Transient microwave heating of compact toroidal plasmas

Edward C. Morse, Richard W. Ziolkowski

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

A heating scheme using radio-frequency (rf) power to heat a compact torodial plasma to kilovolt temperatures using lower hybrid heating is proposed. The scheme requires the use of high-power pulsed klystrons. The experimental design is shown with the details of the rf power system and of the coupling antenna array. The so-called 'radiation barrier' formed by the presence of oxygen and carbon impurities may be crossed by this type of pulsed heating source. The general atomic physics of this heating phase is described, with particular emphasis on the non-local thermodynamic equilibrium effects involved in the line and recombination impurity radiation. A survey of nonlinear parametric coupling effects is also given.

Original languageEnglish (US)
Pages (from-to)1325-1333
Number of pages9
JournalFusion Technology
Volume14
Issue number3
StatePublished - Nov 1 1988

ASJC Scopus subject areas

  • Engineering(all)

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