Experimentally determined profiles of fast wave current drive on DIII-D
Conference
·
OSTI ID:88471
- General Atomics, San Diego, CA (United States)
- Oak Ridge National Lab., TN (United States); and others
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.
- Research Organization:
- General Atomics, San Diego, CA (United States); Oak Ridge National Lab., TN (United States); Lawrence Livermore National Lab., CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC03-89ER51114; AC05-84OR21400; W-7405-ENG-48
- OSTI ID:
- 88471
- Report Number(s):
- GA-A--22048; CONF-9505105--3; ON: DE95015359
- Country of Publication:
- United States
- Language:
- English
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