Fast ion generation and bulk plasma heating with three-ion ICRF scenarios

Ye O. Kazakov, D. Van Eester, R. Dumont, J. Ongena, E. Lerche, A. Messiaen

Publikation: Beitrag in Buch/Bericht/KonferenzbandKonferenzbeitragBegutachtung

Abstract

Launching electromagnetic waves in the ion cyclotron range of frequencies (ICRF) is an efficient method of plasma heating, actively employed in most of fusion machines. ICRF has a number of important supplementary applications, including the generation of high-energy ions. In this paper, we discuss a new set of three-ion ICRF scenarios and the prospect of their use as a dedicated tool for fast ion generation in tokamaks and stellarators. A distinct feature of these scenarios is a strong absorption efficiency possible at very low concentrations of resonant minority ions (∼ 1% or even below). Such concentration levels are typical for impurities contaminating fusion plasmas. An alternative ICRF scenario for maximizing the efficiency of bulk D-T ion heating is suggested for JET and ITER tokamaks, which is based on three-ion ICRF heating of intrinsic Beryllium impurities.

OriginalspracheEnglisch
TitelRadio Frequency Power in Plasmas
UntertitelProceedings of the 21St Topical Conference
Redakteure/-innenRobert I. Pinsker
Herausgeber (Verlag)American Institute of Physics Inc.
ISBN (elektronisch)9780735413368
DOIs
PublikationsstatusVeröffentlicht - 10 Dez. 2015
Veranstaltung21st Topical Conference on Radiofrequency Power in Plasmas - Lake Arrowhead, USA/Vereinigte Staaten
Dauer: 27 Apr. 201529 Apr. 2015

Publikationsreihe

NameAIP Conference Proceedings
Band1689
ISSN (Print)0094-243X
ISSN (elektronisch)1551-7616

Konferenz

Konferenz21st Topical Conference on Radiofrequency Power in Plasmas
Land/GebietUSA/Vereinigte Staaten
OrtLake Arrowhead
Zeitraum27/04/1529/04/15

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