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火星尘埃与探测

孙丽琳 秦国泰 朱光武

孙丽琳, 秦国泰, 朱光武等 . 火星尘埃与探测[J]. 北京航空航天大学学报, 2012, 38(1): 28-32.
引用本文: 孙丽琳, 秦国泰, 朱光武等 . 火星尘埃与探测[J]. 北京航空航天大学学报, 2012, 38(1): 28-32.
Sun Lilin, Qin Guotai, Zhu Guangwuet al. Characteristic and detection of Mars dust[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(1): 28-32. (in Chinese)
Citation: Sun Lilin, Qin Guotai, Zhu Guangwuet al. Characteristic and detection of Mars dust[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(1): 28-32. (in Chinese)

火星尘埃与探测

详细信息
    作者简介:

    孙丽琳(1971-),女,黑龙江哈尔滨人,现为中国科学院空间科学应用研究中心副研究员,sunll@nssc.ac.cn.

  • 中图分类号: V 447+.1

Characteristic and detection of Mars dust

  • 摘要: 火星表面尘埃与太阳辐射、热辐射的相互作用直接影响火星大气的结构、热平衡和动力学过程,并会产生改变火星表面反照率和火星地貌的长期效应.火星尘埃环境还对登陆于火星表面的着陆器能源系统和光学载荷等系统构成影响.为此需开展火星大气尘埃的直接就位探测.在介绍了火星的尘埃特性与主要探测方法基础上,提出了采用微质量计技术开展火星表面尘埃就位探测的综合探测器方案.探测器包含3种传感器.尘埃累积传感器通过设置其敏感晶体表面朝上,可以探测火星表面尘埃的沉积质量与速率;荷电尘埃传感器通过加置不同极性的偏置电压,可以探测荷正电尘埃和荷负电尘埃的累积特性;磁尘传感器通过在敏感晶体后加设小型永久磁铁,可以探测磁性尘埃的累积特性.传感器感测质量范围为10-11~10-4g.火星尘埃综合探测器可应用于未来的火星着陆探测计划.

     

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出版历程
  • 收稿日期:  2010-07-20
  • 网络出版日期:  2012-01-30

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