Electron cyclotron current drive in DIII-D

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Description

Clear measurements of the localized current density driven by electron cyclotron waves have been made on the DIII-D tokamak. Direct evidence of the current drive is seen on the internal magnetic field measurements by motional Stark effect spectroscopy. Comparison with theoretical calculations in the collisionless limit shows the experimental current drive exceeds the predictions by a substantial amount for currents driven near the half radius. In all cases the experimental current density profile is broader than the predicted one.

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9 p.

Creation Information

Luce, T.C.; Lin-Liu, Y.R.; Lohr, J.M.; Petty, C.C.; Politzer, P.A.; Prater, R. et al. May 1, 1999.

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Description

Clear measurements of the localized current density driven by electron cyclotron waves have been made on the DIII-D tokamak. Direct evidence of the current drive is seen on the internal magnetic field measurements by motional Stark effect spectroscopy. Comparison with theoretical calculations in the collisionless limit shows the experimental current drive exceeds the predictions by a substantial amount for currents driven near the half radius. In all cases the experimental current density profile is broader than the predicted one.

Physical Description

9 p.

Notes

INIS; OSTI as DE99002583

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  • 13. topical conference on applications of radio frequency power to plasmas, Annapolis, MD (United States), 12-14 Apr 1999

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  • Other: DE99002583
  • Report No.: GA--A23130
  • Report No.: CONF-990411--
  • Grant Number: AC03-99ER54463;W-7405-ENG-48
  • DOI: 10.2172/353437 | External Link
  • Office of Scientific & Technical Information Report Number: 353437
  • Archival Resource Key: ark:/67531/metadc683543

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Creation Date

  • May 1, 1999

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • July 29, 2016, 2:29 p.m.

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Luce, T.C.; Lin-Liu, Y.R.; Lohr, J.M.; Petty, C.C.; Politzer, P.A.; Prater, R. et al. Electron cyclotron current drive in DIII-D, report, May 1, 1999; San Diego, California. (digital.library.unt.edu/ark:/67531/metadc683543/: accessed May 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.