X-ray spectra of high temperature tungsten plasma calculated with collisional radiative model-中国期刊网

摘要 Tungstenisregardedasanimportantcandidateofplasmafacingmaterialininternationalthermonuclearexperimentalreactor(ITER),sothedeterminationandmodelingofspectraoftungstenplasma,especiallythespectraathightemperaturewereintenselyfocusedonrecently.Inthiswork,usingtheatomicstructurecodeofCowan,acollisionalradiativemodel(CRM)basedonthespin-orbit-split-arraysisdeveloped.Basedonthismodel,thechargestatedistributionoftungstenionsisdeterminedandthesoftX-rayspectrafromhighchargedionsoftungstenatdifferenttemperaturesarecalculated.Theresultsshowthatboththeaverageionizationchargeandlinepositionsarewellagreedwithotherscalculationsandmeasurementswithdiscrepanciesoflessthan0.63%and1.26%,respectively.Thespectraathighertemperaturesarealsoreportedandtherelationshipbetweenionabundanceandtemperatureispredictedinthiswork.

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X-ray spectra of high temperature tungsten plasma calculated with collisional radiative model

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X-ray spectra of high temperature tungsten plasma calculated with collisional radiative model

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