MAJOR RESULTS OF THE ELECTRON CYCLOTRON HEATING EXPERIMENT IN THE PDX TOKAMAK.

H. Hsuan, K. Bol, N. Bowen, D. Boyd, A. Cavallo, A. Dimits, J. Doane, G. Elder, M. Goldman, B. Grek, C. Hoot, D. Johnson, A. Kritz, B. LeBlanc, P. Manintveld

Research output: Contribution to conferencePaperpeer-review

13 Scopus citations

Abstract

Electron Cyclotron Heating (ECH) experiments on PDX have been carried out with two 60 GHz pulsed gyrotrons each yielding up to approximately 100 kW. The ECH system used two waveguide runs each about 30 meters long. One run included 5 bends and the other, 7 bends. Predetermined waveguide modes were transmitted. The electron cyclotron waves were launched in narrow beams from both the high field and the low field sides of the plasma torus. The major new physics results are (1) efficient central electron heating for both ohmic and neutral beam heated target plasmas; (2) alteration of MHD behavior using ECH; (3) identification of the trapped electron population with ECH; and (4) signature of velocity-space time evolution during ECH.

Original languageEnglish (US)
Pages809-833
Number of pages25
StatePublished - 1984

All Science Journal Classification (ASJC) codes

  • General Engineering

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