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Neoclassical transport in stellarators - a comparison of conventional stellarator/torsatrons with the advanced stellarator, Wendelstein 7X

Abstract

A general expression for the magnitude of a stellarator's magnetic field, in terms of a Fourier decomposition, is too complicated to lend itself easily to analytic transport calculations. The great majority of stellarator-type devices, however, may be accurately described if one retains only those harmonics with m=0 and m=1. In the long-mean-free-path regime an analytical approximation to the particle's bounce-averaged kinetic equation can then be found. Using a numerical solution of this equation, it is possible to calculate the particle and heat fluxes due to helical-ripple transport in stellarators throughout the entire long-mean-free-path regime. 3 figs.
Authors:
Beidler, C D [1] 
  1. Max-Planck-Institut fuer Plasmaphysik, Garching (Germany)
Publication Date:
Jan 01, 1991
Product Type:
Conference
Report Number:
CONF-9106293-
Reference Number:
AIX-24-037087; EDB-93-067448
Resource Relation:
Journal Name: Europhysics Conference Abstracts; (Switzerland); Journal Volume: 15C:Part II; Conference: 18. European conference on controlled fusion and plasma heating, Berlin (Germany), 3-7 Jun 1991
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; MAGNETIC FIELDS; FOURIER ANALYSIS; TORSATRON STELLARATORS; NEOCLASSICAL TRANSPORT THEORY; WENDELSTEIN-7 STELLARATOR; ANALYTICAL SOLUTION; ASPECT RATIO; HARMONICS; KINETIC EQUATIONS; MAGNETIC FIELD RIPPLES; MATHEMATICAL MODELS; MEAN FREE PATH; PLASMA DRIFT; THEORETICAL DATA; TRAPPING; CLOSED PLASMA DEVICES; DATA; EQUATIONS; INFORMATION; MAGNETIC FIELD CONFIGURATIONS; NUMERICAL DATA; OSCILLATIONS; STELLARATORS; THERMONUCLEAR DEVICES; TRANSPORT THEORY; 700330* - Plasma Kinetics, Transport, & Impurities- (1992-)
OSTI ID:
6603122
Country of Origin:
Switzerland
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 0378-2271; CODEN: ECABDW
Submitting Site:
CHN
Size:
Pages: II-177-II-180
Announcement Date:

Citation Formats

Beidler, C D. Neoclassical transport in stellarators - a comparison of conventional stellarator/torsatrons with the advanced stellarator, Wendelstein 7X. Switzerland: N. p., 1991. Web.
Beidler, C D. Neoclassical transport in stellarators - a comparison of conventional stellarator/torsatrons with the advanced stellarator, Wendelstein 7X. Switzerland.
Beidler, C D. 1991. "Neoclassical transport in stellarators - a comparison of conventional stellarator/torsatrons with the advanced stellarator, Wendelstein 7X." Switzerland.
@misc{etde_6603122,
title = {Neoclassical transport in stellarators - a comparison of conventional stellarator/torsatrons with the advanced stellarator, Wendelstein 7X}
author = {Beidler, C D}
abstractNote = {A general expression for the magnitude of a stellarator's magnetic field, in terms of a Fourier decomposition, is too complicated to lend itself easily to analytic transport calculations. The great majority of stellarator-type devices, however, may be accurately described if one retains only those harmonics with m=0 and m=1. In the long-mean-free-path regime an analytical approximation to the particle's bounce-averaged kinetic equation can then be found. Using a numerical solution of this equation, it is possible to calculate the particle and heat fluxes due to helical-ripple transport in stellarators throughout the entire long-mean-free-path regime. 3 figs.}
journal = {Europhysics Conference Abstracts; (Switzerland)}
volume = {15C:Part II}
place = {Switzerland}
year = {1991}
month = {Jan}
}