Evaluation of Dependency of Ejecta due to Hypervelocity Impact on Impact Angle/Temperature and its International Standardization
| Project/Area Number |
24360351
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Aerospace engineering
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| Research Institution | Kyushu Institute of Technology |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
西田 政弘 名古屋工業大学, 工学研究科, 准教授 (60282828)
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| Project Period (FY) |
2012-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
Fiscal Year 2016: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2015: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2014: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2013: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2012: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
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| Keywords | 航空宇宙環境 / 微小宇宙ごみ / 超高速衝突 / 二段式軽ガス銃 / 画像処理 / 宇宙環境 / 微小宇宙ゴミ / 環境温度 / 国際標準規格 / 斜め衝突 |
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| Outline of Final Research Achievements |
ISO11227 was published on September 15, 2012, in which hypervelocity impact test procedure on ejecta is specified in the case that small space debris impacts space structures. Around September 2017, systematic review of ISO11227 will start. A purpose of this study is wide spread of ISO11227 as well as oblique impact experiments by considering addition of oblique impact set-up to ISO11227 at this systematic review phase. In section 6.5 of ISO11227, oblique impact tests are recommended at the impact angle of 15, 30, 45, 60 and 75 degree. In the oblique impact tests, ejecta will be also generated and emitted in oblique direction. So then configuration of target and witness plate is important. In this study, two configurations of oblique impact angles smaller than 30 degree and larger than 45 degree are proposed. These configurations will be added to the current ISO11227 after more than two third P-members support this modification under discussion at ISO/TC20/SC14 meeting.
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Report
(6 results)
Research Products
(48 results)
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[Presentation] Ballistic Experiment of LPSO-type Magnesium Plate Target2017
Author(s)
Masahiro Nishida, Fumiya Kodama, Koichi Hayashi, Yasuhiro Akahoshi, Kazuyuki Hokamoto, Tsuyoshi Mayama, Michiaki Yamasaki, Yoshihito Kawamura
Organizer
31th International Symposium on Space Technology and Science
Place of Presentation
ひめぎんホール（愛媛県松山市）
Year and Date
2017-06-03
Related Report
Int'l Joint Research
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[Presentation] 固体物質の超高速衝突現象2015
Author(s)
西田政弘
Organizer
第59回高性能Mg合金創成加工研究会講演会
Place of Presentation
熊本大学先端マグネシウム国際研究センター
Year and Date
2015-08-24
Related Report
Invited
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