Experimentally determined profiles of fast wave current drive on DIII-D

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Profiles of non-inductive current driven by fast waves have been determined for reversed-shear DIII-D discharges. Both the current profile and toroidal electric field profile are determined from time sequences of equilibrium reconstructions. Using this information, the measured current profile has been separated into inductive and non-inductive portions. By comparing similar fast wave power, the portion of the total non-inductive current driven by fast waves were determined. The experimentally determined profiles of FWCD are in general agreement with theoretical predictions. Specifically, 135 kA was driven by 1.4 MW of rf power with a profile peaked inside {rho} = 2.

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4 p.

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Forest, C.B.; Petty, C.C. & Baity, F.W. June 1, 1995.

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Description

Profiles of non-inductive current driven by fast waves have been determined for reversed-shear DIII-D discharges. Both the current profile and toroidal electric field profile are determined from time sequences of equilibrium reconstructions. Using this information, the measured current profile has been separated into inductive and non-inductive portions. By comparing similar fast wave power, the portion of the total non-inductive current driven by fast waves were determined. The experimentally determined profiles of FWCD are in general agreement with theoretical predictions. Specifically, 135 kA was driven by 1.4 MW of rf power with a profile peaked inside {rho} = 2.

Physical Description

4 p.

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INIS; OSTI as DE95015359

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  • 11. topical conference on radio frequency in plasmas, Palm Springs, CA (United States), 17-19 May 1995

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  • Other: DE95015359
  • Report No.: GA-A--22048
  • Report No.: CONF-9505105--3
  • Grant Number: AC03-89ER51114;AC05-84OR21400;W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 88471
  • Archival Resource Key: ark:/67531/metadc794689

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Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • June 1, 1995

Added to The UNT Digital Library

  • Dec. 19, 2015, 7:14 p.m.

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  • Aug. 1, 2016, 6:45 p.m.

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Forest, C.B.; Petty, C.C. & Baity, F.W. Experimentally determined profiles of fast wave current drive on DIII-D, article, June 1, 1995; San Diego, California. (digital.library.unt.edu/ark:/67531/metadc794689/: accessed October 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.