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Scale modeling for landing behavior of a lunar probe and experimental verification
https://jaxa.repo.nii.ac.jp/records/7471
https://jaxa.repo.nii.ac.jp/records/747194cfd823-c071-46b7-9717-4a9288e508d8
Item type | 会議発表論文 / Conference Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Scale modeling for landing behavior of a lunar probe and experimental verification | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 相似則 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 月面着陸 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 月重力 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 衝撃加速度 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 慣性 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 着陸 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 重力 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 貫通 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 月環境 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 緩和法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 着陸挙動 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 月レゴリスシミュラント | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 粘着力 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | scaling law | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | lunar landing | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | lunar gravitation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | impact acceleration | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | inertia | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | landing | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | gravitation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | penetration | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | lunar environment | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | relaxation method | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | landing behavior | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | lunar regolith stimulant | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | cohesion force | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
その他のタイトル | ||||||
その他のタイトル | 月探査機の着陸挙動解析における力学的相似則の検討 | |||||
著者 |
吉田, 和哉
× 吉田, 和哉× 山口, 智史× 関本, 孝三× 宮原, 啓× 横山, 隆明× Yoshida, Kazuya× Yamaguchi, Satoshi× Sekimoto, Kozo× Miyahara, Akira× Yokoyama, Takaaki |
|||||
著者所属 | ||||||
東北大学 大学院工学研究科 | ||||||
著者所属 | ||||||
東北大学 大学院工学研究科 | ||||||
著者所属 | ||||||
セキモトSEエンジニアリング | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 | ||||||
著者所属 | ||||||
総合研究大学院大学 物理科学研究科 | ||||||
著者所属(英) | ||||||
en | ||||||
Tohoku University Graduate School of Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Tohoku University Graduate School of Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Sekimoto SE Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency | ||||||
著者所属(英) | ||||||
en | ||||||
Graduate University for Advanced Studies School of Physical Sciences | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構宇宙科学研究本部 | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS) | |||||
書誌情報 |
第17回アストロダイナミクスシンポジウム講演後刷り集 2007 en : Proceedings of 17th Workshop on JAXA Astrodynamics and Flight Mechanics p. 206-211, 発行日 2008-03 |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 本論文では、月探査機の着陸挙動解析を行うための月面環境の模擬手法の提案とそれらの考察について述べる。探査機の着陸時の支配的物理法則を見出し、そこから模型理論(力学的相似則)に基づき模擬のための条件式を導き出した。次に、条件式の緩和と実験によるそれらの検証を行った。検証実験より、模擬条件における重力の影響の小ささを見出し、制約緩和の可能性を示すことができた。また、実際の月面着陸における探査機の月面土壌に対する貫入量と着陸時にかかる衝撃力を推定した。 | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | In this paper, a scaling law on the landing behavior of a lunar probe is discussed. In order to derive an effective scaling law, all of the possible non-dimensional numbers, called pi-numbers, were examined at first based on the principle equations of the physics related to the phenomena. One strict relationship between the non-dimensional ratio and scaling law was then derived in terms of the size between a real model and a corresponding scale model. The relationship suggests that the scale models should have the size of one sixth of the real ones when studying the motion behavior of mechanical systems on the Moon. This fact has been well known in the space community. Next, the possibilities to relax the law were investigated, hence two candidate relationships were obtained. Experiments in a vacuum chamber using simulated lunar soil were carried out to validate these relaxed laws, and concluded that inertia forces and soil-cohesion forces dominate over gravity forces for the landing dynamics. Finally, the penetration depth into surface of the moon and maximum force of landing impact were estimated. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0063718034 |