Stabilizing effects of enhanced resistivity due to lithium-conditioning on low-n edge localized modes in NSTX
Abstract
The stabilizing effects of enhanced edge resistivity on edge-localized instabilities in high confinement discharges due to lithium-conditioning in the National Spherical Torus Experiment are identified for the first time. Linear stability analysis of the experimentally constrained equilibrium suggests that the change in the equilibrium plasma density and pressure profiles alone due to lithium-conditioning may be insufficient for a complete suppression of low toroidal mode number peeling-ballooning modes. In conclusion, the enhanced resistivity due to the increased effective electric charge number Zeff after lithium-conditioning provides additional stabilization of the edge localized modes. Notably, this stabilizing effect by enhanced edge resistivity becomes evident only in two-fluid magnetohydrodynamic simulations.
- Authors:
-
[1];
[2];
- Univ. of Science and Technology of China, Anhui (China)
- Univ. of Science and Technology of China, Anhui (China); Univ. of Wisconsin-Madison, Madison, WI (United States)
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC); Univ. of California, Oakland, CA (United States); Princeton Univ., NJ (United States); Univ. of Wisconsin, Madison, WI (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1543833
- Alternate Identifier(s):
- OSTI ID: 1361843
- Grant/Contract Number:
- AC02-05CH11231; AC02-09CH11466; FC02-08ER54975; FG02-86ER53218
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physics of Plasmas
- Additional Journal Information:
- Journal Volume: 24; Journal Issue: 5; Journal ID: ISSN 1070-664X
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Physics
Citation Formats
Banerjee, Debabrata, Zhu, Ping, and Maingi, Rajesh. Stabilizing effects of enhanced resistivity due to lithium-conditioning on low-n edge localized modes in NSTX. United States: N. p., 2017.
Web. doi:10.1063/1.4981931.
Banerjee, Debabrata, Zhu, Ping, & Maingi, Rajesh. Stabilizing effects of enhanced resistivity due to lithium-conditioning on low-n edge localized modes in NSTX. United States. doi:10.1063/1.4981931.
Banerjee, Debabrata, Zhu, Ping, and Maingi, Rajesh. Mon .
"Stabilizing effects of enhanced resistivity due to lithium-conditioning on low-n edge localized modes in NSTX". United States. doi:10.1063/1.4981931. https://www.osti.gov/servlets/purl/1543833.
@article{osti_1543833,
title = {Stabilizing effects of enhanced resistivity due to lithium-conditioning on low-n edge localized modes in NSTX},
author = {Banerjee, Debabrata and Zhu, Ping and Maingi, Rajesh},
abstractNote = {The stabilizing effects of enhanced edge resistivity on edge-localized instabilities in high confinement discharges due to lithium-conditioning in the National Spherical Torus Experiment are identified for the first time. Linear stability analysis of the experimentally constrained equilibrium suggests that the change in the equilibrium plasma density and pressure profiles alone due to lithium-conditioning may be insufficient for a complete suppression of low toroidal mode number peeling-ballooning modes. In conclusion, the enhanced resistivity due to the increased effective electric charge number Zeff after lithium-conditioning provides additional stabilization of the edge localized modes. Notably, this stabilizing effect by enhanced edge resistivity becomes evident only in two-fluid magnetohydrodynamic simulations.},
doi = {10.1063/1.4981931},
journal = {Physics of Plasmas},
number = 5,
volume = 24,
place = {United States},
year = {2017},
month = {4}
}
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Works referenced in this record:
Ideal and resistive edge stability calculations with M3D-C1
journal, October 2010
- Ferraro, N. M.; Jardin, S. C.; Snyder, P. B.
- Physics of Plasmas, Vol. 17, Issue 10
Physics of confinement improvement of plasmas with impurity injection in DIII-D
journal, March 2001
- Murakami, M.; McKee, G. R.; Jackson, G. L.
- Nuclear Fusion, Vol. 41, Issue 3
Plasmoids Formation During Simulations of Coaxial Helicity Injection in the National Spherical Torus Experiment
journal, May 2015
- Ebrahimi, F.; Raman, R.
- Physical Review Letters, Vol. 114, Issue 20
The effects of impurities and core pressure on pedestal stability in Joint European Torus (JET)a)
journal, May 2015
- Saarelma, S.; Järvinen, A.; Beurskens, M.
- Physics of Plasmas, Vol. 22, Issue 5
Nonlinear magnetohydrodynamics simulation using high-order finite elements
journal, March 2004
- Sovinec, C. R.; Glasser, A. H.; Gianakon, T. A.
- Journal of Computational Physics, Vol. 195, Issue 1
Edge localized modes (ELMs)
journal, February 1996
- Zohm, H.
- Plasma Physics and Controlled Fusion, Vol. 38, Issue 2
ELM control strategies and tools: status and potential for ITER
journal, March 2013
- Lang, P. T.; Loarte, A.; Saibene, G.
- Nuclear Fusion, Vol. 53, Issue 4
Absence of Complete Finite-Larmor-Radius Stabilization in Extended MHD
journal, August 2008
- Zhu, P.; Schnack, D. D.; Ebrahimi, F.
- Physical Review Letters, Vol. 101, Issue 8
The relationships between edge localized modes suppression, pedestal profiles and lithium wall coatings in NSTX
journal, September 2011
- Boyle, D. P.; Maingi, R.; Snyder, P. B.
- Plasma Physics and Controlled Fusion, Vol. 53, Issue 10
Core transport of lithium and carbon in ELM-free discharges with lithium wall conditioning in NSTX
journal, July 2013
- Scotti, F.; Soukhanovskii, V. A.; Bell, R. E.
- Nuclear Fusion, Vol. 53, Issue 8
Edge transport and turbulence reduction with lithium coated plasma facing components in the National Spherical Torus Experiment
journal, May 2011
- Canik, J. M.; Maingi, R.; Kubota, S.
- Physics of Plasmas, Vol. 18, Issue 5
Continuous Improvement of H-Mode Discharge Performance with Progressively Increasing Lithium Coatings in the National Spherical Torus Experiment
journal, September 2011
- Maingi, R.; Kaye, S. M.; Skinner, C. H.
- Physical Review Letters, Vol. 107, Issue 14
A review of models for ELMs
journal, February 1998
- Connor, J. W.
- Plasma Physics and Controlled Fusion, Vol. 40, Issue 2
The role of MHD in 3D aspects of massive gas injection
journal, June 2015
- Izzo, V. A.; Parks, P. B.; Eidietis, N. W.
- Nuclear Fusion, Vol. 55, Issue 7
The impact of collisionality, FLR, and parallel closure effects on instabilities in the tokamak pedestal: Numerical studies with the NIMROD code
journal, June 2016
- King, J. R.; Pankin, A. Y.; Kruger, S. E.
- Physics of Plasmas, Vol. 23, Issue 6
New Steady-State Quiescent High-Confinement Plasma in an Experimental Advanced Superconducting Tokamak
journal, February 2015
- Hu, J. S.; Sun, Z.; Guo, H. Y.
- Physical Review Letters, Vol. 114, Issue 5
Edge-Localized-Mode Suppression through Density-Profile Modification with Lithium-Wall Coatings in the National Spherical Torus Experiment
journal, August 2009
- Maingi, R.; Osborne, T. H.; LeBlanc, B. P.
- Physical Review Letters, Vol. 103, Issue 7
Simulation of edge localized modes using BOUT++
journal, April 2011
- Dudson, B. D.; Xu, X. Q.; Umansky, M. V.
- Plasma Physics and Controlled Fusion, Vol. 53, Issue 5
Key ITER plasma edge and plasma–material interaction issues
journal, March 2003
- Federici, G.; Andrew, P.; Barabaschi, P.
- Journal of Nuclear Materials, Vol. 313-316
Mitigation of Tokamak Disruptions Using High-Pressure Gas Injection
journal, July 2002
- Whyte, D. G.; Jernigan, T. C.; Humphreys, D. A.
- Physical Review Letters, Vol. 89, Issue 5
Computing nonlinear magnetohydrodynamic edge localized instabilities in fusion plasmas
journal, September 2006
- Brennan, D. P.; Kruger, S. E.; Schnack, D. D.
- Journal of Physics: Conference Series, Vol. 46
A simple apparatus for the injection of lithium aerosol into the scrape-off layer of fusion research devices
journal, November 2010
- Mansfield, D. K.; Roquemore, A. L.; Schneider, H.
- Fusion Engineering and Design, Vol. 85, Issue 6
Evaluation of CFETR as a Fusion Nuclear Science Facility using multiple system codes
journal, January 2015
- Chan, V. S.; Costley, A. E.; Wan, B. N.
- Nuclear Fusion, Vol. 55, Issue 2
Edge localized linear ideal magnetohydrodynamic instability studies in an extended-magnetohydrodynamic code
journal, March 2010
- Burke, B. J.; Kruger, S. E.; Hegna, C. C.
- Physics of Plasmas, Vol. 17, Issue 3
Analysis of a mixed semi-implicit/implicit algorithm for low-frequency two-fluid plasma modeling
journal, August 2010
- Sovinec, C. R.; King, J. R.
- Journal of Computational Physics, Vol. 229, Issue 16
Plasmoid Formation in Current Sheet with Finite Normal Magnetic Component
journal, June 2013
- Zhu, P.; Raeder, J.
- Physical Review Letters, Vol. 110, Issue 23
Regime of Improved Confinement and High Beta in Neutral-Beam-Heated Divertor Discharges of the ASDEX Tokamak
journal, November 1982
- Wagner, F.; Becker, G.; Behringer, K.
- Physical Review Letters, Vol. 49, Issue 19
Enhanced H-mode pedestals with lithium injection in DIII-D
journal, May 2015
- Osborne, T. H.; Jackson, G. L.; Yan, Z.
- Nuclear Fusion, Vol. 55, Issue 6
The effect of progressively increasing lithium coatings on plasma discharge characteristics, transport, edge profiles and ELM stability in the National Spherical Torus Experiment
journal, June 2012
- Maingi, R.; Boyle, D. P.; Canik, J. M.
- Nuclear Fusion, Vol. 52, Issue 8
Works referencing / citing this record:
Summary of magnetic fusion plasma physics in 1st AAPPS-DPP meeting
journal, March 2018
- Li, Jiangang; Zhong, Wulyu
- Reviews of Modern Plasma Physics, Vol. 2, Issue 1
Summary of magnetic fusion plasma physics in 1st AAPPS-DPP meeting
journal, March 2018
- Li, Jiangang; Zhong, Wulyu
- Reviews of Modern Plasma Physics, Vol. 2, Issue 1