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

Hao, G. Z.; Yang, S. X.; Liu, Y. Q.; Wang, Z. X.; Wang, A. K.; He, H. D.

doi:10.1063/1.4953100

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

Journal Article · Tue Jun 07 00:00:00 EDT 2016 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4953100· OSTI ID:1471521

Hao, G. Z. ^[1]; Yang, S. X. ^[2]; Liu, Y. Q. ^[3]; Wang, Z. X. ^[2]; Wang, A. K. ^[4]; He, H. D. ^[4]

Univ. of California, Irvine, CA (United States); Southwestern Inst. of Physics, Chengdu (China)
Dalian Univ. of Technology (China). Key Lab. of Materials Modification by Beams of the Ministry of Education. School of Physics and Optoelectronic Technology
Southwestern Inst. of Physics, Chengdu (China); Culham Centre for Fusion Energy (CCFE), Abingdon (United Kingdom). Culham Science Centre
Southwestern Inst. of Physics, Chengdu (China)

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.

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Research Organization:: 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 Organization:: 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)

Grant/Contract Number:: FG02-02ER54681; AC02-09CH11466; 2014GB124000; 2015GB104004; 2013GB112009; 11428512; 11322549; 11205051; 11475056; 633053; EP/I501045

OSTI ID:: 1471521

Alternate ID(s):: OSTI ID: 1256134

Journal Information:: Physics of Plasmas, Vol. 23, Issue 6; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 10 works

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Multiple branches of resistive wall mode instability in a resistive plasma Yang, S. X.; Liu, Y. Q.; Hao, G. Z. Physics of Plasmas, Vol. 25, Issue 1 https://doi.org/10.1063/1.5007819	journal	January 2018
Toroidal modeling of resistive wall mode stability and control in HL-2M tokamak Xia, Guoliang; Liu, Yueqiang; Ham, C. J. Nuclear Fusion, Vol. 59, Issue 1 https://doi.org/10.1088/1741-4326/aaf02c	journal	December 2018
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