Control-Matrix Approach to NCSX Design

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The control matrix approach to stellarator design yields a description of the combinations of ''control knobs'' Zj which can be adjusted to provide independent control of physics figures of merit Pi (e.g., ripple levels or kink growth rates), as well as those combinations which affect none of these Pi. This can be used both in finding superior design points, as well as in using a configuration's control knobs to have good operational flexibility about those design points. We have set up the machinery needed to perform this analysis, and here present initial results of its application to some candidate Quasi-Axisymmetric ... continued below

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237 Kilobytes pages

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Mynick, H.E. & Pomphrey, N. October 1, 1999.

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Description

The control matrix approach to stellarator design yields a description of the combinations of ''control knobs'' Zj which can be adjusted to provide independent control of physics figures of merit Pi (e.g., ripple levels or kink growth rates), as well as those combinations which affect none of these Pi. This can be used both in finding superior design points, as well as in using a configuration's control knobs to have good operational flexibility about those design points. We have set up the machinery needed to perform this analysis, and here present initial results of its application to some candidate Quasi-Axisymmetric (QA) configurations. In the process of the analysis, a first exploration of the topography of the configuration space Z in the vicinity of these candidate systems has been performed, whose character is discussed.

Physical Description

237 Kilobytes pages

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INIS; OSTI as DE00013845

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  • Other Information: PBD: 1 Oct 1999

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  • Report No.: PPPL-3365
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/13845 | External Link
  • Office of Scientific & Technical Information Report Number: 13845
  • Archival Resource Key: ark:/67531/metadc625762

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • October 1, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 15, 2016, 8:35 p.m.

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Mynick, H.E. & Pomphrey, N. Control-Matrix Approach to NCSX Design, report, October 1, 1999; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc625762/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.