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Title: Kinetic calculation of the resistive wall mode and fishbone-like mode instability in tokamak

Abstract

Kinetic effects of both trapped thermal and energetic particles on the resistive wall mode (RWM) and on the fishbone-like mode (FLM) are investigated in theory. In this paper, the trapped thermal particles include both ions and electrons. The FLM is driven by trapped energetic particles. The results demonstrate that thermal particle collisions can either stabilize or destabilize the RWM, depending on the energetic particle pressure β h . Furthermore, the critical value of β h for triggering the FLM is increased when the thermal particle contribution is taken into account. Finally, the critical value sensitively depends on the plasma collision frequency. In addition, the plasma inertia is found to have a negligible influence on the FLM.

Authors:
 [1];  [2];  [3];  [2];  [4];  [4]
  1. Univ. of California, Irvine, CA (United States); Southwestern Inst. of Physics, Chengdu (China)
  2. Dalian Univ. of Technology (China). Key Lab. of Materials Modification by Beams of the Ministry of Education. School of Physics and Optoelectronic Technology
  3. Southwestern Inst. of Physics, Chengdu (China); Culham Centre for Fusion Energy (CCFE), Abingdon (United Kingdom). Culham Science Centre
  4. Southwestern Inst. of Physics, Chengdu (China)
Publication Date:
Research Org.:
Univ. of California, Irvine, CA (United States); Dalian Univ. of Technology (China); Southwestern Institute of Physics, Chengdu (China); Culham Centre for Fusion Energy (CCFE), Abingdon (United Kingdom)
Sponsoring Org.:
USDOE Office of Science (SC), Fusion Energy Sciences (FES); National Magnetic Confinement Fusion Science Program (China); National Natural Science Foundation of China (NSFC); European Union (EU); Engineering and Physical Sciences Research Council (EPSRC)
OSTI Identifier:
1471521
Alternate Identifier(s):
OSTI ID: 1256134
Grant/Contract Number:  
FG02-02ER54681; AC02-09CH11466; 2014GB124000; 2015GB104004; 2013GB112009; 11428512; 11322549; 11205051; 11475056; 633053; EP/I501045
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 23; Journal Issue: 6; 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; control theory; plasma flows; plasma confinement; tokamaks; plasma pressure; fundamental constants; dispersion function; collision frequency; leptons; plasma instabilities

Citation Formats

Hao, G. Z., Yang, S. X., Liu, Y. Q., Wang, Z. X., Wang, A. K., and He, H. D. Kinetic calculation of the resistive wall mode and fishbone-like mode instability in tokamak. United States: N. p., 2016. Web. doi:10.1063/1.4953100.
Hao, G. Z., Yang, S. X., Liu, Y. Q., Wang, Z. X., Wang, A. K., & He, H. D. Kinetic calculation of the resistive wall mode and fishbone-like mode instability in tokamak. United States. https://doi.org/10.1063/1.4953100
Hao, G. Z., Yang, S. X., Liu, Y. Q., Wang, Z. X., Wang, A. K., and He, H. D. Tue . "Kinetic calculation of the resistive wall mode and fishbone-like mode instability in tokamak". United States. https://doi.org/10.1063/1.4953100. https://www.osti.gov/servlets/purl/1471521.
@article{osti_1471521,
title = {Kinetic calculation of the resistive wall mode and fishbone-like mode instability in tokamak},
author = {Hao, G. Z. and Yang, S. X. and Liu, Y. Q. and Wang, Z. X. and Wang, A. K. and He, H. D.},
abstractNote = {Kinetic effects of both trapped thermal and energetic particles on the resistive wall mode (RWM) and on the fishbone-like mode (FLM) are investigated in theory. In this paper, the trapped thermal particles include both ions and electrons. The FLM is driven by trapped energetic particles. The results demonstrate that thermal particle collisions can either stabilize or destabilize the RWM, depending on the energetic particle pressure βh. Furthermore, the critical value of βh for triggering the FLM is increased when the thermal particle contribution is taken into account. Finally, the critical value sensitively depends on the plasma collision frequency. In addition, the plasma inertia is found to have a negligible influence on the FLM.},
doi = {10.1063/1.4953100},
journal = {Physics of Plasmas},
number = 6,
volume = 23,
place = {United States},
year = {Tue Jun 07 00:00:00 EDT 2016},
month = {Tue Jun 07 00:00:00 EDT 2016}
}

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Works referencing / citing this record:

Multiple branches of resistive wall mode instability in a resistive plasma
journal, January 2018

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Toroidal modeling of resistive wall mode stability and control in HL-2M tokamak
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Stability of Alfvén eigenmodes in the China Fusion Engineering Test Reactor
journal, October 2019