The highly-reproducible current-driven resistive wall mode (RWM) was explored to assess the RWM physics and magnetic feedback capability. Application of feedback with sufficiently-high gain can robustly stabilize the q 95 ∼ 4 current-driven RWM. Feedback stabilization needs a response time of ∼1 ms, faster than the mode growth time of 3-4 ms. We have identified the feedback stabilization process as direct feedback rather than error field correction.
|Publication status||Published - 2009|
|Event||36th European Physical Society Conference on Plasma Physics 2009, EPS 2009 - , Bulgaria|
Duration: 1 Jan 2009 → …
|Conference||36th European Physical Society Conference on Plasma Physics 2009, EPS 2009|
|Period||1/1/09 → …|
All Science Journal Classification (ASJC) codes
- Atomic and Molecular Physics, and Optics
Okabayashi, M., In, Y., Jackson, G. L., Bolzonella, T., Garofalo, A. M., Kim, J. S., ... Strait, E. J. (2009). Exploring robustness of magnetic feedback stabilization on current-driven resistive wall mode stabilization. Paper presented at 36th European Physical Society Conference on Plasma Physics 2009, EPS 2009, Bulgaria.