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Suppression of Edge Localized Modes in High-Confinement KSTAR Plasmas by Nonaxisymmetric Magnetic Perturbations SCIE SCOPUS

Title
Suppression of Edge Localized Modes in High-Confinement KSTAR Plasmas by Nonaxisymmetric Magnetic Perturbations
Authors
Jeon, YMPark, JKYoon, SWKo, WHLee, SGLee, KDYun, GSNam, YUKim, WCKwak, JGLee, KSKim, HKYang, HL
Date Issued
2012-07-20
Publisher
American Physical Society
Abstract
Edge localized modes (ELMs) in high-confinement mode plasmas were completely suppressed in KSTAR by applying n = 1 nonaxisymmetric magnetic perturbations. Initially, the ELMs were intensified with a reduction of frequency, but completely suppressed later. The electron density had an initial 10% decrease followed by a gradual increase as ELMs were suppressed. Interesting phenomena such as a saturated evolution of edge T-e and broadband changes of magnetic fluctuations were observed, suggesting the change of edge transport by the applied magnetic perturbations.
URI
https://oasis.postech.ac.kr/handle/2014.oak/12492
DOI
10.1103/PHYSREVLETT.109.035004
ISSN
0031-9007
Article Type
Article
Citation
Physical Review Letters, vol. 109, no. 3, page. 35004, 2012-07-20
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윤건수YUN, GUNSU
Div. of Advanced Nuclear Enginrg
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