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Parallel impurity dynamics in the TJ-II stellarator

Abstract:

We review in a tutorial fashion some of the causes of impurity density variations along field lines and radial impurity transport in the moment approach framework. An explicit and compact form of the parallel inertia force valid for arbitrary toroidal geometry and magnetic coordinates is derived and shown to be non-negligible for typical TJ-II plasma conditions. In the second part of the article, we apply the fluid model including main ion-impurity friction and inertia to observations of asym...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1088/0741-3335/58/7/074009

Authors


Alonso, J.A. More by this author
Velasco, J.L. More by this author
Estrada, T. More by this author
Fontdecaba, J.M. More by this author
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Publisher:
IOP Science Publisher's website
Journal:
Plasma Physics and Controlled Fusion Journal website
Volume:
58
Issue:
7
Pages:
Article: 074009
Publication date:
2016-06-10
DOI:
EISSN:
1361-6587
ISSN:
0741-3335
URN:
uuid:2fb1e900-ae7e-43c6-a986-e4ebf684ee2e
Source identifiers:
617553
Local pid:
pubs:617553

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