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Particle-in-cell simulations of plasma interaction with shaped and unshaped gaps in TEXTOR

M Komm, R Dejarnac, JP Gunn, A Kirschner, A Litnovsky, Dmitry Matveev UGent and Z Pekarek (2011) PLASMA PHYSICS AND CONTROLLED FUSION. 53(11).
abstract
This paper presents particle-in-cell simulations of the plasma behaviour in the vicinity of gaps in castellated plasma-facing components (PFCs). The point of interest was the test limiter of the TEXTOR tokamak, a PFC designed for studies of plasma–wall interactions, in particular, related to impurity transport and fuel retention. Simulations were performed for various plasma conditions in the vicinity of the castellated surface, where the gaps can be either shaped or unshaped. It was observed that depending on plasma parameters the transport of plasma particles inside the gap can be either in potential- or geometry-dominated regimes. The mechanisms responsible for the formation of a potential peak inside the poloidal gap and its consequences on plasma deposition profiles are discussed. A study of gap shaping was performed in order to validate its effectiveness.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
DEPOSITION, TILE GAPS
journal title
PLASMA PHYSICS AND CONTROLLED FUSION
Plasma Phys. Control. Fusion
volume
53
issue
11
article_number
115004
pages
11 pages
Web of Science type
Article
Web of Science id
000296603200005
JCR category
PHYSICS, FLUIDS & PLASMAS
JCR impact factor
2.425 (2011)
JCR rank
9/31 (2011)
JCR quartile
2 (2011)
ISSN
0741-3335
DOI
10.1088/0741-3335/53/11/115004
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
2024435
handle
http://hdl.handle.net/1854/LU-2024435
date created
2012-02-08 17:15:56
date last changed
2012-10-01 00:30:41
@article{2024435,
  abstract     = {This paper presents particle-in-cell simulations of the plasma behaviour in the vicinity of gaps in castellated plasma-facing components (PFCs). The point of interest was the test limiter of the TEXTOR tokamak, a PFC designed for studies of plasma--wall interactions, in particular, related to impurity transport and fuel retention. Simulations were performed for various plasma conditions in the vicinity of the castellated surface, where the gaps can be either shaped or unshaped. It was observed that depending on plasma parameters the transport of plasma particles inside the gap can be either in potential- or geometry-dominated regimes. The mechanisms responsible for the formation of a potential peak inside the poloidal gap and its consequences on plasma deposition profiles are discussed. A study of gap shaping was performed in order to validate its effectiveness.},
  articleno    = {115004},
  author       = {Komm, M and Dejarnac, R and Gunn, JP and Kirschner, A and Litnovsky, A and Matveev, Dmitry and Pekarek, Z},
  issn         = {0741-3335},
  journal      = {PLASMA PHYSICS AND CONTROLLED FUSION},
  keyword      = {DEPOSITION,TILE GAPS},
  language     = {eng},
  number       = {11},
  pages        = {11},
  title        = {Particle-in-cell simulations of plasma interaction with shaped and unshaped gaps in TEXTOR},
  url          = {http://dx.doi.org/10.1088/0741-3335/53/11/115004},
  volume       = {53},
  year         = {2011},
}

Chicago
Komm, M, R Dejarnac, JP Gunn, A Kirschner, A Litnovsky, Dmitry Matveev, and Z Pekarek. 2011. “Particle-in-cell Simulations of Plasma Interaction with Shaped and Unshaped Gaps in TEXTOR.” Plasma Physics and Controlled Fusion 53 (11).
APA
Komm, M., Dejarnac, R., Gunn, J., Kirschner, A., Litnovsky, A., Matveev, D., & Pekarek, Z. (2011). Particle-in-cell simulations of plasma interaction with shaped and unshaped gaps in TEXTOR. PLASMA PHYSICS AND CONTROLLED FUSION, 53(11).
Vancouver
1.
Komm M, Dejarnac R, Gunn J, Kirschner A, Litnovsky A, Matveev D, et al. Particle-in-cell simulations of plasma interaction with shaped and unshaped gaps in TEXTOR. PLASMA PHYSICS AND CONTROLLED FUSION. 2011;53(11).
MLA
Komm, M, R Dejarnac, JP Gunn, et al. “Particle-in-cell Simulations of Plasma Interaction with Shaped and Unshaped Gaps in TEXTOR.” PLASMA PHYSICS AND CONTROLLED FUSION 53.11 (2011): n. pag. Print.