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Synthesized intensity of emission lines of hydrogen isotopes and impurities in the ITER divertor plasma

ITERダイバータプラズマにおける水素同位体と不純物からの発光線強度の合成

岩前 敦; 杉江 達夫; 小川 宏明; 草間 義紀

Iwamae, Atsushi; Sugie, Tatsuo; Ogawa, Hiroaki; Kusama, Yoshinori

Intensity of emission lines in the ITER divertor plasma is synthesized using a model of the edge and scrape-off layer plasmas. The intensity of hydrogen isotopes and impurities observed with the divertor optical system of the Impurity Influx Monitor (Divertor) is estimated. In both the inner and outer divertor plasmas, ionizing and recombining plasma components are observed for C$$_{I-III}$$ and recombining plasma component is dominant for C$$_{IV-V}$$. Line-of-sight integrated spectra are synthesized in the wavelength range of 200 nm to 1000 nm using photon emission coefficients. In order to evaluate the carbon impurity influx, $$Gamma_{rm c}$$, identifying the plasma component, i.e. ionizing or recombining plasma component, is important.

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パーセンタイル:85.63

分野:Physics, Fluids & Plasmas

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