Comparison study of fast responses in confined plasmas with diffusivity models

Takuya Iwasaki, Sanae I. Itoh, Masatoshi Yagi, Kimitaka Itoh

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

抄録

An equation which includes the non-local effect in the heat flux is introduced to study the transient transport phenomena. A non-local heat flux, which is expressed in terms of the integral equation, is superimposed on the conventional form of the heat flux. This model is applied to describe the fast responses in the transition from Low confinement mode (L-mode) to High confinement mode (H-mode) and in the heating power switching. Examples of diffusivity models are chosen, i.e., constant, Bohm and Rebut-Lallia-Watkins (RLW) model and the comparison study is done. A small fraction of non-local component in the heat flux is found to be very effective in reducing the response time. Independent of the diffusivity models, the fast transient transport in the heat pulse propagation is reproduced based on this non-local model.

元の言語英語
ページ(範囲)722-728
ページ数7
ジャーナルJournal of the Physical Society of Japan
69
発行部数3
DOI
出版物ステータス出版済み - 1 1 2000

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diffusivity
heat flux
integral equations
heat
heating
propagation
pulses

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

これを引用

Comparison study of fast responses in confined plasmas with diffusivity models. / Iwasaki, Takuya; Itoh, Sanae I.; Yagi, Masatoshi; Itoh, Kimitaka.

:: Journal of the Physical Society of Japan, 巻 69, 番号 3, 01.01.2000, p. 722-728.

研究成果: ジャーナルへの寄稿記事

Iwasaki, Takuya ; Itoh, Sanae I. ; Yagi, Masatoshi ; Itoh, Kimitaka. / Comparison study of fast responses in confined plasmas with diffusivity models. :: Journal of the Physical Society of Japan. 2000 ; 巻 69, 番号 3. pp. 722-728.
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