fragmentation of millimeter-size hypervelocity projectiles on combined mesh-plate bumpers

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ID: 177372
2017
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Ranked #118 of 254 articles by views in bulletin of the korean chemical society

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Abstract
This numerical study evaluates the concept of a combined mesh-plate bumper as a shielding system protecting unmanned spacecraft from small (1 mm) orbital debris impacts. Two-component bumpers consisting of an external layer of woven mesh (aluminum or steel) directly applied to a surface of the aluminum plate are considered. Results of numerical modeling with a projectile velocity of 7 km/s indicate that, in comparison to the steel mesh-combined bumper, the combination of aluminum mesh and aluminum plate provides better fragmentation of small hypervelocity projectiles. At the same time, none of the combined mesh/plate bumpers provide a significant increase of ballistic properties as compared to an aluminum plate bumper. This indicates that the positive results reported in the literature for bumpers with metallic meshes and large projectiles are not scalable down to millimeter-sized particles. Based on this investigation’s results, a possible modification of the combined mesh/plate bumper is proposed for the future study.
Reference Key
cherniaev2017advancesfragmentation Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Aleksandr Cherniaev;Igor Telichev
Journal bulletin of the korean chemical society
Year 2017
DOI
10.1155/2017/7218482
URL
http://dx.doi.org/10.1155/2017/7218482
Keywords
materials of engineering and construction mechanics of materials

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