Radial distribution of ion temperature in a WT-III tokamak plasma, as determined from Abel inversion of impurity line profiles

Shinobu Miyachi; Keiji Sawada; Kiyoto Takahata; Hidetoshi Suemitsu; Takashi Fujimoto; Rei Okasaka; Keishi Ishii; Yosuke Hirata; Masayuki Fukao; Hitoshi Tanaka; Takashi Maekawa; Yasushi Terumichi; Shigetoshi Takaka

doi:10.1016/0022-4073(89)90002-2

Radial distribution of ion temperature in a WT-III tokamak plasma, as determined from Abel inversion of impurity line profiles

Shinobu Miyachi, Keiji Sawada, Kiyoto Takahata, Hidetoshi Suemitsu, Takashi Fujimoto, Rei Okasaka, Keishi Ishii, Yosuke Hirata, Masayuki Fukao, Hitoshi Tanaka, Takashi Maekawa, Yasushi Terumichi, Shigetoshi Takaka

Graduate School of Information, Production and Systems

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

By using a spectrometer fitted with a multichannel detector, we have observed a chord dependence of emission-line profiles of OV and CV impurities in a WT-III tokamak plasma in a Joule-heating mode. After Abel-inversion of the observed intensity for each channel of the detector, we obtained a Doppler-line profile as a function of radius. Ion temperatures derived from the two lines agree with each other and are consistent with the energy distribution of neutral particles emanating from the plasma.

Original language	English
Pages (from-to)	355-357
Number of pages	3
Journal	Journal of Quantitative Spectroscopy and Radiative Transfer
Volume	42
Issue number	5
DOIs	https://doi.org/10.1016/0022-4073(89)90002-2
Publication status	Published - 1989 Nov

ASJC Scopus subject areas

Radiation
Atomic and Molecular Physics, and Optics
Spectroscopy

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Miyachi, S., Sawada, K., Takahata, K., Suemitsu, H., Fujimoto, T., Okasaka, R., Ishii, K., Hirata, Y., Fukao, M., Tanaka, H., Maekawa, T., Terumichi, Y., & Takaka, S. (1989). Radial distribution of ion temperature in a WT-III tokamak plasma, as determined from Abel inversion of impurity line profiles. Journal of Quantitative Spectroscopy and Radiative Transfer, 42(5), 355-357. https://doi.org/10.1016/0022-4073(89)90002-2

Radial distribution of ion temperature in a WT-III tokamak plasma, as determined from Abel inversion of impurity line profiles. / Miyachi, Shinobu; Sawada, Keiji; Takahata, Kiyoto; Suemitsu, Hidetoshi; Fujimoto, Takashi; Okasaka, Rei; Ishii, Keishi; Hirata, Yosuke; Fukao, Masayuki; Tanaka, Hitoshi; Maekawa, Takashi; Terumichi, Yasushi; Takaka, Shigetoshi.

In: Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 42, No. 5, 11.1989, p. 355-357.

Research output: Contribution to journal › Article

Miyachi, S, Sawada, K, Takahata, K, Suemitsu, H, Fujimoto, T, Okasaka, R, Ishii, K, Hirata, Y, Fukao, M, Tanaka, H, Maekawa, T, Terumichi, Y & Takaka, S 1989, 'Radial distribution of ion temperature in a WT-III tokamak plasma, as determined from Abel inversion of impurity line profiles', Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 42, no. 5, pp. 355-357. https://doi.org/10.1016/0022-4073(89)90002-2

Miyachi, Shinobu ; Sawada, Keiji ; Takahata, Kiyoto ; Suemitsu, Hidetoshi ; Fujimoto, Takashi ; Okasaka, Rei ; Ishii, Keishi ; Hirata, Yosuke ; Fukao, Masayuki ; Tanaka, Hitoshi ; Maekawa, Takashi ; Terumichi, Yasushi ; Takaka, Shigetoshi. / Radial distribution of ion temperature in a WT-III tokamak plasma, as determined from Abel inversion of impurity line profiles. In: Journal of Quantitative Spectroscopy and Radiative Transfer. 1989 ; Vol. 42, No. 5. pp. 355-357.

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abstract = "By using a spectrometer fitted with a multichannel detector, we have observed a chord dependence of emission-line profiles of OV and CV impurities in a WT-III tokamak plasma in a Joule-heating mode. After Abel-inversion of the observed intensity for each channel of the detector, we obtained a Doppler-line profile as a function of radius. Ion temperatures derived from the two lines agree with each other and are consistent with the energy distribution of neutral particles emanating from the plasma.",

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AU - Miyachi, Shinobu

AU - Sawada, Keiji

AU - Takahata, Kiyoto

AU - Suemitsu, Hidetoshi

AU - Fujimoto, Takashi

AU - Okasaka, Rei

AU - Ishii, Keishi

AU - Hirata, Yosuke

AU - Fukao, Masayuki

AU - Tanaka, Hitoshi

AU - Maekawa, Takashi

AU - Terumichi, Yasushi

AU - Takaka, Shigetoshi

PY - 1989/11

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AB - By using a spectrometer fitted with a multichannel detector, we have observed a chord dependence of emission-line profiles of OV and CV impurities in a WT-III tokamak plasma in a Joule-heating mode. After Abel-inversion of the observed intensity for each channel of the detector, we obtained a Doppler-line profile as a function of radius. Ion temperatures derived from the two lines agree with each other and are consistent with the energy distribution of neutral particles emanating from the plasma.

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