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Active Removal of Orbital Debris by Induced Hypervelocity Impact of Injected Dust Grains

机译:通过诱导注入的粉尘谷物诱导超细钙的主动去除眶碎片

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Collisions of an active satellite with a small (1mm - cm) untrackable orbital debris can be mission ending. It has been recently established that we are at the tipping point for collisional cascade of larger objects to exponential growth of small orbital debris. This will make access to near-Earth space hazardous without first clearing the existing debris from this region. We present a concept for elimination of small debris by deploying micron scale dust to artificially enhance the drag on the debris. The key physics that makes this technique viable is the possibility of large momentum boost realized through hypervelocity dust/debris collision. By deploying high mass density micron scale dust in a narrow altitude band temporarily it is possible to artificially enhance drag on debris spread over a very large volume and force rapid reentry. The injected dust will also reenter the atmosphere leaving no permanent residue in space.
机译:活动卫星的碰撞,具有小(1mm - cm)无法易于轨道碎片的任务结束。最近已经确定,我们处于攻击小型物体的攻击点,以指数增长的小眶碎屑。如果没有首先清除来自该地区的现有碎片,这将获得近地球空间危险。我们提出了一种通过部署微米尺度灰尘来消除小碎屑来人为地增强碎片的拖拉。使这种技术可行的主要物理是通过超细灰尘/碎片碰撞实现大量势头的可能性。通过暂时在窄高度带中展开高质量密度微米垢灰尘,可以在非常大的体积和力快速再入的碎片上人工增强碎片。注入的灰尘也将重新进入大气层,在太空中没有永久性残留物。

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