资源描述：
《Neutron Yields Based on Transport Calculation in EAST ICRF.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、PlasmaScienceandTechnology,Vol.15,No.5,May2013NeutronYieldsBasedonTransportCalculationinEASTICRFMinorityHeatingPlasmas¤LIXiaoling(李晓玲)1;2,WANBaonian(万宝年)1,GUOZhirong(郭智荣)2,ZHONGGuoqiang(钟国强)1,HULiqun(胡立群)1,LINShiyao(林士耀)1,ZHANGXinjun(张新军)1,DINGSiye(丁斯晔)1,LUBo(吕波)11InstituteofPlasma
2、Physics,ChineseAcademyofSciences,Hefei230031,China2WuhanSecondShipDesignandResearchInstitute,Wuhan430064,ChinaAbstractNeutrondiagnostics,including°uxandenergyspectrummeasurements,havebeenappliedontheexperimentaladvancedsuperconductingtokamak(EAST).Theabsolutecalibrationofneutronyie
3、ldshasbeenachievedbyacalculationmethodusingtheMonteCarloautomaticmodeling(MCAM)systemandtheMonteCarloN-Particles(MCNP)code.Sincetheneutronyieldiscloselyrelatedwiththeiondensityandtemperature,itisagoodmeasureofplasmaperformance,especiallythewaveheatinge®ect.Inioncyclotronrangeoffreq
4、uencies(ICRF)experiments,theincreaseintheiontemperaturederivedbytheneutronyieldindicatesane®ectiveplasmaheating.Minorityprotonsdampalargefractionofthetotalwavepower,andthentransferpartoftheenergytodeuteriumbycollisions.Neutronspectrummeasurementsalsoindicatethatnotailiscreatedbyhig
5、henergydeuteronsduringICRFheating.However,theiontemperaturederivedbytheneutronyieldisconsistentwiththeresultbyusingapoloidalX-rayimagingcrystalspectrometer(PXCS),showingareliabletransportcalculation.Keywords:neutronyield,MCNP,ICRF,minorityheatingPACS:52.70.Nc,52.65.Pp,52.50.SwDOI:1
6、0.1088/1009-0630/15/5/031Introductionsystems.Togettheneutronyield,substantialcorrec-tionsforthee®ectsofneutronabsorptionandscatter-Neutrondiagnosticsoncontrolledthermonuclearfu-ingfromthe¯eldcoilsandothermechanicalstructuressionexperimentshavemanyimportantapplications.needtobeconsi
7、dered.Twosuitablecalibrationtech-niqueshavebeenrecommendedataworkshop[4]:(1)Itispossibletomeasurethetotalneutronemissiona252Cfsourcecalibrationofepithermalneutrondetec-strength,therelativeneutronemissivityasafunctionofpositionoverapoloidalsectionthroughtheplasma,tors;and(2)threshol
8、dneutronactivationofNifoil
