Analytical Studies on the Nonlinear Oscillation Due to an <I>m</I>=1 Non-Resonant Current-Driven Mode in RFP Plasmas
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- Nakajima Noriyoshi
- Institute of Plasma Physics, Nagoya University
Bibliographic Information
- Other Title
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- Analytical Studies on the Nonlinear Oscillation Due to an m=1 Non-Resonant Current-Driven Mode in RFP Plasmas
- Analytical Studies on the Nonlinear Osc
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Abstract
Analytical studies are presented on the nonlinear oscillation due to a single non-resonant current-driven mode with poloidal mode number of m=1 in the vicinity of a marginally stable state in RFP plasmas. A perturbation expansion with respect to the difference of the toroidal wave number from one at the marginally stable state is used togather with the multiple-time-scale method. The system of equations governing the time development of the amplitude of the m=1 mode is obtained, which indicates that the nonlinear oscillation is possible in RFP plasmas with a relatively high S number (S\gtrsim104) and that the oscillation is interpreted as an amplitude oscillation of the m=1 mode. The analytical results by using the perturbation theory well explain those of the numerical simulation.
Journal
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 56 (11), 3911-3928, 1987
THE PHYSICAL SOCIETY OF JAPAN
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Details 詳細情報について
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- CRID
- 1390001204188367360
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- NII Article ID
- 110001976206
- 210000093663
- 130003899316
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- NII Book ID
- AA00704814
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- BIBCODE
- 1987JPSJ...56.3911N
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- ISSN
- 13474073
- 00319015
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- NDL BIB ID
- 3151579
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed