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Effects of IMF B-y on the bow shock : MHD results
Alternative TitleWOS:000539702900001;20202008654371;行星际磁场By对弓激波影响的MHD结果
Wang Ming; Yu Chao1; Lu JianYong; Yuan HuanZhi; Zhou Yue; Liu ZiQian2; Chao, Yu3; Gu ChunLi4
Source PublicationCHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
2020
Volume63Issue:5Pages:1725-1737
DOI10.6038/cjg2020M0563
ISSN0001-5733
Language中文
KeywordIMF B-y Bow Shock MHD INTERPLANETARY MAGNETIC-FIELD ENERGY-TRANSFER 3-D SHAPE MAGNETOPAUSE MODEL POSITION DEPENDENCE CONFIGURATION RECONNECTION SIMULATION
AbstractUsing the global magnetohydrodynamic (MHD) simulation, we investigate the effects of the Y component of interplanetary magnetic field (IMF) B-y on the shape and size of the bow shock. Our results show that with the increasing absolute value of B-y, the bow shock's standoff distance, the flaring angle of the rotationally symmetry, the north-south asymmetric parameter, and the rotationally asymmetric parameter all increase. The extent of the B-y effects on the bow shock's standoff distance can reach 5 R-E. The influences of the eastward and westward B-y on the bow shock are symmetric. For the same absolute value of the eastward and westward B-y, the bow shock's standoff distances, the flaring angles of the rotationally symmetry, and the rotationally asymmetric parameters have the same values, while the north-south asymmetric parameters have the same absolute values but with a different sign. The bow shock tail's cross-section is elongated in the north-south direction under B-y conditions, and the extent of the elongation is enhanced with increasing B-y. The elongation of the bow shock tail's cross-section is closely related to the magnetosonic Mach number.
Indexed BySCI ; EI ; CSCD
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7738
Collection中国科学院国家空间科学中心
Affiliation1.Nanjing Univ Informat Sci & Technol, Sch Math & Stat, Inst Space Weather, Nanjing 210044, Peoples R China
2.China Meteorol Adm, Key Lab Space Weather, Natl Ctr Space Weather, Beijing 100081, Peoples R China
3.Chinese Acad Sci, Ctr Space Sci & Appl Res, Beijing 100080, Peoples R China
4.Yangzhong Meteorol Bur, Yangzhong 212200, Jiangsu, Peoples R China
5.Beijing Inst Appl Meteorol, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Wang Ming,Yu Chao,Lu JianYong,et al. Effects of IMF B-y on the bow shock : MHD results[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2020,63(5):1725-1737.
APA Wang Ming.,Yu Chao.,Lu JianYong.,Yuan HuanZhi.,Zhou Yue.,...&Gu ChunLi.(2020).Effects of IMF B-y on the bow shock : MHD results.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,63(5),1725-1737.
MLA Wang Ming,et al."Effects of IMF B-y on the bow shock : MHD results".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 63.5(2020):1725-1737.
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