Overview of impurity control and wall conditioning in NSTX

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The National Spherical Torus Experiment (NSTX) started plasma operations in February 1999, In the first extended period of experiments, NSTX achieved high current, inner wall limited, double null, and single null plasma discharges, initial Coaxial Helicity Injection, and High Harmonic Fast Wave results. As expected, discharge reproducibility and performance were strongly affected by wall condition. In this paper, the authors describe the internal geometry, and initial plasma discharge, impurity control, wall conditioning, erosion, and deposition results.

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21 p.

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Kugel, H.W.; Maingi, R.; Wampler, W.; Berry, R.E. & al, et May 23, 2000.

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Description

The National Spherical Torus Experiment (NSTX) started plasma operations in February 1999, In the first extended period of experiments, NSTX achieved high current, inner wall limited, double null, and single null plasma discharges, initial Coaxial Helicity Injection, and High Harmonic Fast Wave results. As expected, discharge reproducibility and performance were strongly affected by wall condition. In this paper, the authors describe the internal geometry, and initial plasma discharge, impurity control, wall conditioning, erosion, and deposition results.

Physical Description

21 p.

Notes

INIS; OSTI as DE00755685

Medium: P; Size: 21 pages

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  • 14 International Conference on Plasma Surface Interaction in Controlled Fusion Devices, Rosenheim (DE), 05/26/2000--05/30/2000

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  • Report No.: Cfpaper-4188
  • Grant Number: AC02-76CH03073
  • Office of Scientific & Technical Information Report Number: 755685
  • Archival Resource Key: ark:/67531/metadc705795

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Office of Scientific & Technical Information Technical Reports

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  • May 23, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 7, 2017, 7:26 p.m.

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Kugel, H.W.; Maingi, R.; Wampler, W.; Berry, R.E. & al, et. Overview of impurity control and wall conditioning in NSTX, article, May 23, 2000; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc705795/: accessed December 9, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.