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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Collisionality ： ウィキペディア英語版 Collisionality In plasma physics of tokamaks, collisionality is a dimensionless parameter which expresses the ratio of the electron-ion collision frequency to the banana orbit frequency. == Definition == The plasma collisionality $\backslash nu^$ * is defined as〔Nucl. Fusion, Vol. 39, No. 12 (1999)〕〔Wenzel, K and Sigmar, D.. Nucl. Fusion 30, 1117 (1990)〕 :$$ \nu^ * = \nu_\mathrm\,\sqrt T_\mathrm}}\,\epsilon^\,qR, where $\backslash nu\_\backslash mathrm$ denotes the electron-ion collision frequency, $R$ is the plasma major radius, $\backslash epsilon$ is the inverse aspect-ratio, and $q$ is the safety factor. The plasma parameters $m\_\backslash mathrm$ and $T\_\backslash mathrm$ denote, respectively, the mass and temperature of the ions, and $k\_\backslash mathrm$ is the Boltzmann constant. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Collisionality」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.