3D Fokker-Planck modeling of axisymmetric collisional losses of fusion products in TFTR

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Results of a 3D (in constants of motion space) Fokker-Planck simulation of collisional losses of fusion products in axisymmetric DT and DD discharges on TFTR are presented. The distributions of escaped ions over poloidal angle, pitch angle, and their energy spectra are obtained. Axisymmetric collisional losses of fusion products are found to be less than (2--5)%. The distribution of confined fusion products is shown to be strongly anisotropic and nonuniform in the radial coordinate mainly for slowed-down fusion products with small longitudinal energy. Comparison of these results of modeling and experimental data is done.

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31 p.

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Goloborod`ko, V. Ya.; Reznik, S. N.; Yavorskij, V. A. & Zweben, S. J. October 1995.

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Description

Results of a 3D (in constants of motion space) Fokker-Planck simulation of collisional losses of fusion products in axisymmetric DT and DD discharges on TFTR are presented. The distributions of escaped ions over poloidal angle, pitch angle, and their energy spectra are obtained. Axisymmetric collisional losses of fusion products are found to be less than (2--5)%. The distribution of confined fusion products is shown to be strongly anisotropic and nonuniform in the radial coordinate mainly for slowed-down fusion products with small longitudinal energy. Comparison of these results of modeling and experimental data is done.

Physical Description

31 p.

Notes

INIS; OSTI as DE96007488

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  • Other Information: PBD: Oct 1995

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  • Other: DE96007488
  • Report No.: PPPL--3144
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/206582 | External Link
  • Office of Scientific & Technical Information Report Number: 206582
  • Archival Resource Key: ark:/67531/metadc670815

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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 1995

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  • June 29, 2015, 9:42 p.m.

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  • April 15, 2016, 4:58 p.m.

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Goloborod`ko, V. Ya.; Reznik, S. N.; Yavorskij, V. A. & Zweben, S. J. 3D Fokker-Planck modeling of axisymmetric collisional losses of fusion products in TFTR, report, October 1995; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc670815/: accessed December 14, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.