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Title: The effect of toroidal plasma rotation on electron cyclotron current drive efficiency

Abstract

In plasmas with toroidal rotation, the ions are pushed towards the low-field side of the torus by the centrifugal force. An electrostatic potential is set up to maintain charge neutrality which tends to attract electrons towards the low-field side of the torus. Due to this electrostatic potential, the trapped/passing boundary in the electron velocity space changes from a cone for stationary plasmas to an hyperboloid in a rotating plasma. This reduces the phase space for passing electrons. This paper attempts to address rotation effects on the electron cyclotron current drive efficiency. (c) 1999 American Institute of Physics.

Authors:
 [1];  [2];  [2];  [2]
  1. Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08543 (United States)
  2. General Atomics, P.O. Box 85608, San Diego, California 92186-9784 (United States)
Publication Date:
OSTI Identifier:
20216695
Resource Type:
Journal Article
Journal Name:
AIP Conference Proceedings
Additional Journal Information:
Journal Volume: 485; Journal Issue: 1; Other Information: PBD: 20 Sep 1999; Journal ID: ISSN 0094-243X
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; CURRENT-DRIVE HEATING; ECR HEATING; PLASMA SIMULATION; FOKKER-PLANCK EQUATION; TOKAMAK TYPE REACTORS; THEORETICAL DATA

Citation Formats

Wong, K. L., Lin-Liu, Y. R., Luce, T. C., and Prater, R. The effect of toroidal plasma rotation on electron cyclotron current drive efficiency. United States: N. p., 1999. Web. doi:10.1063/1.59675.
Wong, K. L., Lin-Liu, Y. R., Luce, T. C., & Prater, R. The effect of toroidal plasma rotation on electron cyclotron current drive efficiency. United States. doi:10.1063/1.59675.
Wong, K. L., Lin-Liu, Y. R., Luce, T. C., and Prater, R. Mon . "The effect of toroidal plasma rotation on electron cyclotron current drive efficiency". United States. doi:10.1063/1.59675.
@article{osti_20216695,
title = {The effect of toroidal plasma rotation on electron cyclotron current drive efficiency},
author = {Wong, K. L. and Lin-Liu, Y. R. and Luce, T. C. and Prater, R.},
abstractNote = {In plasmas with toroidal rotation, the ions are pushed towards the low-field side of the torus by the centrifugal force. An electrostatic potential is set up to maintain charge neutrality which tends to attract electrons towards the low-field side of the torus. Due to this electrostatic potential, the trapped/passing boundary in the electron velocity space changes from a cone for stationary plasmas to an hyperboloid in a rotating plasma. This reduces the phase space for passing electrons. This paper attempts to address rotation effects on the electron cyclotron current drive efficiency. (c) 1999 American Institute of Physics.},
doi = {10.1063/1.59675},
journal = {AIP Conference Proceedings},
issn = {0094-243X},
number = 1,
volume = 485,
place = {United States},
year = {1999},
month = {9}
}