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Ion cyclotron wall conditioning experiments on Tore Supra in presence of the toroidal magnetic field

Tom Wauters UGent, D Douai, S Brémond, E de la Cal, G Lombard, A Lyssoivan, B Pegourié, E Tsitrone, M Van Schoor and Guido Van Oost UGent (2009) AIP Conference Proceedings. In AIP Conference Proceedings 1187. p.173-176
abstract
Wall conditioning techniques applicable in the presence of the high toroidal magnetic field will be required for the operation of ITER for tritium removal, isotopic ratio control and recovery to normal operation after disruptions. Recently ion cyclotron wall conditioning (ICWC) experiments have been carried out on Tore Supra in order to assess the efficiency of this technique in ITER relevant conditions. The ICRF discharges were operated in He/H-2 Mixtures at the Tore Supra nominal field (3.8 T) and a RF frequency of 48 MHz, i.e. within the ITER operational space. RF pulses of 60 s (max.) were applied using a standard Tore Supra two-strap resonant double loop antenna in ICWC mode, operated either in pi or 0-phasing with a noticeable improvement of the RF coupling in the latter case. In order to assess the efficiency of the technique for the control of isotopic ratio the wall was first preloaded using a D-2 glow discharge. After 15 minutes of ICWC in He/H-2 gas mixtures the isotopic ratio was altered from 4% to 50% at the price of an important H implantation into the walls. An overall analysis comparing plasma production and the conditioning efficiency as a function of discharge parameters is given.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
keyword
ICRF discharge, Wall conditioning, Particle balance
in
AIP Conference Proceedings
AIP Conf. Proc.
editor
V Bobkov and Jean-Marie Noterdaeme UGent
series title
AIP Conference Proceedings
volume
1187
issue title
Radio frequency power in plasmas
pages
173 - 176
publisher
American Institute of Physics (AIP)
place of publication
Melville, NY, USA
conference name
18th Topical conference on Radio Frequence Power in Plasmas
conference location
Ghent, Belgium
conference start
2009-06-24
conference end
2009-06-26
Web of Science type
Proceedings Paper
Web of Science id
000276069400031
ISSN
0094-243X
ISBN
9780735407534
DOI
10.1063/1.3273721
language
English
UGent publication?
yes
classification
P1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1262954
handle
http://hdl.handle.net/1854/LU-1262954
date created
2011-06-15 10:52:10
date last changed
2011-06-16 10:29:50
@inproceedings{1262954,
  abstract     = {Wall conditioning techniques applicable in the presence of the high toroidal magnetic field will be required for the operation of ITER for tritium removal, isotopic ratio control and recovery to normal operation after disruptions. Recently ion cyclotron wall conditioning (ICWC) experiments have been carried out on Tore Supra in order to assess the efficiency of this technique in ITER relevant conditions. The ICRF discharges were operated in He/H-2 Mixtures at the Tore Supra nominal field (3.8 T) and a RF frequency of 48 MHz, i.e. within the ITER operational space. RF pulses of 60 s (max.) were applied using a standard Tore Supra two-strap resonant double loop antenna in ICWC mode, operated either in pi or 0-phasing with a noticeable improvement of the RF coupling in the latter case. In order to assess the efficiency of the technique for the control of isotopic ratio the wall was first preloaded using a D-2 glow discharge. After 15 minutes of ICWC in He/H-2 gas mixtures the isotopic ratio was altered from 4\% to 50\% at the price of an important H implantation into the walls. An overall analysis comparing plasma production and the conditioning efficiency as a function of discharge parameters is given.},
  author       = {Wauters, Tom and Douai, D and Br{\'e}mond, S and de la Cal, E and Lombard, G and Lyssoivan, A and Pegouri{\'e}, B and Tsitrone, E and Van Schoor, M and Van Oost, Guido},
  booktitle    = {AIP Conference Proceedings},
  editor       = {Bobkov, V and Noterdaeme, Jean-Marie},
  isbn         = {9780735407534},
  issn         = {0094-243X},
  keyword      = {ICRF discharge,Wall conditioning,Particle balance},
  language     = {eng},
  location     = {Ghent, Belgium},
  pages        = {173--176},
  publisher    = {American Institute of Physics (AIP)},
  title        = {Ion cyclotron wall conditioning experiments on Tore Supra in presence of the toroidal magnetic field},
  url          = {http://dx.doi.org/10.1063/1.3273721},
  volume       = {1187},
  year         = {2009},
}

Chicago
Wauters, Tom, D Douai, S Brémond, E de la Cal, G Lombard, A Lyssoivan, B Pegourié, E Tsitrone, M Van Schoor, and Guido Van Oost. 2009. “Ion Cyclotron Wall Conditioning Experiments on Tore Supra in Presence of the Toroidal Magnetic Field.” In AIP Conference Proceedings, ed. V Bobkov and Jean-Marie Noterdaeme, 1187:173–176. Melville, NY, USA: American Institute of Physics (AIP).
APA
Wauters, Tom, Douai, D., Brémond, S., de la Cal, E., Lombard, G., Lyssoivan, A., Pegourié, B., et al. (2009). Ion cyclotron wall conditioning experiments on Tore Supra in presence of the toroidal magnetic field. In V. Bobkov & J.-M. Noterdaeme (Eds.), AIP Conference Proceedings (Vol. 1187, pp. 173–176). Presented at the 18th Topical conference on Radio Frequence Power in Plasmas, Melville, NY, USA: American Institute of Physics (AIP).
Vancouver
1.
Wauters T, Douai D, Brémond S, de la Cal E, Lombard G, Lyssoivan A, et al. Ion cyclotron wall conditioning experiments on Tore Supra in presence of the toroidal magnetic field. In: Bobkov V, Noterdaeme J-M, editors. AIP Conference Proceedings. Melville, NY, USA: American Institute of Physics (AIP); 2009. p. 173–6.
MLA
Wauters, Tom, D Douai, S Brémond, et al. “Ion Cyclotron Wall Conditioning Experiments on Tore Supra in Presence of the Toroidal Magnetic Field.” AIP Conference Proceedings. Ed. V Bobkov & Jean-Marie Noterdaeme. Vol. 1187. Melville, NY, USA: American Institute of Physics (AIP), 2009. 173–176. Print.