You need JavaScript to view this

Detached divertor plasmas in JET

Abstract

In simulations with high radiated power fractions, it is possible to produce the drop in ion current to the divertor targets typical of detached plasmas. Despite the fact that these experiments are performed on beryllium target tiles, radiation from deuterium and beryllium cannot account for the measured power losses. The neutral deuterium levels in the SOL in these plasmas are higher than the model predicts. This may be due to leakage from the divertor or to additional wall sources related to the non-steady nature of these plasmas. In contrast, a surprisingly high level of carbon is present in these discharges; higher even than would be predicted are the divertor target tiles pure carbon. This level may well be large enough to produce the measured radiation. (authors). 6 refs., 2 figs., 1 tab.
Authors:
Horton, L D; Borrass, K; Corrigan, G; Gottardi, N; Lingertat, J; Loarte, A; Simonini, R; Stamp, M F; Taroni, A; [1]  Stangeby, P C [2] 
  1. Commission of the European Communities, Abingdon (United Kingdom). JET Joint Undertaking
  2. Toronto Univ., ON (Canada). Inst. for Aerospace Studies
Publication Date:
Jul 01, 1994
Product Type:
Conference
Report Number:
JET-P-94-29; CONF-9406270-
Reference Number:
SCA: 700330; 700340; PA: AIX-28:032664; EDB-97:058915; SN: 97001766249
Resource Relation:
Conference: 21. EPS conference on controlled fusion and plasma physics, Montpellier (France), 27 Jun - 1 Jul 1994; Other Information: PBD: Jul 1994; Related Information: Is Part Of Controlled fusion and plasma physics; PB: 240 p.
Subject:
70 PLASMA PHYSICS AND FUSION; PLASMA MACROINSTABILITIES; DIVERTORS; PLASMA SIMULATION; JET TOKAMAK; CARBON; MAGNETIC FIELD CONFIGURATIONS; PLASMA DISRUPTION; PLASMA IMPURITIES; PLASMA SCRAPE-OFF LAYER
OSTI ID:
456178
Research Organizations:
Commission of the European Communities, Abingdon (United Kingdom). JET Joint Undertaking
Country of Origin:
France
Language:
English
Other Identifying Numbers:
Other: ON: DE97621358; TRN: FR9701761032664
Availability:
INIS; OSTI as DE97621358
Submitting Site:
FRN
Size:
pp. 61-66
Announcement Date:

Citation Formats

Horton, L D, Borrass, K, Corrigan, G, Gottardi, N, Lingertat, J, Loarte, A, Simonini, R, Stamp, M F, Taroni, A, and Stangeby, P C. Detached divertor plasmas in JET. France: N. p., 1994. Web.
Horton, L D, Borrass, K, Corrigan, G, Gottardi, N, Lingertat, J, Loarte, A, Simonini, R, Stamp, M F, Taroni, A, & Stangeby, P C. Detached divertor plasmas in JET. France.
Horton, L D, Borrass, K, Corrigan, G, Gottardi, N, Lingertat, J, Loarte, A, Simonini, R, Stamp, M F, Taroni, A, and Stangeby, P C. 1994. "Detached divertor plasmas in JET." France.
@misc{etde_456178,
title = {Detached divertor plasmas in JET}
author = {Horton, L D, Borrass, K, Corrigan, G, Gottardi, N, Lingertat, J, Loarte, A, Simonini, R, Stamp, M F, Taroni, A, and Stangeby, P C}
abstractNote = {In simulations with high radiated power fractions, it is possible to produce the drop in ion current to the divertor targets typical of detached plasmas. Despite the fact that these experiments are performed on beryllium target tiles, radiation from deuterium and beryllium cannot account for the measured power losses. The neutral deuterium levels in the SOL in these plasmas are higher than the model predicts. This may be due to leakage from the divertor or to additional wall sources related to the non-steady nature of these plasmas. In contrast, a surprisingly high level of carbon is present in these discharges; higher even than would be predicted are the divertor target tiles pure carbon. This level may well be large enough to produce the measured radiation. (authors). 6 refs., 2 figs., 1 tab.}
place = {France}
year = {1994}
month = {Jul}
}