WEKO3
アイテム
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Experimental Study for Surface Structure of Porous Small Bodies : Dust Penetration Depth
https://jaxa.repo.nii.ac.jp/records/20304
https://jaxa.repo.nii.ac.jp/records/20304e3c27ea7-c73f-4035-831e-70f6c30b6f87
Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Experimental Study for Surface Structure of Porous Small Bodies : Dust Penetration Depth | |||||
言語 | ||||||
言語 | eng | |||||
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 | |||||
著者 |
中村, 昭子
× 中村, 昭子× 長谷川, 直× 黒澤, 耕介× 土山, 明× Okamoto, T.× Nakamura, Akiko M.× Hasegawa, Sunao× Kurosawa, Kosuke× Ikezaki, K.× Tsuchiyama, Akira |
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著者所属 | ||||||
神戸大学大学院理学研究科地球惑星科学専攻 | ||||||
著者所属 | ||||||
神戸大学大学院理学研究科地球惑星科学専攻 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構宇宙科学研究所 (JAXA)(ISAS) | ||||||
著者所属 | ||||||
宇宙航空研究開発機構宇宙科学研究所 (JAXA)(ISAS) | ||||||
著者所属 | ||||||
大阪大学大学院理学研究科宇宙地球科学専攻 | ||||||
著者所属 | ||||||
大阪大学大学院理学研究科宇宙地球科学専攻 | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Earth and Planetary Sciences, Graduate School of Science, Kobe University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Earth and Planetary Sciences, Graduate School of Science, Kobe University | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS) | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS) | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Earth and Space Science, Graduate School of Science, Osaka University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Earth and Space Science, Graduate School of Science, Osaka University | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構宇宙科学研究所 (JAXA)(ISAS) | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS) | |||||
書誌情報 |
en : Proceedings of the 44th ISAS Lunar and Planetary Symposium 巻 44, 発行日 2011 |
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会議概要(会議名, 開催地, 会期, 主催者等)(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 44th ISAS Lunar and Planetary Symposium (August 1-3, 2011. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Primordial bodies in the solar system, such as planetesimals and comets, are considered to have high porosity. When small bodies or dusts impact those primordial bodies, strength and internal structure, including porosity, of the target bodies should play important roles in the process of penetration. However, the penetration mechanism has not been fully understood yet. We fabricated high-porosity sintered targets consisting of soda-lime acid silicate hollow glass beads. The sintered targets had porosity of about 94 % and the bulk density of ca.0.14 g/cm3. We conducted impact experiments at high velocity at ISAS using a two-stage light-gas gun and a high speed camera. The impact velocities were ca.2.5, 4.0, 7.0km/s. The penetration depth and track morphology are examined by X-ray micro tomography at Osaka University. In order to discuss the penetration depth, we got data of the deceleration of the projectile and consider a model in which the largest fragment of the projectile decelerates due to a drag force proportional to the square of the velocity and determines the track length. Our model roughly reproduces the track length of the experiment. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 形態: カラー図版あり | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 形態: CD-ROM1枚 | |||||
内容記述(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Physical characteristics: Original contains color illustrations | |||||
内容記述(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Note: One CD-ROM | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12268968 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0065390019 |