This title appears in the Scientific Report :
2009
Please use the identifier:
http://dx.doi.org/10.1088/0029-5515/49/3/035005 in citations.
Reduction of the turbulent blob transport in the scrape-off layer by a resonant magnetic perturbation in TEXTOR
Reduction of the turbulent blob transport in the scrape-off layer by a resonant magnetic perturbation in TEXTOR
During the static 6/2 Dynamic Ergodic Divertor experiments in TEXTOR, a significant influence of the edge resonant magnetic perturbation (RMP) on the turbulent blob transport in the scrape-off layer (SOL) has been observed. In ohmic discharges without the RMP, the blobs extend 4-5 cm deep into the S...
Saved in:
Personal Name(s): | Xu, Y. |
---|---|
Weynants, R.R. / Van Schoor, M. / Vergote, M. / Jachmich, S. / Jakubowski, M. W. / Mitri, M. / Schmitz, O. / Unterberg, B. / Beyer, P. / Reiser, D. / Finken, K. H. / Lehnen, M. | |
Contributing Institute: |
Plasmaphysik; IEF-4 |
Published in: | Nuclear fusion, 49 (2009) |
Imprint: |
Vienna
IAEA
2009
|
DOI: |
10.1088/0029-5515/49/3/035005 |
Document Type: |
Journal Article |
Research Program: |
Fusion |
Series Title: |
Nuclear Fusion
49 |
Subject (ZB): | |
Publikationsportal JuSER |
During the static 6/2 Dynamic Ergodic Divertor experiments in TEXTOR, a significant influence of the edge resonant magnetic perturbation (RMP) on the turbulent blob transport in the scrape-off layer (SOL) has been observed. In ohmic discharges without the RMP, the blobs extend 4-5 cm deep into the SOL with a radially outward moving speed of about 1 km s(-1) and hence constitute a strong outflow of mass. With the application of the RMP, the blob amplitudes and their radially moving velocity are both reduced, resulting in a significant reduction of the blob transport in the SOL. The reduction effect of the RMP on blobs is found to be robust to changes in the operational regime and to phasing variations of the RMP as well. The blob dynamics appears to be consistent with the paradigm of the radial motions of the blob structures driven by the interchange instability. |