EAST 实验进展-徐国盛

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1、PresentStatusandProspectofEASTB.N.Wan,G.S.XuforEASTteamandcollaboratorsInstituteofPlasmaPhysics,ChineseAcademyofSciences2013等离子体物理暑期学校华中科大，2013年7月22日，武汉FusionenergyEfusion∝Pfusion(nTiτE)×tburningPerformanceSteady-stateEASTaimshighperformancerelevanttosteady-stateoperation.Machin

2、eswithfull•PFcurrentramping-ratesuperconductingmagnetsarelimitationnecessaryforSSO,butwith•WeakcouplingbetweenPFnewfeatureschallengingforandplasmaplasmacontrol.•Safetyissues•…Outline•EASTcapabilities•Presentstatus•ProspectonNearfutureOutline•EASTcapabilities•Presentstatus•Prospe

3、ctonNearfutureEASTEASTaimsatlongpulseoperationswithplasmacurrentIp~1MA,andhighperformance（HH,).NMainParametersToroidalField3.5TPlasmaCurrent1-1.5MAMajorRadius1.9mMinorRadius0.45mElongation,~1.9xTriangularity,~0.4-0.6xHeatingandCurrentDriveICRH6(10)MWLHCD4(8)MWNBI4(8)MWITERtes

4、tbenchforadvancedECRH4MWsteady-stateoperationPulselength1000sConfiguration:DN，SNIn-vesselcomponents2010:fullgraphitePFC2012:Mo+graphiteDiv&DomeSystemCapabilities•PFC(tileswith2MW/m2)•InternalCryo-Pump,Removablelimiter•RTEFIT/Isofluxcontrol,limiter,SN,DN•Plasma:Ip~0.25~1.0MA,Bt~1

5、.6~3T,Td~400s(0.28MA,nav~1.21019/m3)•Shaping:kappa~1.9,delta~0.65•SystemCapabilities:•LHCD:2.45GHz,4MW（2.5MW)•ICRF:20-70MHz,6.0MW(2MW)•Diagnostics:forkeyprofilesandspecificphysics•Multi-purposegasinjectionatdifferentlocationforvariousgas(D2,CD4,Ar,N2…)•Fuelling:GP,SMBI,pelletin

6、jectionICRFSystemAllowvariousheatingandCDscenarios2-StrapAntenna@BPort4-StrapAntenna@IPortFrequency27MHzforD(H)and25-70MHzD(3He)MinorityHeatingforHeatingandCurrentDriveSource2x1.5MW4x1.5MW(CD)or2x1.5MW(H)PowerPhaseFixed(180o)-90o(counter-current),180o(dipole)and+90o(co-current)p

7、hasesCollaboratedwithMIT,NIFS,CEA-IMFR,PPPL,IPPWallConditioning1.ICRwallconditioning(cleaningandcoating).2.HF-GDCconditioning(cleaningandcoating).3.LiconditioningforH/(H+D)ratiocontrol:RFLicoating,RFConditioningantennaLievaporating:2010:from50%to<10%LiDroplets,2012:downto~3%7

8、3mmReducedHydrogenconcentrationalloweffectiveIC