Impact of a movable limiter on the global wall recycling in TRIAM-1M

M. Sakamoto, M. Ogawa, K. Takaki, H. Zushi, K. Nakashima, N. Maezono, T. Sugata, Y. Nakashima, Y. Higashizono, Y. Kubota, A. Higashijima, H. Nakashima, S. Kawasaki, A. Iyomasa, M. Hasegawa, H. Idei, K. Hanada, K. Nakamura, K. N. Sato

研究成果: 著書/レポートタイプへの貢献会議での発言

抄録

In TRIAM-1M, the influence of the local structure of the first wall on the global wall recycling has been studied using the ML with good cooling capability. No wall saturation was observed in the 5 h 16 min discharge with the ML, since particle release was suppressed by less temperature rise of the main chamber. The global wall pumping rate without the ML, ~8.6 x 1016 atoms m-2 s-1, is 3.6 times higher than that of the long duration discharge without the ML. The temperature rise in the wall is attributed to the transition of the wall role from the particle sink to the source. The co-deposition of hydrogen with Mo is a key for the wall role of the particle sink. No clear difference of the growth rate of Mo deposits on the viewing window located from the limiter surface between with and without the ML. The growth rate is from ~2 x 10-4nm/s to ~8 x 10-4nm/s. The toroidal structure of hydrogen recycling changes significantly near at the ML. However, integration of H intensity with and without the ML over the whole toroidal length is about the same within 3% , which is less than the error, i.e. 15%.

元の言語英語
ホスト出版物のタイトル32nd EPS Conference on Plasma Physics 2005, EPS 2005, Held with the 8th International Workshop on Fast Ignition of Fusion Targets - Europhysics Conference Abstracts
ページ1930-1933
ページ数4
出版物ステータス出版済み - 12 1 2005
イベント32nd European Physical Society Conference on Plasma Physics and Controlled Fusion combined with the 8th International Workshop on Fast Ignition of Fusion Targets - Tarragona, スペイン
継続期間: 6 27 20057 1 2005

出版物シリーズ

名前32nd EPS Conference on Plasma Physics 2005, EPS 2005, Held with the 8th International Workshop on Fast Ignition of Fusion Targets - Europhysics Conference Abstracts
3

その他

その他32nd European Physical Society Conference on Plasma Physics and Controlled Fusion combined with the 8th International Workshop on Fast Ignition of Fusion Targets
スペイン
Tarragona
期間6/27/057/1/05

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recycling
sinks
hydrogen
pumping
chambers
deposits
saturation
cooling
temperature
atoms

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

これを引用

Sakamoto, M., Ogawa, M., Takaki, K., Zushi, H., Nakashima, K., Maezono, N., ... Sato, K. N. (2005). Impact of a movable limiter on the global wall recycling in TRIAM-1M. : 32nd EPS Conference on Plasma Physics 2005, EPS 2005, Held with the 8th International Workshop on Fast Ignition of Fusion Targets - Europhysics Conference Abstracts (pp. 1930-1933). (32nd EPS Conference on Plasma Physics 2005, EPS 2005, Held with the 8th International Workshop on Fast Ignition of Fusion Targets - Europhysics Conference Abstracts; 巻数 3).

Impact of a movable limiter on the global wall recycling in TRIAM-1M. / Sakamoto, M.; Ogawa, M.; Takaki, K.; Zushi, H.; Nakashima, K.; Maezono, N.; Sugata, T.; Nakashima, Y.; Higashizono, Y.; Kubota, Y.; Higashijima, A.; Nakashima, H.; Kawasaki, S.; Iyomasa, A.; Hasegawa, M.; Idei, H.; Hanada, K.; Nakamura, K.; Sato, K. N.

32nd EPS Conference on Plasma Physics 2005, EPS 2005, Held with the 8th International Workshop on Fast Ignition of Fusion Targets - Europhysics Conference Abstracts. 2005. p. 1930-1933 (32nd EPS Conference on Plasma Physics 2005, EPS 2005, Held with the 8th International Workshop on Fast Ignition of Fusion Targets - Europhysics Conference Abstracts; 巻 3).

研究成果: 著書/レポートタイプへの貢献会議での発言

Sakamoto, M, Ogawa, M, Takaki, K, Zushi, H, Nakashima, K, Maezono, N, Sugata, T, Nakashima, Y, Higashizono, Y, Kubota, Y, Higashijima, A, Nakashima, H, Kawasaki, S, Iyomasa, A, Hasegawa, M, Idei, H, Hanada, K, Nakamura, K & Sato, KN 2005, Impact of a movable limiter on the global wall recycling in TRIAM-1M. : 32nd EPS Conference on Plasma Physics 2005, EPS 2005, Held with the 8th International Workshop on Fast Ignition of Fusion Targets - Europhysics Conference Abstracts. 32nd EPS Conference on Plasma Physics 2005, EPS 2005, Held with the 8th International Workshop on Fast Ignition of Fusion Targets - Europhysics Conference Abstracts, 巻. 3, pp. 1930-1933, 32nd European Physical Society Conference on Plasma Physics and Controlled Fusion combined with the 8th International Workshop on Fast Ignition of Fusion Targets, Tarragona, スペイン, 6/27/05.
Sakamoto M, Ogawa M, Takaki K, Zushi H, Nakashima K, Maezono N その他. Impact of a movable limiter on the global wall recycling in TRIAM-1M. : 32nd EPS Conference on Plasma Physics 2005, EPS 2005, Held with the 8th International Workshop on Fast Ignition of Fusion Targets - Europhysics Conference Abstracts. 2005. p. 1930-1933. (32nd EPS Conference on Plasma Physics 2005, EPS 2005, Held with the 8th International Workshop on Fast Ignition of Fusion Targets - Europhysics Conference Abstracts).
Sakamoto, M. ; Ogawa, M. ; Takaki, K. ; Zushi, H. ; Nakashima, K. ; Maezono, N. ; Sugata, T. ; Nakashima, Y. ; Higashizono, Y. ; Kubota, Y. ; Higashijima, A. ; Nakashima, H. ; Kawasaki, S. ; Iyomasa, A. ; Hasegawa, M. ; Idei, H. ; Hanada, K. ; Nakamura, K. ; Sato, K. N. / Impact of a movable limiter on the global wall recycling in TRIAM-1M. 32nd EPS Conference on Plasma Physics 2005, EPS 2005, Held with the 8th International Workshop on Fast Ignition of Fusion Targets - Europhysics Conference Abstracts. 2005. pp. 1930-1933 (32nd EPS Conference on Plasma Physics 2005, EPS 2005, Held with the 8th International Workshop on Fast Ignition of Fusion Targets - Europhysics Conference Abstracts).
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abstract = "In TRIAM-1M, the influence of the local structure of the first wall on the global wall recycling has been studied using the ML with good cooling capability. No wall saturation was observed in the 5 h 16 min discharge with the ML, since particle release was suppressed by less temperature rise of the main chamber. The global wall pumping rate without the ML, ~8.6 x 1016 atoms m-2 s-1, is 3.6 times higher than that of the long duration discharge without the ML. The temperature rise in the wall is attributed to the transition of the wall role from the particle sink to the source. The co-deposition of hydrogen with Mo is a key for the wall role of the particle sink. No clear difference of the growth rate of Mo deposits on the viewing window located from the limiter surface between with and without the ML. The growth rate is from ~2 x 10-4nm/s to ~8 x 10-4nm/s. The toroidal structure of hydrogen recycling changes significantly near at the ML. However, integration of H intensity with and without the ML over the whole toroidal length is about the same within 3{\%} , which is less than the error, i.e. 15{\%}.",
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AU - Ogawa, M.

AU - Takaki, K.

AU - Zushi, H.

AU - Nakashima, K.

AU - Maezono, N.

AU - Sugata, T.

AU - Nakashima, Y.

AU - Higashizono, Y.

AU - Kubota, Y.

AU - Higashijima, A.

AU - Nakashima, H.

AU - Kawasaki, S.

AU - Iyomasa, A.

AU - Hasegawa, M.

AU - Idei, H.

AU - Hanada, K.

AU - Nakamura, K.

AU - Sato, K. N.

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