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近地空间磁场梯度分布特性及磁力效应研究
引用本文:刘开磊,张 珩,李文皓,肖歆昕,郭正雄.近地空间磁场梯度分布特性及磁力效应研究[J].航天器环境工程,2012,29(5):493-498.
作者姓名:刘开磊  张 珩  李文皓  肖歆昕  郭正雄
作者单位:中国科学院 力学研究所,北京 100190
基金项目:国家自然科学基金“低轨航天器磁推进机理研究”(项目编号:11002143)
摘    要:以国际地磁参考场模型IGRF11为基础,推导出地球磁场梯度分布公式,并对近地空间磁场分布特点进行了分析。由基本磁力学可知,带强磁体的航天器在地磁环境中不仅受到磁力矩作用,还将受到与地磁梯度相关的磁力的影响。根据地磁环境下的磁体受力机理,文章讨论了以弱磁力改变轨道倾角的方法,并通过数值仿真验证了其有效性。

关 键 词:IGRF11模型  地磁场  梯度分布  弱磁力
收稿时间:4/4/2012 12:00:00 AM
修稿时间:2012/9/21 0:00:00

The characteristics of geomagnetic field's gradient distribution and the magnetic force effects in near-earth space
Liu Kailei,Zhang Heng,Li Wenhao,Xiao Xinxin and Guo Zhengxiong.The characteristics of geomagnetic field's gradient distribution and the magnetic force effects in near-earth space[J].Spacecraft Environment Engineering,2012,29(5):493-498.
Authors:Liu Kailei  Zhang Heng  Li Wenhao  Xiao Xinxin and Guo Zhengxiong
Institution:(Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China)
Abstract:Based on the 11^th international geomagnetic reference field (IGRF11) model, the gradient distribution characteristics of the geomagnetic field in the near-Earth space are analyzed. From magnetics, it is known that the spacecraft with a strong magnet moment is not only affected by the magnetic moment, but also by a magnetic force related to the geomagnetic gradient. This paper discusses how to change the orbital inclination angle by the weak magnetic force, based on the force analysis for a magnet interaction with the geomagnetic field in the IGRFI l model. Numerical simulations are carried out to test the effectiveness of this idea.
Keywords:IGRF11 model  geomagnetic field  gradient distribution  weak magnetic force
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