Constrains on the growth process of planetesimals deduced from condrule and matrix mixture formation
| Project/Area Number |
20540411
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Solid earth and planetary physics
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| Research Institution | Kobe University |
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Principal Investigator |
NAKAMURA Akiko Kobe University, 大学院・理学研究科, 准教授 (40260012)
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| Research Collaborator |
BLUM Juergen ブラウンシュバイク工科大学, 教授
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| Project Period (FY) |
2008 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2010: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2009: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2008: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Keywords | コンドリュール / 圧密 / 微惑星 / マトリックス / 貫入 |
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| Research Abstract |
We performed impact experiments in order to give some constraints for the formation condition of chondrule-matrix mixture. Glass bead of 1-4.7mm in diameter was shot into agglomerates of silica particles or sintered glass beads with velocity ranged from 0.1 to several tens m/s. The result indicated that the impact condition in which the projectile can intrude into the porous target is limited.
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Report
(4 results)
Research Products
(25 results)
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[Journal Article] In situ observation of penetration process in silica aerogel : deceleration mechanism of hard spherical projectiles.2011
Author(s)
Niimi, R., Kadono, T., Arakawa, M., Yasui, M., Dohi, K., Nakamura, A. M., Iida, Y., Tsuchiyama, A.
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Journal Title
Icarus 211
Pages: 986-992
Related Report
Peer Reviewed
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[Journal Article] In situ observation of penetration process in silica aerogel : deceleration mechanism of hard spherical projectiles2011
Author(s)
Niimi, R., Kadono, T., Arakawa, M., Yasui, M., Dohi, K., Nakamura, A.M., Iida, Y., Tsuchiyama, A.
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Journal Title
Icarus
Volume: 211
Pages: 885-893
Related Report
Peer Reviewed
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