Disruptions, Disruptivity, and Safer Operating Windows in the High-β Spherical Torus NSTX

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A fusion pilot plant study was initiated to clarify the development needs in moving from ITER to a first of a kind fusion power plant. The mission of the pilot plant was set to encompass component test and fusion nuclear science missions yet produce net electricity with high availability in a device designed to be prototypical of the commercial device. The objective of the study was to evaluate three different magnetic configuration options, the advanced tokamak (AT), spherical tokamak (ST) and compact stellarator (CS) in an effort to establish component characteristics, maintenance features and the general arrangement of each candidate ... continued below

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Brown, T; Goldston, R J; El-Guebaly, L; Kessel, C; Neilson, G H; Malang, S et al. September 26, 2012.

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A fusion pilot plant study was initiated to clarify the development needs in moving from ITER to a first of a kind fusion power plant. The mission of the pilot plant was set to encompass component test and fusion nuclear science missions yet produce net electricity with high availability in a device designed to be prototypical of the commercial device. The objective of the study was to evaluate three different magnetic configuration options, the advanced tokamak (AT), spherical tokamak (ST) and compact stellarator (CS) in an effort to establish component characteristics, maintenance features and the general arrangement of each candidate device. With the move to look beyond ITER the fusion community is now beginning to embark on DEMO reactor studies with an emphasis on defining configuration arrangements that can meet a high availability goal. This paper reviews the AT pilot plant design, detailing the selected maintenance approach, the device arrangement and sizing of the in-vessel components. Details of interfacing auxiliary systems and services that impact the ability to achieve high availability operations will also be discussed.

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  • 24th IAEA Fusion Energy Conference, San Diego, CA, Oct. 8-13, 2012

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  • Report No.: PPPL-4819
  • Grant Number: DE-ACO2-09CH11466
  • Office of Scientific & Technical Information Report Number: 1057026
  • Archival Resource Key: ark:/67531/metadc842279

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  • September 26, 2012

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  • May 19, 2016, 9:45 a.m.

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  • July 18, 2016, 5:24 p.m.

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Brown, T; Goldston, R J; El-Guebaly, L; Kessel, C; Neilson, G H; Malang, S et al. Disruptions, Disruptivity, and Safer Operating Windows in the High-β Spherical Torus NSTX, article, September 26, 2012; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc842279/: accessed December 10, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.