The Study on the Lateral-stability Characteristics of the Parafoil Type Vehicle Developed for Mars Exploration

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  • Moriyoshi Takahiro
    連絡先著者（Corresponding author）：jugon1071@gmail.com 東京農工大学工学府機械システム工学専攻
  • Kanemaru Hiroki
    東京農工大学工学府産業技術専攻 現鹿島建設株式会社
  • Yamada Kazuhiko
    宇宙航空研究開発機構宇宙科学研究所宇宙飛翔工学研究系
  • Nishida Hiroyuki
    東京農工大学工学府機械システム工学専攻

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Other Title
  • 火星探査用パラグライダの横安定性に関する研究

Abstract

<p>Aiming to the Mars exploration by flight vehicle, we have developed a new concept of parafoil type flight vehicle which has a high aerodynamic performance and a structural robustness, that is partial close type parafoil. However, the stability of this parafoil becomes worse than conventional ram-air type parafoil. Especially, severe lateral instability was observed in the drop test. To understand the stability characteristics, the analytical study focusing on the lateral stability was carried out based on the motion dynamic equation in a steady glide. The results indicate that increasing mean line length and high anhedral angle enhances its stability for spiral divergence. Moreover, in this study, this trend suggested by analysis is confirmed by the drop tests. </p>

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