Two-dimensional Fokker-Planck analysis of lower-hybrid current drive in tokamak devices

Hideaki Matsuura; Yasuyuki Nakao; Kazuhiko Kudo; Masao Ohta

Two-dimensional Fokker-Planck analysis of lower-hybrid current drive in tokamak devices

Hideaki Matsuura, Yasuyuki Nakao, Kazuhiko Kudo, Masao Ohta

Nuclear Energy Systems

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

Abstract

A lower-hybrid current drive analysis model is presented. This is a model to evaluate the current drive efficiency corresponding to a continuous rf-wave spectrum in the presence of the toroidal dc electric field. The two-dimensional Fokker-Planck equation itself is solved analytically to obtain the distribution function for resonant electrons in the velocity region. A simple expression for the current drive efficiency is derived by using the analytical solution.

Original language	English
Pages (from-to)	295-301
Number of pages	7
Journal	Memoirs of the Faculty of Engineering, Kyushu University
Volume	48
Issue number	4
Publication status	Published - Dec 1988

All Science Journal Classification (ASJC) codes

Engineering(all)

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title = "Two-dimensional Fokker-Planck analysis of lower-hybrid current drive in tokamak devices",

abstract = "A lower-hybrid current drive analysis model is presented. This is a model to evaluate the current drive efficiency corresponding to a continuous rf-wave spectrum in the presence of the toroidal dc electric field. The two-dimensional Fokker-Planck equation itself is solved analytically to obtain the distribution function for resonant electrons in the velocity region. A simple expression for the current drive efficiency is derived by using the analytical solution.",

author = "Hideaki Matsuura and Yasuyuki Nakao and Kazuhiko Kudo and Masao Ohta",

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AU - Ohta, Masao

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N2 - A lower-hybrid current drive analysis model is presented. This is a model to evaluate the current drive efficiency corresponding to a continuous rf-wave spectrum in the presence of the toroidal dc electric field. The two-dimensional Fokker-Planck equation itself is solved analytically to obtain the distribution function for resonant electrons in the velocity region. A simple expression for the current drive efficiency is derived by using the analytical solution.

AB - A lower-hybrid current drive analysis model is presented. This is a model to evaluate the current drive efficiency corresponding to a continuous rf-wave spectrum in the presence of the toroidal dc electric field. The two-dimensional Fokker-Planck equation itself is solved analytically to obtain the distribution function for resonant electrons in the velocity region. A simple expression for the current drive efficiency is derived by using the analytical solution.

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