Dependence of Relaxed States of Magnetohydrodynamic Plasmas on Resistivity Profiles
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概要
- 論文の詳細を見る
Functional dependence of relaxed states of magnetohydrodynamic (MHD) plasmas on profiles of resistivity η is derived approximately as μ_0j_<⫽> ≃ √<μ_0α/2ηB> for parallel components to B, by using a general self-organization theory based on dissipative structures due to selective dissipations associated with higher eigenmodes for dissipative dynamic operators. Typical results of three-dimensional simulations for resistive MHD plasmas with both "nonuniform η" and "uniform η" are shown to compare with the theoretical result. Comparison between the theoretical and the numerical results suggests that the attractor of dissipative structures in resistive MHD plasmas is given by ∇×(ηj)=(α/2)B and is reduced to ∇×B=λB in the case with the "uniform η" and no pressure gradient.
- 社団法人日本物理学会の論文
- 1994-02-15
著者
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HORIUCHI Ritoku
National Institute for fusion Science
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SATO Tetsuya
National Institute for fusion Science
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Liang Jia-ling
Department Of Electronics Engineering Gunma University
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Liang Jia-ling
Department Of Electronic Engineering Gunma University
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KONDOH Yoshiomi
Department of Electronic Engineering, Gunma University
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Kondoh Yoshiomi
Department Of Electrical Engineering College Of Technology Gunma University
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HOSAKA Yasuo
Department of Dentistry and Oral Surgery, School of Medicine, Keio University
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Hosaka Y
Keio Univ. Tokyo Jpn
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Hosaka Yasuo
Department Of Dentistry And Oral Surgery School Of Medicine Keio University
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