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Spectroscopic investigation of ELM phenomena in the ASDEX-Upgrade divertor with high time resolution

Journal Article:

Abstract

Improved tokamak H-mode confinement is associated with the formation of an insulating zone just within the separatrix. At a critical pressure gradient a sudden burst of MHD activity (an ELM) degrades edge confinement, releasing particles and energy into the scrape-off layer (SOL) which is subsequently transported to the divertor. Here, these phenomena are studied using spectroscopic diagnostics and target plate thermography of high spatial and temporal resolution. (author) 3 refs., 6 figs.
Authors:
Field, A R; Buechl, K; Fuchs, C J; Fussmann, G; Herrmann, A; Lieder, G; Napiontek, B; Radtke, R; Wenzel, U; Zohm, H [1] 
  1. Max-Planck-Institut fuer Plasmaphysik, Garching (Germany)
Publication Date:
Dec 31, 1993
Product Type:
Journal Article
Report Number:
CONF-930720-
Reference Number:
SCA: 700320; PA: AIX-27:030376; EDB-96:069408; SN: 96001571153
Resource Relation:
Journal Name: Europhysics Conference Abstracts; Journal Volume: 17C; Journal Issue: Part II; Conference: 20. European conference on controlled fusion and plasma physics, Lisbon (Portugal), 26-30 Jul 1993; Other Information: PBD: 1993
Subject:
70 PLASMA PHYSICS AND FUSION; ASDEX TOKAMAK; DIVERTORS; PLASMA DIAGNOSTICS; SPECTROSCOPY; EDGE LOCALIZED MODES; EXPERIMENTAL DATA; H-MODE PLASMA CONFINEMENT; MAGNETOHYDRODYNAMICS; PLASMA SCRAPE-OFF LAYER; PRESSURE GRADIENTS
OSTI ID:
211232
Country of Origin:
Switzerland
Language:
English
Other Identifying Numbers:
Journal ID: ECABDW; ISSN 0378-2271; TRN: CH9600134030376
Submitting Site:
CHN
Size:
pp. II-575-II-578
Announcement Date:
Apr 24, 1996

Journal Article:

Citation Formats

Field, A R, Buechl, K, Fuchs, C J, Fussmann, G, Herrmann, A, Lieder, G, Napiontek, B, Radtke, R, Wenzel, U, and Zohm, H. Spectroscopic investigation of ELM phenomena in the ASDEX-Upgrade divertor with high time resolution. Switzerland: N. p., 1993. Web.
Field, A R, Buechl, K, Fuchs, C J, Fussmann, G, Herrmann, A, Lieder, G, Napiontek, B, Radtke, R, Wenzel, U, & Zohm, H. Spectroscopic investigation of ELM phenomena in the ASDEX-Upgrade divertor with high time resolution. Switzerland.
Field, A R, Buechl, K, Fuchs, C J, Fussmann, G, Herrmann, A, Lieder, G, Napiontek, B, Radtke, R, Wenzel, U, and Zohm, H. 1993. "Spectroscopic investigation of ELM phenomena in the ASDEX-Upgrade divertor with high time resolution." Switzerland.
@misc{etde_211232,
title = {Spectroscopic investigation of ELM phenomena in the ASDEX-Upgrade divertor with high time resolution}
author = {Field, A R, Buechl, K, Fuchs, C J, Fussmann, G, Herrmann, A, Lieder, G, Napiontek, B, Radtke, R, Wenzel, U, and Zohm, H}
abstractNote = {Improved tokamak H-mode confinement is associated with the formation of an insulating zone just within the separatrix. At a critical pressure gradient a sudden burst of MHD activity (an ELM) degrades edge confinement, releasing particles and energy into the scrape-off layer (SOL) which is subsequently transported to the divertor. Here, these phenomena are studied using spectroscopic diagnostics and target plate thermography of high spatial and temporal resolution. (author) 3 refs., 6 figs.}
journal = {Europhysics Conference Abstracts}
issue = {Part II}
volume = {17C}
journal type = {AC}
place = {Switzerland}
year = {1993}
month = {Dec}
}