期刊
NUCLEAR FUSION
卷 50, 期 3, 页码 -出版社
INT ATOMIC ENERGY AGENCY
DOI: 10.1088/0029-5515/50/3/034008
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资金
- EPSRC [EP/D062837/1, EP/H02395X/1, EP/G003955/1] Funding Source: UKRI
- STFC [ST/F00205X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/H02395X/1, EP/G003955/1, EP/D062837/1] Funding Source: researchfish
- Science and Technology Facilities Council [ST/F00205X/1] Funding Source: researchfish
Experiments have been performed on MAST using both external (n = 1, 2) and internal (n = 3) resonant magnetic perturbation (RMP) coils. ELM suppression has not been achieved even though vacuum modelling shows that either set of coils can produce a region (Delta Psi(pol) > 0.17), for which the Chirikov parameter is greater than 1, wider than that correlated with ELM suppression in DIII-D. Although complete ELM suppression has not been achieved, application of RMPs has triggered ELMs in ELM free H-mode periods (n = 3) and increased the ELM frequency in regularly ELM-ing discharges (n = 2, 3). In addition, the application of RMPs in an n = 3 configuration has produced large changes to the edge turbulence in L-mode discharges.
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