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- Park, Hyeon Keo
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Improved accuracy in the estimation of the tearing mode stability parameters (Delta ' and w(c)) using 2D ECEI data in KSTAR
- Author(s)
- Choi, Minjun J., Yun, Gunsu S., Lee, Woochang, Park, Hyeon Keo, Park, Young-Seok, Sabbagh, Steve A., Gibson, Kieran J., Bowman, Christopher, Domier, Calvin W., Luhmann, Neville C., Jr., Bak, Jun-Gyo, Lee, Sang G.
- Issued Date
- 2014-08
- Citation
- NUCLEAR FUSION, v.54, no.8, pp.1 - 7
- Abstract
- The accuracy in estimation of two important tearing mode stability parameters (Delta' and w(c)) is improved by employing two-dimensional (2D) ECE imaging data which help one to overcome the resolution limit of conventional one-dimensional data. The experimentally measured 2D images are directly compared with synthetic ones from a tearing mode T-e model to estimate the parameters and an excellent agreement is achieved. The results imply that the observed tearing mode is classically stable but has non-negligible bootstrap current drive.
- Publisher
- INT ATOMIC ENERGY AGENCY
- ISSN
- 0029-5515
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