低域混成波による電流駆動トカマクにおける電流分布とディスラプション

Material type: 文書・図像類

Author: 上原和也ほか

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Publication date: 2006-02

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Note (General)：: The radial rf current profile of the lower-hybrid current drive tokamak is estimated using an rf power damping model for various Gaussian type nz spec...

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Summary, etc.：: The radial rf current profile of the lower-hybrid current drive tokamak is estimated using an rf power damping model for various Gaussian type nz spec...

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Material Type: 文書・図像類
Title: 低域混成波による電流駆動トカマクにおける電流分布とディスラプション
Author/Editor: 上原和也
永島孝
Author Heading: 上原和也
永島孝
Publication Date: 2006-02
Publication Date (W3CDTF): 2006-02
Alternative Title: Current profiles and major disruptions in a lower-hybrid current drive tokamak
Periodical title: JAEA-Research 2006-002
Text Language Code: eng
Target Audience: 一般
Note (General): The radial rf current profile of the lower-hybrid current drive tokamak is estimated using an rf power damping model for various Gaussian type nz spectrum, and the stability of the major disruption is examined using the criterion of the tearing mode instability. The value of nzc determines the spatial damping of the rf power and in resultant the rf current profile. The value of hz determine the extent of the damping of the rf power and in resultant the absolute value of the rf current. The peaking and flattening rf current profile to be free from the disruption are obtained when the rf power does not damp at the boundary region and when the extent of damping is relatively small even if the rf power begins to damp at relatively boundary region, whose rf spectrum must be having relatively large phase velocity and must be not so broad.
低域混成波による電流駆動トカマクにおける電流分布が色々なrfスペクトルの場合に計算され、メジャーディスラプションとの関連が議論されている。電流分布はrfスペクトルでガウス型のものが用いられ、準線形理論を用いて評価されている。メジャーディスラプションはテアリング不安定性の2つの磁気島が接触する際に起こるという基準が適用されていて、どのような電流分布がディスラプションに対して安定となるかが求められている。計算はJT-60における、低域混成波による電流駆動でメジャーディスラプションの回避に向けて、位相速度の実時間制御によって電流分布を制御する実験を想定して行われている。
Source: /JAEA-Research-2006-002.pdf （fulltext）
https://jopss.jaea.go.jp/pdfdata/JAEA-Research-2006-002.pdf
Access Restrictions: 限定公開
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）
https://irdb.nii.ac.jp
Original Data Provider (Database): 日本原子力研究開発機構 : JOPSS:JAEA Originated Papers Searching System