Stochastic couplings of neoclassical tearing modes in ITER plasmas

Hinrich Lütjens; Jean Fraņois Luciani

doi:10.1063/1.2360508

Stochastic couplings of neoclassical tearing modes in ITER plasmas

Hinrich Lütjens
, Jean Fraņois Luciani

CNRS

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

Abstract

Three-dimensional magnetohydrodynamic (MHD) computations of multiple neoclassical tearing modes growths in International Thermonuclear Experimental Reactor plasmas are presented. It is shown that within the MHD framework, these modes do not couple until significant stochastization between two tearing island chains occurs. After stochastization a quick amplitude drop of one or several modes is observed. This behavior is very similar to that observed for example in ASDEX-Upgrade [A. Gude, Nucl. Fusion 42, 833 (2002)].

Original language	English
Article number	112501
Journal	Physics of Plasmas
Volume	13
Issue number	11
DOIs	https://doi.org/10.1063/1.2360508
Publication status	Published - 1 Jan 2006

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title = "Stochastic couplings of neoclassical tearing modes in ITER plasmas",

abstract = "Three-dimensional magnetohydrodynamic (MHD) computations of multiple neoclassical tearing modes growths in International Thermonuclear Experimental Reactor plasmas are presented. It is shown that within the MHD framework, these modes do not couple until significant stochastization between two tearing island chains occurs. After stochastization a quick amplitude drop of one or several modes is observed. This behavior is very similar to that observed for example in ASDEX-Upgrade [A. Gude, Nucl. Fusion 42, 833 (2002)].",

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AU - Luciani, Jean Fraņois

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N2 - Three-dimensional magnetohydrodynamic (MHD) computations of multiple neoclassical tearing modes growths in International Thermonuclear Experimental Reactor plasmas are presented. It is shown that within the MHD framework, these modes do not couple until significant stochastization between two tearing island chains occurs. After stochastization a quick amplitude drop of one or several modes is observed. This behavior is very similar to that observed for example in ASDEX-Upgrade [A. Gude, Nucl. Fusion 42, 833 (2002)].

AB - Three-dimensional magnetohydrodynamic (MHD) computations of multiple neoclassical tearing modes growths in International Thermonuclear Experimental Reactor plasmas are presented. It is shown that within the MHD framework, these modes do not couple until significant stochastization between two tearing island chains occurs. After stochastization a quick amplitude drop of one or several modes is observed. This behavior is very similar to that observed for example in ASDEX-Upgrade [A. Gude, Nucl. Fusion 42, 833 (2002)].

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DO - 10.1063/1.2360508

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VL - 13

JO - Physics of Plasmas

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Stochastic couplings of neoclassical tearing modes in ITER plasmas

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