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Title: Electron inertial effects on rotating magnetic field current drive

Abstract

The effect of finite electron mass on the formation and sustainment of a field reversed configuration (FRC) by rotating magnetic fields (RMF) is studied. The importance of inertial effects is measured by the ratio between the RMF frequency ({omega}) and the electron-ion collision frequency ({nu}). In the limit where this ratio is very small ({omega}/{nu}{yields}0), previous results corresponding to massless electrons are recovered. When {omega}/{nu} increases there are significant changes in the value of the minimum external rotating field needed to sustain the FRC and the time required to reach a steady state. Since {nu} decreases with increasing temperature and decreasing density, these effects are expected to become more important as fusion relevant temperatures are approached.

Authors:
; ;  [1];  [2]
  1. Centro Atomico Bariloche (CNEA) and Instituto Balseiro - UNC-CNEA, 8400 S. C. de Bariloche, RN (Argentina)
  2. (Brazil)
Publication Date:
OSTI Identifier:
20782558
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 13; Journal Issue: 3; Other Information: DOI: 10.1063/1.2185608; (c) 2006 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; CHARGED-PARTICLE TRANSPORT; ELECTRON TEMPERATURE; ELECTRON-ION COLLISIONS; ELECTRONS; FIELD-REVERSED THETA PINCH DEVICES; ION TEMPERATURE; MAGNETIC FIELDS; PLASMA; PLASMA DENSITY; REVERSE-FIELD PINCH; REVERSED-FIELD PINCH DEVICES; STEADY-STATE CONDITIONS

Citation Formats

Ferrari, Hugo E., Farengo, Ricardo, Clemente, Roberto A., and Universidade Estadual de Campinas, Instituto de Fisica Gleb Wataghin 13083-970 Campinas, SP. Electron inertial effects on rotating magnetic field current drive. United States: N. p., 2006. Web. doi:10.1063/1.2185608.
Ferrari, Hugo E., Farengo, Ricardo, Clemente, Roberto A., & Universidade Estadual de Campinas, Instituto de Fisica Gleb Wataghin 13083-970 Campinas, SP. Electron inertial effects on rotating magnetic field current drive. United States. doi:10.1063/1.2185608.
Ferrari, Hugo E., Farengo, Ricardo, Clemente, Roberto A., and Universidade Estadual de Campinas, Instituto de Fisica Gleb Wataghin 13083-970 Campinas, SP. Wed . "Electron inertial effects on rotating magnetic field current drive". United States. doi:10.1063/1.2185608.
@article{osti_20782558,
title = {Electron inertial effects on rotating magnetic field current drive},
author = {Ferrari, Hugo E. and Farengo, Ricardo and Clemente, Roberto A. and Universidade Estadual de Campinas, Instituto de Fisica Gleb Wataghin 13083-970 Campinas, SP},
abstractNote = {The effect of finite electron mass on the formation and sustainment of a field reversed configuration (FRC) by rotating magnetic fields (RMF) is studied. The importance of inertial effects is measured by the ratio between the RMF frequency ({omega}) and the electron-ion collision frequency ({nu}). In the limit where this ratio is very small ({omega}/{nu}{yields}0), previous results corresponding to massless electrons are recovered. When {omega}/{nu} increases there are significant changes in the value of the minimum external rotating field needed to sustain the FRC and the time required to reach a steady state. Since {nu} decreases with increasing temperature and decreasing density, these effects are expected to become more important as fusion relevant temperatures are approached.},
doi = {10.1063/1.2185608},
journal = {Physics of Plasmas},
number = 3,
volume = 13,
place = {United States},
year = {Wed Mar 15 00:00:00 EST 2006},
month = {Wed Mar 15 00:00:00 EST 2006}
}