Analysis of ion-temperature-gradient instabilities using a gyro-fluid model in cylindrical plasmas

Genryu Hattori, Naohiro Kasuya, Masatoshi Yagi

研究成果: ジャーナルへの寄稿学術誌査読

2 被引用数 (Scopus)

抄録

The excitation condition for ion-temperature-gradient (ITG) instabilities in linear devices is investigated using a gyro-fluid equation. The finite-Larmor-radius effect is included in the model, which helps to stabilize ITG instabilities. The critical values of ?, which is the ratio of the lengths of the density gradient to the temperature gradient, are obtained. Although the modenumbers of the most unstable modes are different with different discharge gases, their critical values have almost the same η level close to 1.0. The results are compared with those from the Hamaguchi-Horton model numerically and analytically.

本文言語英語
論文番号3401060
ジャーナルPlasma and Fusion Research
10
DOI
出版ステータス出版済み - 2015

!!!All Science Journal Classification (ASJC) codes

  • 凝縮系物理学

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