Evolution of Kelvin-Helmholtz instability at Venus in the presence of the parallel magnetic field
Evolution of Kelvin-Helmholtz instability at Venus in the presence of the parallel magnetic field
复制标题
平行磁场存在下金星开尔文-亥姆霍兹不稳定性的演化
DOI:
10.1063/1.4922753
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发表时间:
2014-08
影响因子:
2.2
通讯作者:
Y. S. Ge
中科院分区:
文献类型:
--
作者:
Lu H. Y.;J. B. Cao;T. L. Zhang;H. S. Fu;Y. S. Ge
Two-dimensional MHD simulation was performed to study the evolution of Kelvin-Helmholtz (KH) instability on Venusian ionopause in response to the strong sheared velocity flow in presence of the in-plane magnetic field parallel to the direction of the flow. The Key result from our simulations is that both of the density increase and the parallel magnetic component on the boundary layer play a role of stabilizing the instability. In the high density ratio cases, the value of final total magnetic energy in the quasi-steady status is much more than that of the initial status, which is quite distinct from that with low density increase. The nonlinear development of case with high density increase and uniform magnetic field is of interest that a single magnetic island forms before the instability saturation. In the non-linear development phase, a new magnetic island arises associated with magnetic reconnection occurring inside the narrow high rolled up density region, combining the pre-existing magnetic island together to form a quasi-steady two island pattern.
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DOI:
10.1086/176691
发表时间:
1996
期刊:
The Astrophysical Journal
影响因子:
--
作者:
A. Malagoli;G. Bodo;R. Rosner
通讯作者:
A. Malagoli;G. Bodo;R. Rosner
影响因子:
2.2
作者:
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通讯作者:
M. Zellinger;U. Möstl;N. Erkaev;H. Biernat
影响因子:
--
作者:
Z. Pu;M. Kivelson
通讯作者:
Z. Pu;M. Kivelson
影响因子:
2.8
作者:
Wolff, R. S.;Goldstein, B. E.;Yeates, C. M.
通讯作者:
Yeates, C. M.
DOI:
10.1086/308259
发表时间:
1999-09
期刊:
The Astrophysical Journal
影响因子:
--
作者:
Hyunju Jeong;D. Ryu;T. Jones;A. Frank
通讯作者:
Hyunju Jeong;D. Ryu;T. Jones;A. Frank