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Effects of discharge cleaning on the production of runaway electrons in TORTUS tokamak

Journal Article:

Abstract

Experimental results are presented on the production of runaway electrons as a function of wall cleanliness in the TORTUS tokamak. When the walls are clean, the production rate decreases as the filling pressure increases. When the walls are contaminated by oxygen, the production rate can increase when the filling pressure is increased, owing to the production of water vapour during tokamak discharges. These results resolve the differences reported in the literature on the production of runaways as a function of filling pressure. It is also observed that the runaway electron instability seen in other devices is suppressed when the walls are discharge-cleaned.
Publication Date:
Jun 01, 1983
Product Type:
Journal Article
Reference Number:
AIX-14-785071; EDB-83-181960
Resource Relation:
Journal Name: Nucl. Fusion; (Austria); Journal Volume: 23:6
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; TOKAMAK DEVICES; RUNAWAY ELECTRONS; ELECTRON DENSITY; EMISSION SPECTRA; EXPERIMENTAL DATA; HARD X RADIATION; WATER VAPOR; CLOSED PLASMA DEVICES; DATA; ELECTROMAGNETIC RADIATION; ELECTRONS; ELEMENTARY PARTICLES; FERMIONS; FLUIDS; GASES; INFORMATION; IONIZING RADIATIONS; LEPTONS; NUMERICAL DATA; RADIATIONS; SPECTRA; THERMONUCLEAR DEVICES; VAPORS; X RADIATION; 700104* - Fusion Energy- Plasma Research- Plasma Kinetics-Experimental- (-1987)
OSTI ID:
5589138
Country of Origin:
Austria
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: NUFUA
Submitting Site:
HEDB
Size:
Pages: 791-797
Announcement Date:
Sep 01, 1983

Journal Article:

Citation Formats

Cross, R C, Liu, J R, and Giannone, L. (Sydney Univ. (Australia). School of Physics). Effects of discharge cleaning on the production of runaway electrons in TORTUS tokamak. Austria: N. p., 1983. Web.
Cross, R C, Liu, J R, & Giannone, L. (Sydney Univ. (Australia). School of Physics). Effects of discharge cleaning on the production of runaway electrons in TORTUS tokamak. Austria.
Cross, R C, Liu, J R, and Giannone, L. (Sydney Univ. (Australia). School of Physics). 1983. "Effects of discharge cleaning on the production of runaway electrons in TORTUS tokamak." Austria.
@misc{etde_5589138,
title = {Effects of discharge cleaning on the production of runaway electrons in TORTUS tokamak}
author = {Cross, R C, Liu, J R, and Giannone, L. (Sydney Univ. (Australia). School of Physics)}
abstractNote = {Experimental results are presented on the production of runaway electrons as a function of wall cleanliness in the TORTUS tokamak. When the walls are clean, the production rate decreases as the filling pressure increases. When the walls are contaminated by oxygen, the production rate can increase when the filling pressure is increased, owing to the production of water vapour during tokamak discharges. These results resolve the differences reported in the literature on the production of runaways as a function of filling pressure. It is also observed that the runaway electron instability seen in other devices is suppressed when the walls are discharge-cleaned.}
journal = {Nucl. Fusion; (Austria)}
volume = {23:6}
journal type = {AC}
place = {Austria}
year = {1983}
month = {Jun}
}