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Title: Effect of Hyper-Resistivity on Nonlinear Tearing Modes

Abstract

We analytically explore nonlinear tearing modes with the anomalous electron viscosity or, as it is normally called, hyper-resistivity. In contrast to the flux average method used by previous work, we employ the standard singular perturbation technique and a quasilinear method to obtain the time evolution equation of tearing modes. The finding that the magnetic flux grows with time in a scaling as t 2/3 demonstrates that nonlinear tearing modes with the hyper-resistivity effect alone have a weaker dependence on time than that of the corresponding resistive case.

Authors:
 [1];  [1];  [2]
  1. Chinese Academy of Sciences (CAS), Beijing (China)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Fusion Energy Sciences (FES) (SC-24); National Natural Science Foundation of China (NNSFC)
OSTI Identifier:
1566022
Report Number(s):
LLNL-JRNL-748586
Journal ID: ISSN 0256-307X; 933743
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Chinese Physics Letters
Additional Journal Information:
Journal Volume: 35; Journal Issue: 6; Journal ID: ISSN 0256-307X
Publisher:
IOP Publishing
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Yang, Wen, Li, Ding, and Xu, Xue-qiao. Effect of Hyper-Resistivity on Nonlinear Tearing Modes. United States: N. p., 2018. Web. doi:10.1088/0256-307X/35/6/065201.
Yang, Wen, Li, Ding, & Xu, Xue-qiao. Effect of Hyper-Resistivity on Nonlinear Tearing Modes. United States. doi:10.1088/0256-307X/35/6/065201.
Yang, Wen, Li, Ding, and Xu, Xue-qiao. Mon . "Effect of Hyper-Resistivity on Nonlinear Tearing Modes". United States. doi:10.1088/0256-307X/35/6/065201. https://www.osti.gov/servlets/purl/1566022.
@article{osti_1566022,
title = {Effect of Hyper-Resistivity on Nonlinear Tearing Modes},
author = {Yang, Wen and Li, Ding and Xu, Xue-qiao},
abstractNote = {We analytically explore nonlinear tearing modes with the anomalous electron viscosity or, as it is normally called, hyper-resistivity. In contrast to the flux average method used by previous work, we employ the standard singular perturbation technique and a quasilinear method to obtain the time evolution equation of tearing modes. The finding that the magnetic flux grows with time in a scaling as t 2/3 demonstrates that nonlinear tearing modes with the hyper-resistivity effect alone have a weaker dependence on time than that of the corresponding resistive case.},
doi = {10.1088/0256-307X/35/6/065201},
journal = {Chinese Physics Letters},
number = 6,
volume = 35,
place = {United States},
year = {2018},
month = {3}
}

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Works referenced in this record:

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