First evidence of Alfvén wave activity in KSTAR plasmas

Date

2013

Authors

Hole, Matthew
Ryu, C. M
Woo, M. H
Bak, J. G
Sharapov, Sergei
Fitzgerald, Michael
KSTAR Team, The

Journal Title

Journal ISSN

Volume Title

Publisher

Institute of Physics Publishing

Abstract

We report on first evidence of wave activity during neutral beam heating in KSTAR plasmas: 40 kHz magnetic fluctuations with a toroidal mode number of n = 1. Our analysis suggests this a beta-induced Alfvén eigenmode (BAE) resonant with the q = 1 surface

Description

Keywords

Keywords: Electron cyclotron emission; Frequency evolution; Ion temperature profiles; Magnetic configuration; Magnetic fluctuation; Neutral beam heating; Temperature profiles; Toroidal mode numbers; Crystallography; Ions; Magnetohydrodynamics; Temperature control;

Citation

Source

Plasma Physics and Controlled Fusion

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

DOI

10.1088/0741-3335/55/4/045004

Restricted until

2037-12-31