Analysis of minority velocity distribution and power deposition profile in icrf heating in a tokamak

T. Morishita; A. Fukuyama; K. Hamamatsu; S. I. Itoh; K. Itoh

doi:10.1088/0029-5515/27/8/010

Analysis of minority velocity distribution and power deposition profile in icrf heating in a tokamak

T. Morishita, A. Fukuyama, K. Hamamatsu, S. I. Itoh, K. Itoh

Trustee(Vice President)

Research output: Contribution to journal › Review article › peer-review

9 Citations (Scopus)

Abstract

The power deposition profile in the two-ion hybrid resonance heating regime in tokamaks is studied by including the modification of the minority ion velocity distribution. The Fokker-Planck equation and the kinetic wave equation are solved numerically in order to describe the time evolution of the velocity distribution and the deposition profile. The power that is transferred coUisionally to the electrons and majority ions from the minority ions is also calculated. Application to the JET plasma demonstrates strong electron heating near the plasma centre. Control of the deposition profile by varying the minority ion concentration and the magnitude of the magnetic field is also discussed.

Original language	English
Pages (from-to)	1291-1307
Number of pages	17
Journal	Nuclear Fusion
Volume	27
Issue number	8
DOIs	https://doi.org/10.1088/0029-5515/27/8/010
Publication status	Published - Aug 1987

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Condensed Matter Physics

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abstract = "The power deposition profile in the two-ion hybrid resonance heating regime in tokamaks is studied by including the modification of the minority ion velocity distribution. The Fokker-Planck equation and the kinetic wave equation are solved numerically in order to describe the time evolution of the velocity distribution and the deposition profile. The power that is transferred coUisionally to the electrons and majority ions from the minority ions is also calculated. Application to the JET plasma demonstrates strong electron heating near the plasma centre. Control of the deposition profile by varying the minority ion concentration and the magnitude of the magnetic field is also discussed.",

author = "T. Morishita and A. Fukuyama and K. Hamamatsu and Itoh, {S. I.} and K. Itoh",

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AU - Morishita, T.

AU - Fukuyama, A.

AU - Hamamatsu, K.

AU - Itoh, S. I.

AU - Itoh, K.

PY - 1987/8

Y1 - 1987/8

N2 - The power deposition profile in the two-ion hybrid resonance heating regime in tokamaks is studied by including the modification of the minority ion velocity distribution. The Fokker-Planck equation and the kinetic wave equation are solved numerically in order to describe the time evolution of the velocity distribution and the deposition profile. The power that is transferred coUisionally to the electrons and majority ions from the minority ions is also calculated. Application to the JET plasma demonstrates strong electron heating near the plasma centre. Control of the deposition profile by varying the minority ion concentration and the magnitude of the magnetic field is also discussed.

AB - The power deposition profile in the two-ion hybrid resonance heating regime in tokamaks is studied by including the modification of the minority ion velocity distribution. The Fokker-Planck equation and the kinetic wave equation are solved numerically in order to describe the time evolution of the velocity distribution and the deposition profile. The power that is transferred coUisionally to the electrons and majority ions from the minority ions is also calculated. Application to the JET plasma demonstrates strong electron heating near the plasma centre. Control of the deposition profile by varying the minority ion concentration and the magnitude of the magnetic field is also discussed.

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EP - 1307

JO - Nuclear Fusion

JF - Nuclear Fusion

SN - 0029-5515

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Analysis of minority velocity distribution and power deposition profile in icrf heating in a tokamak

Abstract

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