Mechanism of Ballistic Limit Curve of Whipple Bumper Shield and Numerical Analysis Method on the Phenomena Accompanied by Fragmentations and Phase Changes

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  • KATAYAMA Masahide
    Science & Engineering Systems Division, ITOCHU Techno-Solutions Corporation
  • TAKEBA Atsushi
    Science & Engineering Systems Division, ITOCHU Techno-Solutions Corporation
  • NITTA Kumi
    Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency

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Other Title
  • Whippleバンパーシールドの弾道限界曲線のメカニズムおよび破砕と相変化を伴う数値解析法
  • Whipple バンパーシールド ノ ダンドウ ゲンカイ キョクセン ノ メカニズム オヨビ ハサイ ト ソウヘンカ オ トモナウ スウチ カイセキホウ

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Abstract

After reviewing the history and mechanism of Whipple bumper shield to protect spacecrafts from the hypervelocity impact by micrometeoroids and orbital space debris, this paper proposes and demonstrates the methodology on the determination of ballistic limit curve of Whipple shield only by numerical analyses by using a hydrocode: AUTODYN. In the numerical method, fragmentations and phase changes of projectile and target materials are taken into account.<br>

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