Simulations of Toroidal Current Drive without External Magnetic Helicity Injection.
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- Kondoh Yoshiomi
- Department of Electronic Engineering, Gunma University, Kiryu, Gunma 376
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- Yamaguchi Masanori
- Department of Electronic Engineering, Gunma University, Kiryu, Gunma 376
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- Yokozuka Katsuhisa
- Department of Electronic Engineering, Gunma University, Kiryu, Gunma 376
Bibliographic Information
- Other Title
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- Simulations of Toroidal Current Drive w
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Description
It is shown by three-dimensional magnetohydrodynamic simulations that the toroidal current Jz can be induced by a process of relaxation without helicity invariance under a condition of no external magnetic helicity injection.It is shown that the magnetic helicity is induced during relaxation and it ispassively determined as a result of the time evolution of the dynamicalsystem. Numerical results suggest thatthe basic process for the toroidal current drive duringrelaxation is the nonlinear energy transfer fromthe toroidal to the poloidal magnetic energy with the intervention of the kinetic energy.It is demonstrated that self-organization to the lower eigenmode with a larger-scale structureoccurs during relaxation.
Journal
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 66 (2), 288-290, 1997
THE PHYSICAL SOCIETY OF JAPAN
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Details 詳細情報について
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- CRID
- 1390282679156444160
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- NII Article ID
- 210000100373
- 110001970622
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- NII Book ID
- AA00704814
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- BIBCODE
- 1997JPSJ...66..288K
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- ISSN
- 13474073
- 00319015
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- NDL BIB ID
- 4163441
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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