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- Park, Hyeon Keo
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Characterization of Edge turbulence in the ELM-crash-suppressed H-mode plasma
- Author(s)
- Lee, J, Choi, MJ, Yun, GS, Lee, W, Park, Hyeon Keo, Luhmann, NC
- Issued Date
- 2015-06-22
- Citation
- 42nd European Physical Society Conference on Plasma Physics, EPS 2015
- Abstract
- Edge plasma turbulence during the ELM-crash-suppressed period has been studied by employing correlation analysis technique. The result shows clear cross-phase, cross-coherence and SL(k, f) spectrum in the plasma edge region: poloidal wavenumbers in the range of < 1 cm-1, average group velocity of ∼ 3km/s along electron diamagnetic direction, parallel wavelengths in the range of 2 ≤ λ∥ ≤ 8 m. These are unique features of ELM-crash-suppressed phase and may be critical information for understanding the physics of ELM-crash-suppression.
- Publisher
- 42nd European Physical Society Conference on Plasma Physics, EPS 2015
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