MHD EFFECTS ON BEAM ION LOSS DURING NEAR PERPENDICULAR NEUTRAL BEAM INJECTION.

D. Buchenauer, D. Q. Hwang, K. McGuire, Robert James Goldston

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Scopus citations

Abstract

High beta experiments on PDX have indicated that an additional degradation in the global energy confinement time occurs during high power neutral beam injection with beta //Tq values above . 045. Evidence from fast charge exchange data and neutron emission suggests that this additional loss of confinement is due mainly to a rapid expulsion of the fast ions from the plasma. In order to detect and study the inferred flux of fast ions two additional diagnostics were added: a D** plus detector to measure the flux of escaping ions and a set of rf probes to investigate the possibility that rf instabilities were involved in the acceleration of beam ions above the injection energy.

Original languageEnglish (US)
Title of host publicationCommission of the European Communities, (Report) EUR
EditorsHeinz Knoepfel, Elio Sindoni
PublisherInt Sch of Plasma Physics, Varenna, Italy. Distributed by Monotypia Franchi
Pages111-118
Number of pages8
Volume1
StatePublished - Dec 1 1984

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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    Buchenauer, D., Hwang, D. Q., McGuire, K., & Goldston, R. J. (1984). MHD EFFECTS ON BEAM ION LOSS DURING NEAR PERPENDICULAR NEUTRAL BEAM INJECTION. In H. Knoepfel, & E. Sindoni (Eds.), Commission of the European Communities, (Report) EUR (Vol. 1, pp. 111-118). Int Sch of Plasma Physics, Varenna, Italy. Distributed by Monotypia Franchi.