Studies on Density Dependence of Charge Separation in a Direct Energy Converter Using Slanted Cusp Magnetic Field
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概要
- 論文の詳細を見る
In an advanced fusion, fusion-produced charged particles must be separated from each other for efficient energy conversion to electricity. The CuspDEC performs this function of separation and direct energy conversion. Analysis of working characteristics of CuspDEC on plasma density is an important subject. This paper summarizes and discusses experimental and theoretical works for high density plasma by using a small scale experimental device employing a slanted cusp magnetic field. When the incident plasma is low-density, good separation of the charged particles can be accomplished and this is explained by the theory based on a single particle motion. In high density plasma, however, this theory cannot be always applied due to space charge effects. In the experiment, as gradient of the field line increases, separation capability of the charged particles becomes higher. As plasma density becomes higher, however, separation capability becomes lower. This can be qualitatively explained by using calculations of the modified Störmer potential including space charge potential.
- 社団法人 プラズマ・核融合学会の論文
著者
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NAKASHIMA Yousuke
Plasma Physics Laboratory,Kyoto University
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Yasaka Yasuyoshi
Electrical and Electronic Engineering, Graduate School of Engineering, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan
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TAKENO Hiromasa
Electrical and Electronic Engineering, Kobe University
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MUNAKATA Yoshiro
Electrical and Electronic Engineering, Kobe University
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KAWAGUCHI Takashi
Electrical and Electronic Engineering, Kobe University
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ICHIMURA Kazuya
Plasma Research Center, University of Tsukuba
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YASAKA Yasuyoshi
Electrical and Electronic Engineering, Kobe University
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