Modeling impurities and tilted plates in the ITER divertor

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Description

The UEDGE 2-D edge transport code is used to model the effect of impurities and tilted divertor plates for the ITER SOL/divertor region. The impurities are modeled as individual charge states using either the FMOMBAL 21-moment description or parallel force balance. Both helium and neon impurities are used together with a majority hydrogenic species. A fluid description of the neutrals is used that includes parallel inertia and neutral-neutral collisions. Effects of geometry are analyzed by using the nonorthogonal mesh capability of UEDGE to obtain solutions with the divertor plate tilted at various angles.

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49 p.

Creation Information

Rensink, M.E. & Rognlien, T.D. July 29, 1996.

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Description

The UEDGE 2-D edge transport code is used to model the effect of impurities and tilted divertor plates for the ITER SOL/divertor region. The impurities are modeled as individual charge states using either the FMOMBAL 21-moment description or parallel force balance. Both helium and neon impurities are used together with a majority hydrogenic species. A fluid description of the neutrals is used that includes parallel inertia and neutral-neutral collisions. Effects of geometry are analyzed by using the nonorthogonal mesh capability of UEDGE to obtain solutions with the divertor plate tilted at various angles.

Physical Description

49 p.

Notes

OSTI as DE96050334

Source

  • Other Information: PBD: 29 Jul 1996

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  • Other: DE96050334
  • Report No.: UCRL-ID--124702
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/371415 | External Link
  • Office of Scientific & Technical Information Report Number: 371415
  • Archival Resource Key: ark:/67531/metadc688829

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Creation Date

  • July 29, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Feb. 17, 2016, 2:32 p.m.

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Rensink, M.E. & Rognlien, T.D. Modeling impurities and tilted plates in the ITER divertor, report, July 29, 1996; California. (digital.library.unt.edu/ark:/67531/metadc688829/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.