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2-Dimensional analysis of ICRF wave propagation and absorption on KSTAR plasma

B.G. Hong, M. H. Ju, T. K. Mau

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Abstract

For the efficient current drive, the structure of ICRF wave propagation and absorption in a tokamak plasma should be first investigated. In this paper, two dimensional study on FWCD as well as ICRF minority ion heating for the KSTAR [Korea Superconducting TokAmak Research] [1] plasma were performed by using the full wave code of TORIC [2]. The ICRF wave propagation and absorption structures, the competitive power absorption fractions between electrons and ions and the coupling of antenna/plasma such as the antenna impedance are investigated.

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What this paper is about

For the efficient current drive, the structure of ICRF wave propagation and absorption in a tokamak plasma should be first investigated. In this paper, two dimensional study on FWCD as well as ICRF minority ion heating for the KSTAR [Korea Superconducting TokAmak Research] [1] plasma were performed by using the full wave code of TORIC [2]. The ICRF wave propagation and absorption structures, the competitive power absorption fractions between electrons and ions and the coupling of antenna/plasma such as the antenna impedance are investigated.

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Available abstract

For the efficient current drive, the structure of ICRF wave propagation and absorption in a tokamak plasma should be first investigated. In this paper, two dimensional study on FWCD as well as ICRF minority ion heating for the KSTAR [Korea Superconducting TokAmak Research] [1] plasma were performed by using the full wave code of TORIC [2]. The ICRF wave propagation and absorption structures, the competitive power absorption fractions between electrons and ions and the coupling of antenna/plasma such as the antenna impedance are investigated.

Key concepts: KSTAR, Tokamak, Plasma, Absorption (acoustics), Antenna (radio), Ion, Electron, Atomic physics

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