MHD Stability Calculations of High-Beta Quasi-Axisymmetric Stellarators

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Description

The MHD stability of quasi-axisymmetric compact stellarators is investigated. It is shown that bootstrap current driven external kink modes can be stabilized by a combination of edge magnetic shear and appropriate 3D plasma boundary shaping while maintaining good quasi-axisymmetry. The results demonstrate that there exists a new class of stellarators with quasi-axisymmetry, large bootstrap current, high MHD beta limit, and compact size.

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112 Kilobytes pages

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Kessel, C.; Fu, G.Y.; Ku, L.P.; Redi, M.H.; Pomphrey, N. & al, et September 1, 1999.

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Description

The MHD stability of quasi-axisymmetric compact stellarators is investigated. It is shown that bootstrap current driven external kink modes can be stabilized by a combination of edge magnetic shear and appropriate 3D plasma boundary shaping while maintaining good quasi-axisymmetry. The results demonstrate that there exists a new class of stellarators with quasi-axisymmetry, large bootstrap current, high MHD beta limit, and compact size.

Physical Description

112 Kilobytes pages

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INIS; OSTI as DE00012170

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  • Other Information: PBD: 1 Sep 1999

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  • Report No.: PPPL-3357
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/12170 | External Link
  • Office of Scientific & Technical Information Report Number: 12170
  • Archival Resource Key: ark:/67531/metadc623271

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  • September 1, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 18, 2016, 1:01 p.m.

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Kessel, C.; Fu, G.Y.; Ku, L.P.; Redi, M.H.; Pomphrey, N. & al, et. MHD Stability Calculations of High-Beta Quasi-Axisymmetric Stellarators, report, September 1, 1999; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc623271/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.