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  1. B100 理学部/理学研究科
  2. B100d 学位論文
  3. 博士論文(理博・論理博)

Experimental Study on the Dynamic Fracture and Static Flow of Ices in the Environment of Icy Planets

http://hdl.handle.net/2237/6602
d21ae35d-cec2-4c77-a4c0-b7cf99984916
名前 / ファイル ライセンス アクション
ot4794_abstr.pdf ot4794_abstr.pdf (327.6 kB)
ot4794.pdf ot4794.pdf (10.1 MB)
Item type 学位論文 / Thesis or Dissertation(1)
公開日 2006-06-22
タイトル
タイトル Experimental Study on the Dynamic Fracture and Static Flow of Ices in the Environment of Icy Planets
その他のタイトル
その他のタイトル 氷天体環境下における氷の動的破壊と静的流動に関する実験的研究
著者 Arakawa, Masahiko

× Arakawa, Masahiko

WEKO 12537

Arakawa, Masahiko

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荒川, 政彦

× 荒川, 政彦

WEKO 12538

荒川, 政彦

Search repository
抄録
内容記述 Planetary exploration by Voyager spacecrafts revealed new features on icy satellites in the outer solar system. The observed size, density and surface image of these satellites show that each satellite possibly experienced by various physical and chemical processes depending on the initial and the boundary conditions. Accretional process of the icy satellites might have caused the variety on the size and the density depending on physical properties of icy planetesimals. Internal evolution process of the icy satellites might be recorded as various geological structures (fault and flow features) on the surface depending on the static physical properties of ices. Therefore, theoretical study on the planetary accretion process is necessary to clear the origin of the variety on the evolutional process of icy satellites at first. Thus, the physics of the planetary collision is necessary to establish the accretional theory on the satellites. Secondary, the studies on ice rheology is especially important to relate the surface geography with the dynamics of the satellite interior. In this study, the mechanical processes closely related to the satellite evolution such as collision, flow, and fracture were clarified by means of experiments on these mechanical properties of ices. Scaling law proposed on fragment size and ejection velocity in the impact disruption was constituted on the basis of experimental results for rocky materials. Thus, applying the law to the icy satellites, the material dependence on elementary process of the impact fracture must be studied and the improvement of the present scaling law to the law considering the elementary process on the impact fracture will be needed. Therefore, ice to ice impact experiments were performed for the purpose of the extension of the scaling law on the impact fracture and the clarification of the impact fracture mechanism; in situ observation on the ejection velocity of fragments and the crack growth process were made in the laboratory.
内容記述タイプ Abstract
内容記述
内容記述 名古屋大学博士学位論文 学位の種類:博士(理学) (論文) 学位授与年月日:平成7年5月15日
内容記述タイプ Other
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_46ec
タイプ thesis
書誌情報 発行日 1995-05-15
学位授与年度
学位授与年度 1995
学位授与年月日
学位授与年月日 1995-05-15
学位授与番号
学位授与番号 13901乙第4794号
フォーマット
application/pdf
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/6602
識別子タイプ HDL
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