Resistive vs. total power depositions by Alfvén modes in pre-heated low aspect ratio tokamaks

S. Cuperman; C. Bruma; K. Komoshvili

doi:10.1007/BF03166391

Resistive vs. total power depositions by Alfvén modes in pre-heated low aspect ratio tokamaks

S. Cuperman, C. Bruma, K. Komoshvili

Department of Physics

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

Abstract

The power deposition of fast waves launched by a LFS located antenna in a preheated, strongly non-uniform low aspect ratio tokamak (START) is investigated. The rigorous computational results indicate a total power deposition by far larger than that predicted for Alfvén continuum eigenmodes in cylindrical plasmas. For toroidal wave numbers {pipe}N{pipe} > 1, the resistive and total power depositions are almost equal.

Original language	English
Pages (from-to)	C129-C134
Journal	Czechoslovak Journal of Physics
Volume	54
Issue number	SUPPL. 3
DOIs	https://doi.org/10.1007/BF03166391
State	Published - Dec 2004

Keywords

Alfvén waves
Spherical tokamaks

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10.1007/BF03166391

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title = "Resistive vs. total power depositions by Alfv{\'e}n modes in pre-heated low aspect ratio tokamaks",

abstract = "The power deposition of fast waves launched by a LFS located antenna in a preheated, strongly non-uniform low aspect ratio tokamak (START) is investigated. The rigorous computational results indicate a total power deposition by far larger than that predicted for Alfv{\'e}n continuum eigenmodes in cylindrical plasmas. For toroidal wave numbers \{pipe\}N\{pipe\} > 1, the resistive and total power depositions are almost equal.",

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author = "S. Cuperman and C. Bruma and K. Komoshvili",

year = "2004",

month = dec,

doi = "10.1007/BF03166391",

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AU - Bruma, C.

AU - Komoshvili, K.

PY - 2004/12

Y1 - 2004/12

N2 - The power deposition of fast waves launched by a LFS located antenna in a preheated, strongly non-uniform low aspect ratio tokamak (START) is investigated. The rigorous computational results indicate a total power deposition by far larger than that predicted for Alfvén continuum eigenmodes in cylindrical plasmas. For toroidal wave numbers {pipe}N{pipe} > 1, the resistive and total power depositions are almost equal.

AB - The power deposition of fast waves launched by a LFS located antenna in a preheated, strongly non-uniform low aspect ratio tokamak (START) is investigated. The rigorous computational results indicate a total power deposition by far larger than that predicted for Alfvén continuum eigenmodes in cylindrical plasmas. For toroidal wave numbers {pipe}N{pipe} > 1, the resistive and total power depositions are almost equal.

KW - Alfvén waves

KW - Spherical tokamaks

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IS - SUPPL. 3

ER -

Resistive vs. total power depositions by Alfvén modes in pre-heated low aspect ratio tokamaks

Abstract

Keywords

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