Trapped Particle Confinement Studies in l=2 Torsatrons for Additional Helical Coils,Radial Electric Field and Finite Beta Effect
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概要
- 論文の詳細を見る
l=2 torsatrons are studied to improve the high energy trapped particle confinementwith additional l=I and/or /=3 helical coils. The winding laws are selected in twoways. One is to realize 'a-optimization' by the additional helical coils, but this ap-proach loses magnetic well region. The other selection is to produce or deepen themagnetic well by the additional helical coils. /=3 helical coils are usable to this end.In this case the improvement of the trapped particle confinement depends onmagnetic axis position. Radial electric field producing sheared rotational motion isalso considered to improve the trapped particle confinement in a standard l=2 torsafron. By excluding cancellation between E X B and WB drift motion occurred for theparabolic potential profile, all deeply trapped particles can be confined in the centralregion. Degradation of the trapped particle confinement by the Shafranov shift ismitigated by shifting the magnetic axis inside in the vacuum configuration.
- 社団法人日本物理学会の論文
- 1991-02-15
著者
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Wakatani Masahiro
Plasma physics Laboratory, Kyoto University
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Wakatani Masahiro
Plasma Physics Laboratory Kyoto University
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NAKAMURA Yuji
Plasma Physics Laboratory, Kyoto University
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KATO Akira
Plasma Physics Laboratory,Kyoto University
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Nakamura Yuji
Plasma Physics Laboratory Kyoto University
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Kato Akira
Plasma Physics Laboratory Kyoto University
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