ランダウ減衰の過程における運動量変換と高周波電流駆動

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Author: 上原和也

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Publication date: 2010-01

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Note (General)：: The current drive generated by radio frequency waves is regarded as the momentum transfer from waves to resonant electrons through the Landau damping ...

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Summary, etc.：: The current drive generated by radio frequency waves is regarded as the momentum transfer from waves to resonant electrons through the Landau damping ...

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Material Type: 文書・図像類
Title: ランダウ減衰の過程における運動量変換と高周波電流駆動
Author/Editor: 上原和也
Author Heading: 上原和也
Publication Date: 2010-01
Publication Date (W3CDTF): 2010-01
Alternative Title: Momentum transfer during Landau damping and radio frequency current drive
Periodical title: JAEA-Research 2009-049
Text Language Code: eng
Target Audience: 一般
Note (General): The current drive generated by radio frequency waves is regarded as the momentum transfer from waves to resonant electrons through the Landau damping process. The conventional current drive theory is based on the quasi-linear diffusion using the Fokker-Planck equation to derive the deviation of the electron distribution function to cause the current and is not considered the momentum transfer. The momentum transfer is evaluated using a well-defined model of Landau damping and we derived the current drive theory considering the competition between the electron acceleration by the effective force acting on resonate electrons and the collision of particles. The deformed distribution function to yield the RF current is also formulated with a Boltzmann equation including a simple collision term.
高周波によって駆動される電流駆動はランダウ減衰の過程を通して波から共鳴粒子に運動量が変換されるものと見なすことができる。従来の電流駆動理論は、準線形拡散から、多くの振動を平均したFokker-Planck方程式に基づいて分布関数のずれを求めたもので、運動量変換については触れられていなかった。本論文では、運動量の変換をよく知られたランダウ減衰のモデルによって評価し、電子に働く等価的な力による電子の加速と粒子間の衝突との競合から電流値を定式化した。電流を生じる変形された分布関数も簡単な衝突項を含んだボルツマン方程式から定式化している。
Source: /JAEA-Research-2009-049.pdf （fulltext）
https://jopss.jaea.go.jp/pdfdata/JAEA-Research-2009-049.pdf
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Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
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Original Data Provider (Database): 日本原子力研究開発機構 : JOPSS:JAEA Originated Papers Searching System