(X2,3MW)andthird(X3,1.5MW)harmonicsofelectroncyclotronfrequencyconstitutetheprimarymethodofheating(ECH)anddrivingnon-inductivecurrent(ECCD)in
7、theplasmawithelectrondensities,electrontemperatures,iontemperatures.TheflexibleplasmashapingandpowerfulECHsystemareusedtocontributeinmanyareasoftokamakresearch[1].HighpowerX2-ECH,forrelativelylowdensityTCVplasmas，doesn
