Rotation and particle loss in Tore Supra

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Although plasma heating with ICRF imparts negligible angular momentum to a tokamak plasma, the high energy particles give significant torque to the plasma through diamagnetic effects. This effect has been directly modeled through guiding center simulations. It is found that heating in Tore Supra, with the location of the resonance surface on the high field side of the magnetic axis, can produce negative central rotation of up to 40 km/sec. Particle loss also contributes to negative rotation, but this is not the dominant effect in most discharges. In this work the authors examine the effect of collisions and strong plasma ... continued below

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253 Kilobytes pages

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White, R. B.; Perkins, F. W.; Garbet, X.; Bourdelle, C.; Basiuk, V. & Eriksson, L. G. June 13, 2000.

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Description

Although plasma heating with ICRF imparts negligible angular momentum to a tokamak plasma, the high energy particles give significant torque to the plasma through diamagnetic effects. This effect has been directly modeled through guiding center simulations. It is found that heating in Tore Supra, with the location of the resonance surface on the high field side of the magnetic axis, can produce negative central rotation of up to 40 km/sec. Particle loss also contributes to negative rotation, but this is not the dominant effect in most discharges. In this work the authors examine the effect of collisions and strong plasma rotation on the loss of high energy particles.

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253 Kilobytes pages

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INIS; OSTI as DE00756909

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  • Other Information: PBD: 13 Jun 2000

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  • Report No.: PPPL-3460
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/756909 | External Link
  • Office of Scientific & Technical Information Report Number: 756909
  • Archival Resource Key: ark:/67531/metadc707832

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  • June 13, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 18, 2016, 1:04 p.m.

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White, R. B.; Perkins, F. W.; Garbet, X.; Bourdelle, C.; Basiuk, V. & Eriksson, L. G. Rotation and particle loss in Tore Supra, report, June 13, 2000; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc707832/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.