Location of the first plasma response to resonant magnetic perturbations in DIII-D H-mode plasmas
Abstract
The resonant location of the first plasma response to periodic toroidal phase flips of a Resonant Magnetic Perturbation (RMP) field is experimentally identified in the DIII-D tokamak using phase minima of the modulated plasma density and toroidal rotation relative to the RMP field. Furthermore, the plasma response coincides with the q=3 rational surface and electron fluid velocity null, which is consistent with simulations of the plasma response to the RMP field from a resistive Magnetohydrodynamics modeling. We also observe an asymmetric propagation of the particle and the momentum from the resonant location of the plasma response to the RMP into to core and into the plasma edge.
- Authors:
-
- Univ. of California, San Diego, CA (United States). Center for Energy Research; Southwestern Inst. of Physics, Chengdu (People's Republic of China)
- General Atomics, San Diego, CA (United States)
- Univ. of California, San Diego, CA (United States). Center for Energy Research
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
- Publication Date:
- Research Org.:
- General Atomics, San Diego, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1371713
- Grant/Contract Number:
- FG02-08ER54999; FC02-04ER54698; FG03-97ER54415; FG02-89ER53296; FG02-07ER54917; AC02-09CH11466; SC0001961; 11175056; 11575055; 2013GB107000
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nuclear Fusion
- Additional Journal Information:
- Journal Volume: 56; Journal Issue: 6; Related Information: W.W. Xiao, T.E. Evans, G.R. Tynan, D. Eldon, "Location of the First Plasma Response to Resonant Magnetic Perturbations in DIII-D H-Mode Plasmas", Nuclear Fusion 56 064001, April 2016; Journal ID: ISSN 0029-5515
- Publisher:
- IOP Science
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; resonant magnetic perturbation (RMP); resonant location; rational surface
Citation Formats
Xiao, W. W., Evans, T. E., Tynan, G. R., and Eldon, D. Location of the first plasma response to resonant magnetic perturbations in DIII-D H-mode plasmas. United States: N. p., 2016.
Web. doi:10.1088/0029-5515/56/6/064001.
Xiao, W. W., Evans, T. E., Tynan, G. R., & Eldon, D. Location of the first plasma response to resonant magnetic perturbations in DIII-D H-mode plasmas. United States. https://doi.org/10.1088/0029-5515/56/6/064001
Xiao, W. W., Evans, T. E., Tynan, G. R., and Eldon, D. Wed .
"Location of the first plasma response to resonant magnetic perturbations in DIII-D H-mode plasmas". United States. https://doi.org/10.1088/0029-5515/56/6/064001. https://www.osti.gov/servlets/purl/1371713.
@article{osti_1371713,
title = {Location of the first plasma response to resonant magnetic perturbations in DIII-D H-mode plasmas},
author = {Xiao, W. W. and Evans, T. E. and Tynan, G. R. and Eldon, D.},
abstractNote = {The resonant location of the first plasma response to periodic toroidal phase flips of a Resonant Magnetic Perturbation (RMP) field is experimentally identified in the DIII-D tokamak using phase minima of the modulated plasma density and toroidal rotation relative to the RMP field. Furthermore, the plasma response coincides with the q=3 rational surface and electron fluid velocity null, which is consistent with simulations of the plasma response to the RMP field from a resistive Magnetohydrodynamics modeling. We also observe an asymmetric propagation of the particle and the momentum from the resonant location of the plasma response to the RMP into to core and into the plasma edge.},
doi = {10.1088/0029-5515/56/6/064001},
journal = {Nuclear Fusion},
number = 6,
volume = 56,
place = {United States},
year = {Wed Apr 27 00:00:00 EDT 2016},
month = {Wed Apr 27 00:00:00 EDT 2016}
}
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