Eintrag weiter verarbeiten
Online-Ressource

Spontaneous rotation sources in a quiescent tokamak edge plasma

Gespeichert in:

Bibliographische Detailangaben
Zeitschriftentitel: Physics of Plasmas
Personen und Körperschaften: Chang, C. S., Ku, S.
In: Physics of Plasmas, 15, 2008, 6
Format: E-Article
Sprache: Englisch
veröffentlicht:
AIP Publishing
Schlagwörter:
Condensed Matter Physics
author_facet Chang, C. S.
Ku, S.
Chang, C. S.
Ku, S.
author Chang, C. S.
Ku, S.
spellingShingle Chang, C. S.
Ku, S.
Physics of Plasmas
Spontaneous rotation sources in a quiescent tokamak edge plasma
Condensed Matter Physics
author_sort chang, c. s.
spelling Chang, C. S. Ku, S. 1070-664X 1089-7674 AIP Publishing Condensed Matter Physics http://dx.doi.org/10.1063/1.2937116 <jats:p>Spontaneous rotation sources in a quiescent tokamak edge plasma are studied without an external momentum source, such as, beam injected or wall-born neutrals. Discussions are based upon example neoclassical solutions from an edge gyrokinetic particle code. The main study is performed in a DIII-D plasma [J. L. Luxon, Nucl. Fusion 42, 614 (2002)] with the ion Grad-B drift directed toward the single-null divertor. Comparison with a reversed Grad-B drift case is also shown. It is found that there is a robust spontaneous co-current toroidal plasma rotation source in the far scrape-off plasma due to the wall sheath effect. As the edge pedestal width becomes narrower, the co-current rotation in the far scrape-off becomes weaker, but there appears a stronger co-current rotation in the pedestal top/shoulder from the X-point orbit loss effect, possibly providing a co-rotation boundary condition to the core plasma. Reversal of the magnetic field and plasma current brings down the overall co-rotation, especially in the far scrape-off plasma.</jats:p> Spontaneous rotation sources in a quiescent tokamak edge plasma Physics of Plasmas
doi_str_mv 10.1063/1.2937116
facet_avail Online
finc_class_facet Physik
format ElectronicArticle
fullrecord blob:ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTA2My8xLjI5MzcxMTY
id ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTA2My8xLjI5MzcxMTY
institution DE-Gla1
DE-Zi4
DE-15
DE-Pl11
DE-Rs1
DE-105
DE-14
DE-Ch1
DE-L229
DE-D275
DE-Bn3
DE-Brt1
DE-D161
imprint AIP Publishing, 2008
imprint_str_mv AIP Publishing, 2008
issn 1070-664X
1089-7674
issn_str_mv 1070-664X
1089-7674
language English
mega_collection AIP Publishing (CrossRef)
match_str chang2008spontaneousrotationsourcesinaquiescenttokamakedgeplasma
publishDateSort 2008
publisher AIP Publishing
recordtype ai
record_format ai
series Physics of Plasmas
source_id 49
title Spontaneous rotation sources in a quiescent tokamak edge plasma
title_unstemmed Spontaneous rotation sources in a quiescent tokamak edge plasma
title_full Spontaneous rotation sources in a quiescent tokamak edge plasma
title_fullStr Spontaneous rotation sources in a quiescent tokamak edge plasma
title_full_unstemmed Spontaneous rotation sources in a quiescent tokamak edge plasma
title_short Spontaneous rotation sources in a quiescent tokamak edge plasma
title_sort spontaneous rotation sources in a quiescent tokamak edge plasma
topic Condensed Matter Physics
url http://dx.doi.org/10.1063/1.2937116
publishDate 2008
physical
description <jats:p>Spontaneous rotation sources in a quiescent tokamak edge plasma are studied without an external momentum source, such as, beam injected or wall-born neutrals. Discussions are based upon example neoclassical solutions from an edge gyrokinetic particle code. The main study is performed in a DIII-D plasma [J. L. Luxon, Nucl. Fusion 42, 614 (2002)] with the ion Grad-B drift directed toward the single-null divertor. Comparison with a reversed Grad-B drift case is also shown. It is found that there is a robust spontaneous co-current toroidal plasma rotation source in the far scrape-off plasma due to the wall sheath effect. As the edge pedestal width becomes narrower, the co-current rotation in the far scrape-off becomes weaker, but there appears a stronger co-current rotation in the pedestal top/shoulder from the X-point orbit loss effect, possibly providing a co-rotation boundary condition to the core plasma. Reversal of the magnetic field and plasma current brings down the overall co-rotation, especially in the far scrape-off plasma.</jats:p>
container_issue 6
container_start_page 0
container_title Physics of Plasmas
container_volume 15
format_de105 Article, E-Article
format_de14 Article, E-Article
format_de15 Article, E-Article
format_de520 Article, E-Article
format_de540 Article, E-Article
format_dech1 Article, E-Article
format_ded117 Article, E-Article
format_degla1 E-Article
format_del152 Buch
format_del189 Article, E-Article
format_dezi4 Article
format_dezwi2 Article, E-Article
format_finc Article, E-Article
format_nrw Article, E-Article
_version_ 1792344028968124433
geogr_code not assigned
last_indexed 2024-03-01T17:01:02.333Z
geogr_code_person not assigned
openURL url_ver=Z39.88-2004&ctx_ver=Z39.88-2004&ctx_enc=info%3Aofi%2Fenc%3AUTF-8&rfr_id=info%3Asid%2Fvufind.svn.sourceforge.net%3Agenerator&rft.title=Spontaneous+rotation+sources+in+a+quiescent+tokamak+edge+plasma&rft.date=2008-06-01&genre=article&issn=1089-7674&volume=15&issue=6&jtitle=Physics+of+Plasmas&atitle=Spontaneous+rotation+sources+in+a+quiescent+tokamak+edge+plasma&aulast=Ku&aufirst=S.&rft_id=info%3Adoi%2F10.1063%2F1.2937116&rft.language%5B0%5D=eng
SOLR
_version_ 1792344028968124433
author Chang, C. S., Ku, S.
author_facet Chang, C. S., Ku, S., Chang, C. S., Ku, S.
author_sort chang, c. s.
container_issue 6
container_start_page 0
container_title Physics of Plasmas
container_volume 15
description <jats:p>Spontaneous rotation sources in a quiescent tokamak edge plasma are studied without an external momentum source, such as, beam injected or wall-born neutrals. Discussions are based upon example neoclassical solutions from an edge gyrokinetic particle code. The main study is performed in a DIII-D plasma [J. L. Luxon, Nucl. Fusion 42, 614 (2002)] with the ion Grad-B drift directed toward the single-null divertor. Comparison with a reversed Grad-B drift case is also shown. It is found that there is a robust spontaneous co-current toroidal plasma rotation source in the far scrape-off plasma due to the wall sheath effect. As the edge pedestal width becomes narrower, the co-current rotation in the far scrape-off becomes weaker, but there appears a stronger co-current rotation in the pedestal top/shoulder from the X-point orbit loss effect, possibly providing a co-rotation boundary condition to the core plasma. Reversal of the magnetic field and plasma current brings down the overall co-rotation, especially in the far scrape-off plasma.</jats:p>
doi_str_mv 10.1063/1.2937116
facet_avail Online
finc_class_facet Physik
format ElectronicArticle
format_de105 Article, E-Article
format_de14 Article, E-Article
format_de15 Article, E-Article
format_de520 Article, E-Article
format_de540 Article, E-Article
format_dech1 Article, E-Article
format_ded117 Article, E-Article
format_degla1 E-Article
format_del152 Buch
format_del189 Article, E-Article
format_dezi4 Article
format_dezwi2 Article, E-Article
format_finc Article, E-Article
format_nrw Article, E-Article
geogr_code not assigned
geogr_code_person not assigned
id ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTA2My8xLjI5MzcxMTY
imprint AIP Publishing, 2008
imprint_str_mv AIP Publishing, 2008
institution DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-D161
issn 1070-664X, 1089-7674
issn_str_mv 1070-664X, 1089-7674
language English
last_indexed 2024-03-01T17:01:02.333Z
match_str chang2008spontaneousrotationsourcesinaquiescenttokamakedgeplasma
mega_collection AIP Publishing (CrossRef)
physical
publishDate 2008
publishDateSort 2008
publisher AIP Publishing
record_format ai
recordtype ai
series Physics of Plasmas
source_id 49
spelling Chang, C. S. Ku, S. 1070-664X 1089-7674 AIP Publishing Condensed Matter Physics http://dx.doi.org/10.1063/1.2937116 <jats:p>Spontaneous rotation sources in a quiescent tokamak edge plasma are studied without an external momentum source, such as, beam injected or wall-born neutrals. Discussions are based upon example neoclassical solutions from an edge gyrokinetic particle code. The main study is performed in a DIII-D plasma [J. L. Luxon, Nucl. Fusion 42, 614 (2002)] with the ion Grad-B drift directed toward the single-null divertor. Comparison with a reversed Grad-B drift case is also shown. It is found that there is a robust spontaneous co-current toroidal plasma rotation source in the far scrape-off plasma due to the wall sheath effect. As the edge pedestal width becomes narrower, the co-current rotation in the far scrape-off becomes weaker, but there appears a stronger co-current rotation in the pedestal top/shoulder from the X-point orbit loss effect, possibly providing a co-rotation boundary condition to the core plasma. Reversal of the magnetic field and plasma current brings down the overall co-rotation, especially in the far scrape-off plasma.</jats:p> Spontaneous rotation sources in a quiescent tokamak edge plasma Physics of Plasmas
spellingShingle Chang, C. S., Ku, S., Physics of Plasmas, Spontaneous rotation sources in a quiescent tokamak edge plasma, Condensed Matter Physics
title Spontaneous rotation sources in a quiescent tokamak edge plasma
title_full Spontaneous rotation sources in a quiescent tokamak edge plasma
title_fullStr Spontaneous rotation sources in a quiescent tokamak edge plasma
title_full_unstemmed Spontaneous rotation sources in a quiescent tokamak edge plasma
title_short Spontaneous rotation sources in a quiescent tokamak edge plasma
title_sort spontaneous rotation sources in a quiescent tokamak edge plasma
title_unstemmed Spontaneous rotation sources in a quiescent tokamak edge plasma
topic Condensed Matter Physics
url http://dx.doi.org/10.1063/1.2937116