Linear analysis of neoclassical tearing mode based on the four-field reduced neoclassical MHD equation

Atsushi Furuya; Masatoshi Yagi; Sanae Itoh

doi:10.1143/JPSJ.72.313

Linear analysis of neoclassical tearing mode based on the four-field reduced neoclassical MHD equation

Atsushi Furuya, Masatoshi Yagi, Sanae Itoh

Division of Nuclear Fusion Dynamics

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

The linear neoclassical tearing mode is investigated using the four-field reduced neoclassical MHD equations, in which the fluctuating ion parallel flow and ion neoclassical viscosity are taken into account. The dependences of the neoclassical tearing mode on collisionality, diamagnetic drift and q profile are investigated. These results are compared with the results from the conventional three-field model. It is shown that the linear neoclassical tearing mode is stabilized by the ion neoclassical viscosity in the banana regime even if Δ′ > 0.

Original language	English
Pages (from-to)	313-319
Number of pages	7
Journal	Journal of the Physical Society of Japan
Volume	72
Issue number	2
DOIs	https://doi.org/10.1143/JPSJ.72.313
Publication status	Published - Feb 1 2003

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1143/JPSJ.72.313

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abstract = "The linear neoclassical tearing mode is investigated using the four-field reduced neoclassical MHD equations, in which the fluctuating ion parallel flow and ion neoclassical viscosity are taken into account. The dependences of the neoclassical tearing mode on collisionality, diamagnetic drift and q profile are investigated. These results are compared with the results from the conventional three-field model. It is shown that the linear neoclassical tearing mode is stabilized by the ion neoclassical viscosity in the banana regime even if Δ′ > 0.",

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AB - The linear neoclassical tearing mode is investigated using the four-field reduced neoclassical MHD equations, in which the fluctuating ion parallel flow and ion neoclassical viscosity are taken into account. The dependences of the neoclassical tearing mode on collisionality, diamagnetic drift and q profile are investigated. These results are compared with the results from the conventional three-field model. It is shown that the linear neoclassical tearing mode is stabilized by the ion neoclassical viscosity in the banana regime even if Δ′ > 0.

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Linear analysis of neoclassical tearing mode based on the four-field reduced neoclassical MHD equation

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