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Journal article

Optimizing stellarators for large flows

Abstract:

Plasma flow is damped in stellarators because they are not intrinsically ambipolar, unlike tokamaks, in which the flux-surface averaged radial electric current vanishes for any value of the radial electric field. Only quasisymmetric stellarators are intrinsically ambipolar, but exact quasisymmetry is impossible to achieve in non-axisymmetric toroidal configurations. By calculating the violation of intrinsic ambipolarity due to deviations from quasisymmetry, one can derive criteria to assess w...

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Publication status:
Published

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Publisher:
Institute of Physics Publishing
Journal:
Plasma Physics and Controlled Fusion
Volume:
56
Issue:
9
Pages:
094003
Publication date:
2014-05-05
DOI:
EISSN:
1361-6587
ISSN:
0741-3335
URN:
uuid:070867dc-6c8b-4ba2-8f7a-e7ac62c32541
Source identifiers:
464572
Local pid:
pubs:464572
Language:
English
Keywords:

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