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- Park, Hyeon Keo
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Multimode excitation during the inter-ELM-crash periods in KSTAR H-mode plasma
- Author(s)
- Kim, Myungjin, Lee, J, Park, Hyeon Keo, Yun, Gunsu, Lee, Woochang, Domier, Calvin W., Luhmann, N. C.
- Issued Date
- 2015-07
- Citation
- NUCLEAR FUSION, v.55, no.7, pp.073001
- Abstract
- Temporal and spatial modulation of the edge localized mode (ELM) structure has been observed during the inter-ELM-crash period by toroidally-separated two electron cyclotron emission imaging systems. The observed modulation is interpreted as a beat wave of two modes with adjacent toroidal mode number. An additional assumption is that each mode has to have a different poloidal rotation speed. In nonlinear simulation, the low-n mode can be driven by locking between the dominant modes. The modulation is reconstructed using beat waves not the locking of modes
- Publisher
- INT ATOMIC ENERGY AGENCY
- ISSN
- 0029-5515
- Keyword (Author)
- ELMs, ECEI, KSTAR, multi-mode
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