Radio-frequency wall conditioning for steady-state stellarators

Yu S. Kulyk, V. E. Moiseenko, T. Wauters, A. Lyssoivan

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

Abstract

Results of numerical modelling of a pulsed discharge used for wall conditioning and sustained by excitation of slow waves at frequencies below the ion cyclotron are presented. The analysis carried out with usage of a self-consistent model that simulates plasma production. The numerical calculations have shown that at the plasma build-up stage, the atoms are generated mainly owing to dissociation of hydrogen molecules by electron impact. When the RF power is off the dissociative recombination of molecular ions with electrons comes to play that is an additional source of atomic hydrogen.

OriginalspracheEnglisch
Seiten (von - bis)56-59
Seitenumfang4
FachzeitschriftProblems of Atomic Science and Technology
Jahrgang106
Ausgabenummer6
PublikationsstatusVeröffentlicht - 2016

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