Fokker-Planck Modelling of Delayed Loss of Charged Fusion Products in TFTR.

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The results of a Fokker-Planck simulation of the ripple-induced loss of charged fusion products in the Tokamak Fusion Test Reactor (TFTR) are presented. It is shown that the main features of the measured "delayed loss" of partially thermalized fusion products, such as the differences between deuterium-deuterium and deuterium-tritium discharges, the plasma current and major radius dependencies, etc., are in satisfactory agreement with the classical collisional ripple transport mechanism. The inclusion of the inward shift of the vacuum flux surfaces turns out to be necessary for an adequate and consistent explanation of the origin of the partially thermalized fusion product loss ... continued below

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547 Kilobytes

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Edenstrasser, J.W.; Goloborod'ko, V.Ya.; Reznik, S.N.; Yavorskij, V.A. & Zweben, S. August 1, 1998.

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Description

The results of a Fokker-Planck simulation of the ripple-induced loss of charged fusion products in the Tokamak Fusion Test Reactor (TFTR) are presented. It is shown that the main features of the measured "delayed loss" of partially thermalized fusion products, such as the differences between deuterium-deuterium and deuterium-tritium discharges, the plasma current and major radius dependencies, etc., are in satisfactory agreement with the classical collisional ripple transport mechanism. The inclusion of the inward shift of the vacuum flux surfaces turns out to be necessary for an adequate and consistent explanation of the origin of the partially thermalized fusion product loss to the bottom of TFTR.

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547 Kilobytes

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  • Other: DE00002682
  • Report No.: PPPL-3310
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/2682 | External Link
  • Office of Scientific & Technical Information Report Number: 2682
  • Archival Resource Key: ark:/67531/metadc665857

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Office of Scientific & Technical Information Technical Reports

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  • August 1, 1998

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • April 15, 2016, 7:56 p.m.

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Edenstrasser, J.W.; Goloborod'ko, V.Ya.; Reznik, S.N.; Yavorskij, V.A. & Zweben, S. Fokker-Planck Modelling of Delayed Loss of Charged Fusion Products in TFTR., report, August 1, 1998; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc665857/: accessed December 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.