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research article

Neoclassical transport and alpha particle confinement in novel 3-D reactor systems

Fischer, O.  
•
Cooper, W. A.  
•
Isaev, M. Y.
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2002
Nuclear Fusion

Neoclassical transport and a particle confinement are analysed for three 3-D reactor designs-the QAS3, the ST/sphellamak hybrid and the sphellamak-using the VENUS code. It is observed that neither the QAS3 nor the ST/sphellamak is truly aquasi-axisymmetric configuration. Thus the transport is governed by the helical deformation of the magnetic Field strength, and these configurations do not effectively confine the trapped a particles. On the other hand, the sphellamak is a nearly isodynamic structure in the plasma core, which leads to almost perfect a confinement, and the neoclassical transport is very similar to that obtained in a 2-D equivalent tokamak.

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Type
research article
DOI
10.1088/0029-5515/42/7/304
Web of Science ID

WOS:000177712700005

Author(s)
Fischer, O.  
Cooper, W. A.  
Isaev, M. Y.
Villard, L.  
Date Issued

2002

Publisher

IOP Publishing Ltd

Published in
Nuclear Fusion
Volume

42

Issue

7

Start page

817

End page

826

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CRPP  
SPC  
Available on Infoscience
April 16, 2008
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/21871
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