A Compact Quasi-axisymmetric Stellarator Reactor

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We report the progress made in assessing the potential of compact, quasi-axisymmetric stellarators as power-producing reactors. Using an aspect ratio A=4.5 configuration derived from NCSX and optimized with respect to the quasi-axisymmetry and MHD stability in the linear regime as an example, we show that a reactor of 1 GW(e) maybe realizable with a major radius *8 m. This is significantly smaller than the designs of stellarator reactors attempted before. We further show the design of modular coils and discuss the optimization of coil aspect ratios in order to accommodate the blanket for tritium breeding and radiation shielding for coil ... continued below

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860 Kilobytes pages

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Ku, L. P. October 20, 2003.

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Description

We report the progress made in assessing the potential of compact, quasi-axisymmetric stellarators as power-producing reactors. Using an aspect ratio A=4.5 configuration derived from NCSX and optimized with respect to the quasi-axisymmetry and MHD stability in the linear regime as an example, we show that a reactor of 1 GW(e) maybe realizable with a major radius *8 m. This is significantly smaller than the designs of stellarator reactors attempted before. We further show the design of modular coils and discuss the optimization of coil aspect ratios in order to accommodate the blanket for tritium breeding and radiation shielding for coil protection. In addition, we discuss the effects of coil aspect ratio on the peak magnetic field in the coils.

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860 Kilobytes pages

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INIS; OSTI as DE00820108

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  • Other Information: PBD: 20 Oct 2003

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  • Report No.: PPPL-3886
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/820108 | External Link
  • Office of Scientific & Technical Information Report Number: 820108
  • Archival Resource Key: ark:/67531/metadc735667

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  • October 20, 2003

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  • Oct. 18, 2015, 6:40 p.m.

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  • April 15, 2016, 8:34 p.m.

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Ku, L. P. A Compact Quasi-axisymmetric Stellarator Reactor, report, October 20, 2003; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc735667/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.