Turbulences in boundary plasmas

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Description

We simulate boundary plasma turbulence using a 3D turbulence code BOUT and a linearized electromagnetic instability shooting code BAL. The code BOUT solves fluid equations for plasma vorticity,density, ion temperature and parallel momentum (along the magnetic field), electron temperature, and parallel momentum. A realistic DIII-D X point magnetic geometry is used. The focus is on the possible local linear instability drivers and turbulence suppression mechanisms from L to H mode. Comparison is made with data from the DIII-D toltamak where probe measurements provide turbulence statistics in the boundary plasma and transport modeling.

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11 p.

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Xu, X. Q., LLNL May 15, 1998.

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Description

We simulate boundary plasma turbulence using a 3D turbulence code BOUT and a linearized electromagnetic instability shooting code BAL. The code BOUT solves fluid equations for plasma vorticity,density, ion temperature and parallel momentum (along the magnetic field), electron temperature, and parallel momentum. A realistic DIII-D X point magnetic geometry is used. The focus is on the possible local linear instability drivers and turbulence suppression mechanisms from L to H mode. Comparison is made with data from the DIII-D toltamak where probe measurements provide turbulence statistics in the boundary plasma and transport modeling.

Physical Description

11 p.

Notes

OSTI as DE98057938

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  • 13. international conference on plasma surface interactions, San Diego, CA (United States), 18-22 May 1998

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  • Other: DE98057938
  • Report No.: UCRL-JC--129481
  • Report No.: CONF-980560--
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 292485
  • Archival Resource Key: ark:/67531/metadc678253

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  • May 15, 1998

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • May 8, 2017, 12:47 p.m.

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Xu, X. Q., LLNL. Turbulences in boundary plasmas, article, May 15, 1998; California. (digital.library.unt.edu/ark:/67531/metadc678253/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.