Neoclassical tearing modes

H. R. Wilson

doi:10.13182/FST10-A9407

Neoclassical tearing modes

H. R. Wilson

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

3 Scopus citations

Abstract

Tearing modes often limit the performance of tokamak plasmas, because the magnetic islands which they generate lead to a loss of confinement, or even a disruption. A particularly dangerous instability is the neoclassical tearing mode, which can grow to a large amplitude because of the amplification effect that the bootstrap current has on an initial 'seed' magnetic island. This paper will address the mechanisms which dominate the neoclassical tearing mode evolution, and thereby identify possible control techniques.

Original language	English
Pages (from-to)	164-173
Number of pages	10
Journal	Fusion Science and Technology
Volume	57
Issue number	2 T
DOIs	https://doi.org/10.13182/FST10-A9407
State	Published - Feb 2010
Externally published	Yes

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AB - Tearing modes often limit the performance of tokamak plasmas, because the magnetic islands which they generate lead to a loss of confinement, or even a disruption. A particularly dangerous instability is the neoclassical tearing mode, which can grow to a large amplitude because of the amplification effect that the bootstrap current has on an initial 'seed' magnetic island. This paper will address the mechanisms which dominate the neoclassical tearing mode evolution, and thereby identify possible control techniques.

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Neoclassical tearing modes

Abstract

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