Updated on 2024/09/14

 
AKAHOSHI Yasuhiro
 
Scopus Paper Info  
Total Paper Count: 0  Total Citation Count: 0  h-index: 4

Citation count denotes the number of citations in papers published for a particular year.

Affiliation
Faculty of Engineering Department of Space Systems Engineering
Job
Professor
External link

Research Interests

  • Hypervelocity Impact

  • Two-Stage Light Gas Gun

  • Space Debris

Research Areas

  • Frontier Technology (Aerospace Engineering, Marine and Maritime Engineering) / Aerospace engineering

Degree

  • The University of Tokyo  -  Doctor of Engineering   1990.03

Biography in Kyutech

  • 2019.04
     

    Kyushu Institute of Technology   Faculty of Engineering   Department of Space Systems Engineering   Professor  

  • 2018.09
    -
    2020.03
     

    Kyushu Institute of Technology   University Health Center   Director  

  • 2018.04
    -
    2020.03
     

    Kyushu Institute of Technology   Organization for Information Infrastructure   University Library   Director  

  • 2018.04
    -
    2020.03
     

    Kyushu Institute of Technology   Executive Vice President  

  • 2017.04
    -
    2018.03
     

    Kyushu Institute of Technology   School of Engineering  

  • 2017.04
    -
    2018.03
     

    Kyushu Institute of Technology   Faculty of Engineering  

  • 2016.04
    -
    2017.03
     

    Kyushu Institute of Technology   Graduate School of Engineering  

  • 2015.04
    -
    2016.03
     

    Kyushu Institute of Technology   Organization for Promotion of Research and Innovation  

  • 2008.04
    -
    2019.03
     

    Kyushu Institute of Technology   Faculty of Engineering   Department of Mechanical and Control Engineering   Professor  

▼display all

Research Career

  • ジェットエンジン用ファンケース材料の耐衝撃性評価

    高速衝突、複合材料、エアガン

    研究期間： 2007.07  - 

  • 小惑星の地球への衝突回避方法の検討

    大量絶滅、クレーター

    研究期間： 2011.04  - 

  • 宇宙ごみ回収用銛機構の開発

    宇宙ごみ

    研究期間： 2013.10  - 

  • イジェクタ用超高速衝突実験手順の制定と国際標準化への対応

    宇宙ごみ、超高速衝突、二段式軽ガス銃

    研究期間： 2008.04  -  2017.03

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    ２００８年度より超高速衝突時に発生するイジェクタ量を定量的に評価する試験方法の国際標準化について検討してきた。現在、Final Draft IS段階まできており、2012年9月にはIS化された。2017年12月に５年目のシステマティック・レビューを受け、次の５年間が継続されることとなった

  • 衝突誘起放電の閾値の解明

    宇宙ごみ、二段式軽ガス銃

    研究期間： 2004.04  -  2019.03

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    宇宙ごみが発電中の太陽電池パドルに超高速衝突した際に発生するプラズマを介して、放電現象が起こるかどうかの実験を行い、放電の閾値を明らかにした。

Papers

  • Estimation of ejecta generation and mitigation measures for large-scale structures on geostationary orbit Reviewed International journal

    Kawamoto S., Harada R., Joudoi D., Kimoto Y., Izumiyama T., Akahoshi Y.

    Journal of Space Safety Engineering   2024.01

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    Language：English   Publishing type：Research paper (scientific journal)

    DOI： 10.1016/j.jsse.2024.06.005

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  • Study of the effects of projectile strength and density in the asteroid deflection by hypervelocity impact Reviewed International journal

    Wakatsuki Y., Akahoshi Y., Koura T., Takahara H.

    International Journal of Impact Engineering   180   2023.10

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    Language：English   Publishing type：Research paper (scientific journal)

    DOI： 10.1016/j.ijimpeng.2023.104710

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  • STUDY OF THE EFFECTS OF PROJECTILE STRENGTH AND DENSITY IN THE ASTEROID DEFLECTION BY HYPERVELOCITY IMPACT Reviewed International journal

    Wakatsuki Y., Koura T., Akahoshi Y.

    Proceedings of the 16th Hypervelocity Impact Symposium, HVIS 2022   2023.01

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    Authorship：Corresponding author   Language：English   Publishing type：Research paper (international conference proceedings)

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  • STUDY ON HYPERVELOCITY IMPACT OF SRM SLAG WITH VOIDS Reviewed International journal

    Fujii M., Nitta K., Higashide M., Akahoshi Y., Koura T.

    Proceedings of the 16th Hypervelocity Impact Symposium, HVIS 2022   2023.01

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    Authorship：Corresponding author   Language：English   Publishing type：Research paper (international conference proceedings)

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  • A New Attempt of Education in Strength of Material

    AKAHOSHI Yasuhiro

    Proceedings of Annual Conference of Japanese Society for Engineering Education ( Japanese Society for Engineering Education )   2021 ( 0 )   218 - 219   2021.01

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    Authorship：Lead author   Language：Japanese   Publishing type：Research paper (conference, symposium, etc.)

    DOI： 10.20549/jseeja.2021.0_218

    CiNii Article

    CiNii Research

  • Evolution of ISO's space debris mitigation standards Reviewed International journal

    Stokes H., Akahoshi Y., Bonnal C., Destefanis R., Gu Y., Kato A., Kutomanov A., LaCroix A., Lemmens S., Lohvynenko A., Oltrogge D., Omaly P., Opiela J., Quan H., Sato K., Sorge M., Tang M.

    Journal of Space Safety Engineering   7 ( 3 )   325 - 331   2020.09

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    Language：English   Publishing type：Research paper (scientific journal)

    DOI： 10.1016/j.jsse.2020.07.004

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  • Study of the asteroid orbit change by hypervelocity impact and explosive

    KOGA Sota, IKEDA Masaya, YOSHIDA Toi, KOURA Takao, AKAHOSHI Yasuhiro

    The Proceedings of Conference of Kyushu Branch ( The Japan Society of Mechanical Engineers )   2019 ( 0 )   C12   2019.01

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    Language：English   Publishing type：Research paper (conference, symposium, etc.)

    <p>Near Earth Objects (NEOs) are asteroids and comets which come close to Earth's orbit each year. So there is a high possibility of impacts for example, in February 2013, an asteroid created an airburst near Chelyabinsk State in Russia, causing an estimated damage of approximately 33M$ and injuring an estimated damage of approximately 1500 people. To avoid asteroid impacts it is necessary to change NEO's orbit. Impacting at a hypervelocity is one of the methods that we consider to change NEO's orbits. Hypervelocity impacts intend to change the orbit by making a spacecraft impacts on the NEO. In our study we examined the orbit change induced by hypervelocity impacts and explosives to further improve the effect. The influence on the orbit by explosives depends on the shape of the crater created by an impactor. Thus we will optimize its shape by making impact tests with a Two Stage Light Gas Gun in order to accelerate impactors with different shapes. As a result, we analyzed of the influence by explosive with AUTODYN from the shape of craters obtained by the experiment and we found that the shape of crater has an optimum condition.</p>

    DOI： 10.1299/jsmekyushu.2019.72.C12

    CiNii Article

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    Other Link： https://ci.nii.ac.jp/naid/130007801936

  • Evaluation of impact resistance of the CFRP material for aircraft

    HAYASHI Taito, AKAHOSHI Yasuhiro, Juhyo Lee, KOURA Takao

    The Proceedings of Conference of Kyushu Branch ( The Japan Society of Mechanical Engineers )   2019 ( 0 )   G14   2019.01

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    Language：English   Publishing type：Research paper (conference, symposium, etc.)

    <p>To reduce fuel consumption on airplanes, we need nowadays lighter materials which absolutely need to withstand bird strikes. CFRP (Carbon fiber reinforced plastic) is one of the best materials for this, considering its high strength modulus and low density, but still lacks impact resistance. In this study, we simulated a fragment of aircraft impacting on a fan case in order to develop a CFRP with a better strength and impact resistance than conventional CFRP. For this experiment, we used the gas gun installed in our laboratory, and a rigid rectangle projectile as an impactor. Then, we compared our new lamination structure with conventional CFRP according to the amount of absorbed energy and to the delamination area (internal separation of layers). The amount of energy is obtained by the difference of energy before and after the impact, and the higher the energy absorbed, the more resistant the material is. In the case of the delaminationarea, the smaller it is, the lower the damages are. In new CFRP (called E2-E), the conventional [45, -45] degree layer is changed to a [30, -30] degree layer and a 0 degree layer is added between the 30 and -30 layers. The conventional lamination structure is [(0/45/-45/0)<sub>3</sub>(45/-45)(0/-45/45/0)<sub>3</sub>], and the E2-E's lamination structure is [(0/30/0/-30/0)<sub>2</sub>(30/0/-30)<sub>2</sub>]s. As a result, for the same amount of energy the CFRP E2-E was not penetrated unlike conventional CFRP. Moreover, the absorbed enegy was higher and the delamination area was smaller, which means the E2-E materialshowed better performances than coventional CFRP.</p>

    DOI： 10.1299/jsmekyushu.2019.72.G14

    CiNii Article

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    Other Link： https://ci.nii.ac.jp/naid/130007801977

  • Evaluation of durability in harpoon for space debris capture

    YOSHIDA Keno, OHMORI Saika, FUJII Satoshi, KOURA Takao, AKAHOSHI Yasuhiro

    The Proceedings of Conference of Kyushu Branch ( The Japan Society of Mechanical Engineers )   2019 ( 0 )   C11   2019.01

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    <p>One of the promising ways to remove space debris is to attach an electrodynamic tether (EDT) to debris by shooting a harpoon from an active debris removal satellite. There is a possibility for the harpoon to be removed from the surface of debris because of the tensile load of the EDT. The purpose of this research is to evaluate the pull-out force in a novel harpoon designed for the debris capturing system. This new harpoon with a barb is composed of an inner harpoon and an outer harpoon. After the penetration, the outer harpoon is deformed by the inner harpoon and so creates a barb on the tip. Harpoon shooting tests were conducted using a debris capture gun in order to study the impact of the harpoon into the aluminum alloy plate. After firing tests, pull-out tests were conducted by the universal tensile testing machine. During these tests, the harpoon was deformed after the penetration and opened a barb on the tip so the function of barb system could be confirmed. Moreover, the maximum pull-out load the harpoon can handle without being separated from the plate is measured. For some harpoons with the barb system, pull-out load was superior to the non-barb systems. In this way, the efficiency of this design of harpoon is proved, with a maximum loading of 7000 to 16000 N.</p>

    DOI： 10.1299/jsmekyushu.2019.72.C11

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    Other Link： https://ci.nii.ac.jp/naid/130007801937

  • Verification of the revision proposal for ISO11227 considering Ejecta oblique impact test and analysis

    HANAKUSA Takafumi, AKAHOSHI Yasuhiro, TAGAMI Shogo, MURATAKE Nanase, KOURA Takao

    The Proceedings of Conference of Kyushu Branch ( The Japan Society of Mechanical Engineers )   2019 ( 0 )   C14   2019.01

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    Language：English   Publishing type：Research paper (conference, symposium, etc.)

    <p>At present, Space debris have a lot of problems in the space industry. They are the crush to spacecrafts and making the restriction of orbit in space. ISO 112227 was enacted in 2012 as a measure against microscopic secondary Space debris called Ejecta among space debris. However, this protocol did not take into account oblique impacts of projectiles, and a draft revision is made for the purpose of implementing oblique impact experiments. In this research, as a verification of the revision proposal, a 1 mm diameter projectile simulating micro debris is collided with a two-stage light gas gun at a speed of 5 km.s<sup>-1</sup> using a target of A2024-T3, usually used as a spacecraft material. The impact angles are 0 (vertical impact), 45, 60 and 75 degrees. About the evaluation method, it is based on the generation amount of Ejecta and its distribution throughout impact marks. Since the target is a ductile body, the amount of Ejecta generated is small, and so it is difficult to calculate accurate ejecta mass at 60 and 75 degrees. Since the angle also increases the distribution of impact marks, scavenging of Ejecta is insufficient. In order to solve this problem, the way of collecting Ejecta is reviewed in oblique impact experiments.</p>

    DOI： 10.1299/jsmekyushu.2019.72.C14

    CiNii Article

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    Other Link： https://ci.nii.ac.jp/naid/130007801938

  • Hypervelocity impact phenomena of LPSO-magnesium alloys Reviewed

    Nishida M., Kodama F., Hayashi K., Akahoshi Y., Hokamoto K., Kawamura Y.

    EPJ Web of Conferences   183   2018.09

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    Language：English   Publishing type：Research paper (international conference proceedings)

    DOI： 10.1051/epjconf/201818302033

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  • International Standardization of Hypervelocity Impact Test Procedure and its Future Plan

    AKAHOSHI Yasuhiro

    The Proceedings of Conference of Kyushu Branch ( The Japan Society of Mechanical Engineers )   2018 ( 0 )   J31   2018.01

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    Authorship：Lead author   Language：English   Publishing type：Research paper (conference, symposium, etc.)

    DOI： 10.1299/jsmekyushu.2018.71.J31

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    Other Link： https://ci.nii.ac.jp/naid/130007487359

  • Study of the Effects of Projectile Shape in the Asteroid Orbit Change by Spacecraft Impact Reviewed International journal

    Ikeda M., Tanaka M., Yokoo D., Koura T., Akahoshi Y.

    Procedia Engineering   204   138 - 145   2017.01

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    Authorship：Last author   Language：English   Publishing type：Research paper (international conference proceedings)

    DOI： 10.1016/j.proeng.2017.09.766

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  • Lip Formation and Ejecta from LPSO-type Magnesium Alloy Plates in Hypervelocity Impact Reviewed International journal

    Nishida M., Ishida K., Kodama F., Hayashi K., Akahoshi Y., Hokamoto K., Mayama T., Yamasaki M., Kawamura Y.

    Procedia Engineering   173   65 - 72   2017.01

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    Language：English   Publishing type：Research paper (international conference proceedings)

    DOI： 10.1016/j.proeng.2016.12.024

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  • Ejecta from LPSO-Type Magnesium Alloy Targets in Hypervelocity Impact Experiments Reviewed International journal

    Nishida M., Kodama F., Hayashi K., Akahoshi Y., Hokamoto K., Mayama T., Yamasaki M., Kawamura Y.

    Procedia Engineering   204   270 - 275   2017.01

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    Language：English   Publishing type：Research paper (international conference proceedings)

    DOI： 10.1016/j.proeng.2017.09.735

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  • Discharge on Solar Array Coupon by Debris Impact Reviewed International journal

    Tagami S., Quesada M.R., Koura T., Akahoshi Y.

    Procedia Engineering   204   323 - 328   2017.01

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    Authorship：Last author   Language：English   Publishing type：Research paper (international conference proceedings)

    DOI： 10.1016/j.proeng.2017.09.753

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  • Fracture Properties and Ejecta Evaluation of LPSO-Mg Plates in Hypervelocity Impact Experiment

    KODAMA Fumiya, NISHIDA Masahiro, ISHIDA Kaito, HAYASHI Koichi, AKAHOSHI Yasuhiro, HOKAMOTO Kazuyuki, MAYAMA Tsuyoshi, YAMAZAKI Michiaki, KAWAMURA Yoshihito

    The Proceedings of the Materials and Mechanics Conference ( The Japan Society of Mechanical Engineers )   2016 ( 0 )   OS01 - 19   2016.01

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    Language：English   Publishing type：Research paper (conference, symposium, etc.)

    <p>Long period stacking ordered type magnesium (LPSO-Mg) alloys have low density, excellent mechanical strength and ignition resistance. LPSO-Mg have a great potential as structural materials of satellites. Lip formation and ejecta size were examined when spherical projectiles strikes thin plates made of LPSO-type magnesium alloy at hypervelocity of 5 km/s. Witness plates were placed in front and behind of each target to determine the scattering area. After impact experiments, ejecta were collected from test chamber and lips near penetration hole was observed. Results of LPSO-type magnesium alloy plates were compared with those of aluminum alloy (A6061-T6).</p>

    DOI： 10.1299/jsmemm.2016.OS01-19

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    Other Link： https://ci.nii.ac.jp/naid/130007120202

  • Effects of target temperature on size distribution of ejecta in hypervelocity impact : Toward revision of ISO11227 Reviewed

    NISHIDA Masahiro, MIYOKAWA Naoto, KODAMA Fumiya, HAYASHI Koichi, FAURE Pauline, NORIMATSU Koichi, FUJIMURA Yusuke, AKAHOSHI Yasuhiro

    Mechanical Engineering Journal ( The Japan Society of Mechanical Engineers )   3 ( 6 )   16 - 00148-16-00148   2016.01

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    Authorship：Last author   Language：English   Publishing type：Research paper (scientific journal)

    <p>As a preliminary study, the effects of target temperature on ejecta size were examined at an impact velocity of 3.5 km/s with the goal of improving the ISO11227. At first, the size of each ejecta collected from test chamber, was examined by the image analysis software using a photograph of each ejecta (direct method). The cumulative number distributions of ejecta size were discussed. The effects of target temperature on ejecta size were small within a predictable range. After that, we compared the ejecta size distribution of the direct method with the results of the international standard method using witness plate (indirect method). The number of ejecta impact craters evaluated by the international standard method was very small at the high temperature. The results of international standard method using witness plate were easily influenced by temperature of target at the high temperature. It is highly possible that the international standard method underestimate the ejecta from target at high temperature.</p>

    DOI： 10.1299/mej.16-00148

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  • OS0106-474 Crater Shape and Ejecta Size Distribution from Hypervelocity Impact of Spherical Projectiles on LPSO Type Magnesium Alloy

    ISHIDA Kaito, NISHIDA Masahiro, HAYASHI Koichi, AKAHOSHI Yasuhiro, HOKAMOTO Kazuyuki, KAWAMURA Yoshihito

    2015   "OS0106 - 474-1"-"OS0106-474-2"   2015.11

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    Language：English   Publishing type：Research paper (scientific journal)

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    Other Link： https://ci.nii.ac.jp/naid/110010053425

  • OS9-12 Effects of Target Temperature on Size Distribution of Ejecta in Hypervelocity Impact : For revision of ISO 11227(Shock and Hypervelocity Impact,OS9 Recent advances in impact engineering,STRENGTH OF MATERIALS)

    2015 ( 14 )   2015.10

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    Language：English   Publishing type：Research paper (scientific journal)

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    Other Link： https://ci.nii.ac.jp/naid/110010053985

  • Comparison of impact crater shape and splat on various targets for estimating projectile velocity Reviewed

    1   247 - 251   2015.01

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    Language：English   Publishing type：Research paper (international conference proceedings)

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  • IAC-15-A6.1.8 Development on in-situ sensors for micro-meteoroid and orbital debris measurement at JAXA Reviewed

    3   1964 - 1969   2015.01

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    Language：English   Publishing type：Research paper (international conference proceedings)

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  • Effects of temperature of targets on ejecta size distribution in hypervelocity impact Reviewed

    3   2007 - 2026   2014.01

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    Language：English   Publishing type：Research paper (international conference proceedings)

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  • 2H22 International Standardization of Test Procedure of Hypervelocity Impact : Establishing process of ISO11227 and education of standardization

    AKAHOSHI Yasuhiro

    Proceedings of Annual Conference of Japanese Society for Engineering Education ( Japanese Society for Engineering Education )   2014 ( 0 )   408 - 409   2014.01

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    Authorship：Lead author   Language：English   Publishing type：Research paper (conference, symposium, etc.)

    DOI： 10.20549/jseeja.2014.0_408

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    Other Link： https://ci.nii.ac.jp/naid/110009874822

  • 812 The Development of a Plasma Gun to Accelerate Micro-Particles

    UCHINO Takaaki, AKAHOSHI Yasuhiro, KOURA Takao, NAKAMURA Ryuki, KIKUTA Takumi

    The Proceedings of Conference of Kyushu Branch ( The Japan Society of Mechanical Engineers )   2014 ( 0 )   _812 - 1_-_812-2_   2014.01

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    Language：English   Publishing type：Research paper (conference, symposium, etc.)

    DOI： 10.1299/jsmekyushu.2014.67._812-1_

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    Other Link： https://ci.nii.ac.jp/naid/110009951373

  • 814 Evaluation of ejecta generation by hypervelocity-impact tests

    NORIMATSU Koichi, AKAHOSHI Yasuhiro, KOURA Takao, PAULI Faure, NAKAMOTO Hiroshi, FUJIMURA Yosuke

    The Proceedings of Conference of Kyushu Branch ( The Japan Society of Mechanical Engineers )   2014 ( 0 )   _814 - 1_-_814-2_   2014.01

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    DOI： 10.1299/jsmekyushu.2014.67._814-1_

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  • 816 Consideration of Experimental Condition for Bird-impact Test

    HORIGUCHI Tsukasa, AKAHOSHI Yasuhiro, KOURA Takao, MATSUMOTO Kensuke, NAKAJO Haruki

    The Proceedings of Conference of Kyushu Branch ( The Japan Society of Mechanical Engineers )   2014 ( 0 )   _816 - 1_-_816-2_   2014.01

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    DOI： 10.1299/jsmekyushu.2014.67._816-1_

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  • Small carry-on impactor of Hayabusa2 mission Reviewed

    84   227 - 236   2013.01

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    Language：English   Publishing type：Research paper (scientific journal)

    DOI： 10.1016/j.actaastro.2012.11.010

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  • Design, development and flight experiment of a small reusable rocket that glides using two-stage parachute Reviewed

    991 - 996   2011.12

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    Language：English   Publishing type：Research paper (international conference proceedings)

    DOI： 10.1109/SII.2011.6147584

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  • Verification on hypervelocity impact tests of ejecta and data analysis of witness plates after the impact tests Reviewed

    3   1986 - 1989   2011.12

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  • Small carry-on impactor of HAYABUSA-2 mission Reviewed

    2   1343 - 1348   2011.12

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  • Study on precise measurement of solid ejecta fragments from hypervelocity impact Reviewed

    Shie Matsumoto,Kazuhiro Aso,Yasuhiro Akahoshi,Takao Koura,Tomohiro Narumi,Haruhisa Matsumoto,Yukihito KITAZAWA

    2010.07

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    Germany   Bremem   2010.07.17  -  2010.07.25

  • A consideration of impact head design on crater formation for asteroid exploration Reviewed

    Takushi YOSHIHARA,Yasuhiro Akahoshi,Tomohiro Narumi,Takao Koura,Yasutaka Otsuji,Susumu Fujii

    38th COSPAR Scientific Assembly   B04 - 0046-10   2010.07

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    Germany   Bremem   2010.07.17  -  2010.07.25

  • Threshold of Sustained Arc due to Space Debris Impact on Solar Array Reviewed

    Kazuhiro Aso,Kenshou Sugahara,Tomohiro Narumi,Takao Koura,Mengu Cho,Yasuhiro Akahoshi,Hiroto Nagai,Keiko Watanabe

    11th Hypervelocity Impact Symposium   2010.04

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    Germany   Freiburg   2010.04.11  -  2010.04.15

  • Measurement of Size and Velocity Distribution of Ejecta due to Space Debris Impact Reviewed

    Yasutaka Otsuji,Tomohiro Narumi,Hiroshi Takakura,Takao Koura,Yasuhiro Akahoshi

    11th Hypervelocity Impact Symposium   2010.04

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    Germany   Freiburg   2010.04.11  -  2010.04.15

  • Modeling of Spacecraft Fragmentation Process for Hypervelocity Impact Reviewed

    Tomohiro Narumi,Yasuhiro Akahoshi,Junko Murakami,Toshiya Hanada

    11th Hypervelocity Impact Symposium   2010.04

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    Language：English   Publishing type：Research paper (international conference proceedings)

    Germany   Freiburg   2010.04.11  -  2010.04.15

  • INTACT MEASUREMENT OF FRAGMENTS IN EJECTA DUE TO HYPERVELOCITY IMPACT Reviewed

    Kenshou SUGAHARA,Kazuhiro ASO,Yasuhiro AKAHOSHI,Takao KOURA,and Tomohiro NARUMI

    60th International Astronautical Congress   IAC-09-A6.3.06   2009.10

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    Korea   2009.10.12  -  2009.10.16

  • IN-SITU MEASUREMENT OF EJECTA USING FLASH X-RAY Reviewed

    Hiroshi TAKAKURA,Yasuhiro AKAHOSHI,Masumi HIGASHIDE,Yasutaka OTSUJI,Takao KOURA,and Hiroto NAGAI

    60th International Astronautical Congress   IAC-09.A6.P.13   2009.10

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    Korea   Daejeon   2009.10.12  -  2009.10.16

  • Comparison of Estimation Using Debris Environment Models for International Standardization Reviewed

    Naoyuki Tahara,Yasuhiro Akahoshi,Yakihito Kitazawa,Takeo Gota,Masato Uchino,Hiroto Nagai

    27th International Symposium on Space Technology and Science   2009-r-2-06p   2009.07

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    Tsukuba   2009.07.06  -  2009.07.10

  • Development of Four-Stage Light Gas Gun Reviewed

    Yasutaka Otsuji,Yasuhiro Akahoshi,Takao Koura,Hiroto Nagai,Satoshi Iima,Hiroshi Takakura

    27th International Symposium on Space Technology and Science   2009-r-2-08p   2009.07

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    2009.07.06  -  2009.07.10

  • Threshold of Sustained Arc due to Space Debris Impact on Solar Array Reviewed

    Kazuhiro Aso,Toshikazu Nagasaki,Yasuhiro Akahoshi,Keiko Watanabe,Kenshou Sugahara,Masato Fukuyama,Takao Koura,Mengu Cho,Hiroto Nagai

    27th International Symposium on Space Technology and Science   2009-r-2-07p   2009.07

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    Tsukuba   2009.07.06  -  2009.07.10

  • Debris cloud distributions at oblique impacts Reviewed

    M. Higashide,T. Koura,Y. Akahoshi,S. Harada

    International Journal of Impact Engineering   2008.04

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  • Influence of space debris impact on solar array under power generation Reviewed

    Y. Akahoshi,T. Nakamura,S. Fukushige,N. Furusawa,S. Kusunoki,Y.Machida,T. Koura, K. Watanabe,S. Hosoda,T. Fujita,M. Cho

    International Journal of Impact Engineering   2008.04

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  • Investigation and comparison between new satellite impact testresults and NASA standard breakup model Reviewed

    K. Sakuraba,Y. Tsuruda,T. Hanada,J.-C. Liou,Y. Akahoshi

    International Journal of Impact Engineering   2008.04

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  • Development and Evaluation of a TSLGG- Application of an ETC Gun System to its First Stage Reviewed

    Akahoshi,Y. Kitagawa,J. Koura,T. Fukushige,S. Tadaoka,M.

    IEEE Transactions on Magnetics   43 ( 1 )   279 - 283   2007.01

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  • Hypervelocity impact tests against metallic meshes Reviewed

    M. Higashide,M. Tanaka,Y. Akahoshi,S. Harada and F. Tohyama

    International Journal of Impact Engineering   33 ( 1-12 )   335 - 342   2006.12

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  • Preliminary study on sustained arc due to plasma excited by hypervelocity impact of space debris on the solar array coupon Reviewed

    T. Harano,Y. Machida,S. Fukushige,T. Koura,S. Hosoda,M. Cho and Y. Akahoshi

    International Journal of Impact Engineering   33 ( 1-12 )   326 - 334   2006.12

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  • Preliminary study of counter impact with two-stage light gas gun using electrothermalchemical gun technology Reviewed

    M. Tadaoka,Y. Akahoshi,T. Koura,S. Fukushige,E. Matsuda,J. Kitagawa and Y. Qu

    International Journal of Impact Engineering   33 ( 1-12 )   11 - 23   2006.12

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  • Development of perforation hole detection system for space debris impact Reviewed

    S. Fukushige,Y. Akahoshi,T. Koura and S. Harada

    International Journal of Impact Engineering   33 ( 1-12 )   273 - 284   2006.12

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  • New Measurement of Velocity of Debris Cloud Using X-ray Radiograph Reviewed

    Taisei Okumura,Yasuhiro Akahoshi,Keiko Watanabe,Takao Koura,Masumi Higashide

    25th ISTS   2006-r-2-04   2006.06

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    Kanazawa   2006.06.04  -  2006.06.11

  • Damage Evaluation of Solar Panel Impacted by Debris Reviewed

    Yu Machida,Yasuhiro Akahoshi,Toshiya Hanada,Shinya Fukushige,Takayuki Harano

    25th ISTS   2006-r-2-24   2006.06

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    Kanazawa   2006.06.04  -  2006.06.11

  • Estimation of Debris Cloud Generated by Oblique Impacts Reviewed

    Masumi Higashide,Taisei Okumura,Osamu Hayashi ,Takao Koura,Keiko Watanabe

    25th ISTS   2006-r-2-03   2006.06

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    Kanazawa   2006.06.04  -  2006.06.11

  • Hypervelocity Impact Test to Solar Array for Evaluation of Possibility of Sustained Arc Reviewed

    Shinya Fukushige,Yasuhiro Akahoshi,Keiko Watanabe,Takayuki Harano,Yu Machida

    25th ISTS   2006-r-2-25   2006.06

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    Kanazawa   2006.06.04  -  2006.06.11

  • Using NASA Standard Breakup Model to Describe Low-Velocity Impacts on Spacecraft Reviewed

    Toshiya Hanada,Tetsuo Yasaka,Hidehiro Hata,Yasuhiro Akahoshi

    Journal of Spacecraft and Rockets   42 ( 2 )   859 - 864   2005.09

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  • NASA標準破砕モデルの低速衝突への適用性の検討（第２報:静止軌道上物体間における最大衝突速度の考慮） Reviewed

    波多英寛,花田俊也,赤星保浩,八坂哲雄,原田昭治

    日本航空宇宙学会論文集，第53巻、第615号，pp.160-165   53 ( 615 )   160 - 165   2005.04

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    代表的研究業績

  • Measurement of Delay Time From Propellant Ignition to Projectile Launch in Two-Stage Light Gas Gun Using Electrothermal-Chemical Gun Technology Reviewed

    Y.Akahoshi,Y.Qu,T.Koura,S.Fukushige,M.Tadaoka,J.Kitagawa

    Proceedings of the 4th European Conference on Space Debris   391 - 39   2005.04

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    Germany   Darmstadt   2005.04  -  2005.04

  • Hypervelocity Impact Tests Against Metallic Meshes Reviewed

    M.Higashide,M.Tanaka,Y.Akahoshi,F.Tohyama

    Proceedings of the 4th European Conference on Space Debris   395 - 400   2005.04

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    Germany   Ｄａｒｍｓｔａｄｔ   2005.04  -  2005.04

  • Low-Velocity Catastrophic Impact on Micro Satellite Reviewed

    K.Nakashima,T.Hanada,Y.Akahoshi,T.Harano,Y.Machida,S.Fukushige

    Proceedings of the 4th European Conference on Space Debris   701 - 704   2005.04

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    Germany   Ｄａｒｍｓｔａｄｔ   2005.04  -  2005.04

  • 抵抗膜上の直流電位差を利用したデブリ衝突に対する面センサの提案

    福重進也,赤星保浩,高良隆男

    九州工業大学研究報告, 工学   ( 77 )   17 - 23   2005.04

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  • ETCガン技術を適用した二段式軽ガス銃による推進剤の着火から飛翔体発射までの作動時間測定

    赤星保浩,高良隆男,松田 英二

    九州工業大学研究報告, 工学   ( 77 )   25 - 29   2005.04

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  • せん断ひずみ下におけるCuナノクラスタと刃状転位の相互作用 Reviewed

    福田忠生,赤星保浩,原田昭治

    日本機械学会論文集   71   420 - 427   2005.03

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    代表的研究業績

  • A Consideration on Size and Area-to-mass Distributions for Breakup Fragments Reviewed

    Hidehiro Hata,Toshiya Hanada,Tetsuo Yasaka,Yasuhiro Akahoshi,Shoji Harada

    Proceedings of 55th International Astronautical Congress, IAC-04-IAA.5.12.1.09   2004.10

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    Canada   2004.10  -  2004.10

  • NASA標準破砕モデルの低速衝突への適用生の検討 Reviewed

    波多英寛,倉員靖雄,花田俊也,赤星保浩,八坂哲雄,原田昭治

    日本航空宇宙学会論文集   52 ( 607 )   342 - 347   2004.08

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    代表的研究業績

  • Construction of Fragment Model Based on Hypervelocity Impact Test Reviewed

    Hidehiro Hata,Yasuhiro Akahoshi,Yasutake Migita,Shoji Harada

    Proceedings of the 24th International Symposium on Space Technology and Science   343 - 348   2004.06

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    Ｍｉｙａｚａｋｉ   2004.06  -  2004.06

  • Control of Variation of Time Delay from Ignition to Launch in ETC gun Reviewed

    Yasuhiro Akahoshi,Eiji Matuda,Hidehiro Hata

    Materials Science Forum   465-466   185 - 188   2004.03

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    Ｋｕｍａｍｏｔｏ   2004.03  -  2004.03

  • Model Improvement for Low-Velocity Collision Possible in Space Reviewed

    H.Hata,Y.Kurakazu,Y.Akahoshi,T.Hanada,T.Yasaka,S.Harada

    International Journal of Impact Engineering   29   323 - 332   2003.12

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  • Development of Structure with Secondary Defense Function Against Space Debris Impact Reviewed

    Y.Akahoshi,C.Kitamoto,S.Fukushige,H.Hata

    International Journal of Impact Engineering   29   1 - 12   2003.12

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  • Measurement of Mass, Spray Angle and Velocity Distribution of Fragment Cloud Reviewed

    Y.Akahoshi,M.Kaji,H. Hata

    International Journal of Impact Engineering   29   845 - 853   2003.12

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  • Estimation of Decompression Time Based on Hypervelocity Impact Test Results of Structure with Secondary Defence Function Reviewed

    Yasuhiro Akahoshi,Shinya Fukushige,Chihiro Kitamoto,Hidehiro Hata

    Advances in the Astronautical Sciences   117 ( AAS03-451 )   907 - 918   2003.12

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    Ｔｏｋｙｏ   2003.12  -  2003.12

  • Measurement of Secondary Debris in High-Velocity Collision Reviewed

    Hidehiro Hata,Yasuhiro Akahoshi,Toshiya Hanada,Yasuo Kurakazu,Tetsuo Yasaka,Shoji Harada

    Advances in the Astronautical Sciences   117 ( AAS03-449 )   889 - 898   2003.12

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    Ｔｏｋｙｏ   2003.12  -  2003.12

  • New Test Range for Two-Stage Light Gas Gun in Kyushu Institute of Technology Reviewed

    Yasuhiro Akahoshi,Kouji Furukawa,Eiji Matsuda,Hidehiro Hata

    Advances in the Astronautical Sciences   117 ( AAS03-452 )   919 - 926   2003.12

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    Ｔｏｋｙｏ   2003.12  -  2003.12

  • Measurement of Secondary Debris Clouds After Hypervelocity Impact Reviewed

    Yasuhiro Akahoshi,Yasutake Migita,Motoki Kaji,Hidehiro Hata

    Advances in the Astronautical Sciences   117 ( AAS03-450 )   899 - 905   2003.12

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    Ｔｏｋｙｏ   2003.12  -  2003.12

  • LMCによるCuクラスタリング過程の定量的評価 Reviewed

    福田忠生,赤星保浩,黒島義人,原田昭治

    日本機械学会論文集   69   538 - 544   2003.03

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  • Development of a lightweight space debris shield using high strength fibers Reviewed

    M.Tanaka,Y.Moritaka,Y.Akahoshi,R.Nakamura,A.Yamori,S.Sasaki

    International Journal of Impact Engineering   26   761 - 772   2001.12

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  • Development of bumper shield using low density materials Reviewed

    Y.Akahoshi,R.Nakamura and M.Tanaka

    International Journal of Impact Engineering   26   13 - 19   2001.12

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  • Construction of mass, three-dimensional and velocity distribution for the second debris clouds Reviewed

    Y.Akahoshi,T.Nakamura

    International Journal of Impact Engineering   26   1 - 11   2001.12

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  • Development of self-shielding bumper against space debris Reviewed

    H.Hata,Y.Akahoshi

    Advances in the Astronautical Sciences   110 ( AAS01-553 )   395 - 404   2001.11

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    America   Ｐａｓａｄｅｎａ   2001.11  -  2001.11

  • Evaluation of bumper shield with protuberants under space debris impact Reviewed

    Y.Akahoshi,D.Watanabe

    Advances in the Astronautical Sciences   110 ( AAS01-552 )   385 - 394   2001.11

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    America   Pasadena   2001.11  -  2001.11

  • FEMにおけるオブジェクト指向の応用 Reviewed

    関東康祐,三村泰成,赤星保浩

    計算工学   1 ( 2 )   62 - 68   1996.04

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  • 分子動力学法によるナノスケール多結晶体の作成とその応用 Reviewed

    井上秀行,赤星保浩,原田昭治,長原秀健

    日本機械学會論文集. A編   61 ( 588 )   1819 - 1824   1995.08

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  • 分子動力学法によるナノスケール多結晶体の引張解析 : 解析温度依存性の解析 Reviewed

    井上秀行,赤星保浩,原田昭治,長原秀健

    日本機械学會論文集. A編   61 ( 588 )   1813 - 1818   1995.08

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  • 分子動力学法援用による破壊記述パラメータ Reviewed

    井上秀行,赤星保浩,原田昭治

    日本機械学會論文集. A編   60 ( 578 )   2236 - 2241   1994.10

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  • 不完全コレスキー分解による前処理の高速化 : ベクトル計算機向き手法の開発 Reviewed

    矢川元基,赤星保浩

    日本シミュレーション学会シミュレーション   8 ( 1 )   49 - 55   1989.03

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    Kyutacar

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Conference Prsentations (Oral, Poster)

  • 材料力学教育における新しい試み（その２）

    赤星保浩

    第72回年次大会・工学教育研究講演会  2024.09  日本工学教育協会

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    Event date： 2024.09.04 - 2024.09.06   Language：Japanese  

  • パルス電源を用いた宇宙ゴミ回収試験装置と宇宙ゴミ捕獲用銛の開発

    武田悠真，唐木翔平，赤星保浩，髙良隆男

    2023年度衝撃波シンポジウム  2024.03 

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    Event date： 2024.03.05 - 2024.03.07   Language：Japanese  

  • 超高衝突による運動量伝達におけるラブルパイル構の影響

    田中昂大，赤星保浩，高良隆男，高原洋樹，佐藤大志，吉本寛康

    2023年度衝撃波シンポジウム  2024.03 

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    Event date： 2024.03.05 - 2024.03.07   Language：Japanese  

  • CFRP 積層板におけるプリプレグ層厚さが耐衝撃性に及ぼす影響評価

    山口正登，赤星保浩，高良陸男，住田大志，佐野天麻

    2023年度衝撃波シンポジウム  2024.03 

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    Event date： 2024.03.05 - 2024.03.07   Language：Japanese  

  • 静止軌道上での大型構物の超高衝突におけるデブリ衝突時の Ejecta 評価の確立

    北黒裕麻,内田岳志,吉村真優,田中咲希,井上実柚,赤星保浩,髙良隆男,河本聡美, 泉山卓

    2023年度衝撃波シンポジウム  2024.03 

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    Event date： 2024.03.05 - 2024.03.07   Language：Japanese  

  • 超高速衝突技術を利用した小惑星衝突回避法の検討

    赤星保浩

    第66回宇宙科学技術連合 

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    Event date： 2022.11.01 - 2022.11.04   Language：Japanese  

  • STUDY OF THE EFFECTS OF PROJECTILE STRENGTH AND DENSITY IN THE ASTEROID DEFLECTION BY HYPERVELOCITY IMPACT

    Yusuke WAKATSUKI, Yasuhiro AKAHOSHI, Takao KOURA

    Hypervelocity Impact Symposium 2022  Hypervelocity Impact Society

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    Event date： 2022.09.18 - 2022.09.22   Language：English   Country：United States  

  • STUDY ON HYPERVELOCITY IMPACT OF SRM SLAG WITH VOIDS

    Masanori Fujii, Kumi Nitta, Masumi Higashide, Yasuhiro Akahoshi, Takao Koura

    Hypervelocity Impact Symposium 2022  Hypervelocity Impact Society

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    Event date： 2022.09.18 - 2022.09.22   Language：English   Country：United States  

  • 航空機材料の耐衝撃性評価及び新材料の検討

    「住田大志」，「赤星保浩」, 「高良陸男」, 「佐藤史明」, 「福永直弥」, 「伊達爽一郎」

    ２０２１年度衝撃波シンポジウム 

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    Event date： 2022.03.09 - 2022.03.11   Language：Japanese  

  • 衝突実験及び数値解析による BLC Shatter Region における 貫通非貫通の再評価

    「内田岳志」，「加村佳大」，「大保颯野」，「藤井理紀」，「赤星保浩」，「髙良隆男」

    ２０２１年度衝撃波シンポジウム 

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    Event date： 2022.03.09 - 2022.03.11   Language：Japanese  

  • 超高速衝突実験の事前検討用解析モデルの構築

    「高原洋樹」，「赤星保浩」，「高良隆男」，「稲田翔吾」，「若槻雄介」，「石井悠貴」

    ２０２１年度衝撃波シンポジウム 

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    Event date： 2022.03.09 - 2022.03.11   Language：Japanese  

  • Development of Harpoon to Catch Space Debris

    Yasuhiro Akahoshi, Yuki Nakamura,Teo Lenormand

    33rd International Symposium on Space Technology and Science 

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    Event date： 2022.02.26 - 2022.03.04   Language：English  

  • デジタル教科書共有機能の援用による機械系講義「材料力学I」の予習促進について

    赤星保浩

    九州PCカンファレンス 

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    Event date： 2021.11.13   Language：Japanese   Country：Japan  

  • 材料力学教育における新しい試みー電子教科書採用と自己添削導入ー

    赤星保浩

    第69回年次大会・工学教育研究講演会 

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    Event date： 2021.09.08 - 2021.09.10   Language：English   Country：Japan  

  • 小惑星表面における人工的クレータ形成方法の検討

    本人

    平成22年度衝撃波シンポジウム 

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    Event date： 2011.03.16 - 2011.03.18   Language：Japanese  

  • 国際標準化に向けた超高速衝突によるエジェクタ評価実験の研究（第２報：宇宙用材料評価試験結果の速報）

    本人

    平成２２年度スペースプラズマ研究会 

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    Event date： 2011.03.03 - 2011.03.04   Language：Japanese  

  • 火薬銃を用いた衝突試験機の開発と衝撃吸収部材の検討

    末延達也（機械知能工学専攻）

    社団法人自動車技術会2010年秋季大会 

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    Event date： 2010.09.29 - 2010.10.01   Language：Japanese  

  • International Standardization of Hypervelocity Impact Test Procedure on Ejecta

    61st Aeroballistic Range Association Meeting 

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    Event date： 2010.09.12 - 2010.09.17   Language：English  

  • 超高速度カラービデオカメラを用いたデブリ防護計測

    髙倉 弘志

    高速度イメージングとフォトニクスに関する総合シンポジウム2009 

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    Event date： 2009.12.10 - 2009.12.12   Language：Japanese  

  • 超高速衝突によるエジェクタの測定

    菅原賢尚

    日本航空宇宙学会西部支部講演会 

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    Event date： 2009.11.10   Language：Japanese  

  • Discharge of Solar Array Coupon under Generation due to Hypervelocity Impact

    60th Aeroballistic Range Association 

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    Event date： 2009.09.20 - 2009.09.25   Language：English  

  • 多機能高速飛翔体発射装置の開発

    平成１９年度衝撃波シンポジウム 

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    Event date： 2008.03.17 - 2008.03.19   Language：Japanese  

  • 超高速衝突による誘起プラズマの密度測定

    平成１９年度衝撃波シンポジウム 

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    Event date： 2008.03.17 - 2008.03.19   Language：Japanese  

  • 斜め衝突におけるデブリ雲モデル

    平成１９年度衝撃波シンポジウム 

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    Event date： 2008.03.17 - 2008.03.19   Language：Japanese  

  • 太陽電池アレイへのデブリ衝突時に発生する持続放電の閾値の検

    平成１９年度衝撃波シンポジウム 

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    Event date： 2008.03.17 - 2008.03.19   Language：Japanese  

  • デブリクラウドの解析に向けたダブルアノード X線管球の開発

    平成１９年度衝撃波シンポジウム 

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    Event date： 2008.03.17 - 2008.03.19   Language：Japanese  

  • 四段式軽ガス銃の開発に向けた超高分子量ポリエチレン製超小型二段式軽ガス銃のシミュレーション

    平成１９年度衝撃波シンポジウム 

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    Event date： 2008.03.17 - 2008.03.19   Language：Japanese  

  • デブリ衝突により起こる太陽電池アレイの持続放電の閾値

    長崎俊和

    第２７回宇宙エネルギーシンポジウム 

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    Event date： 2008.03.07   Language：Japanese  

  • Current Problems of Debris Environment Models and Related Studies of JAXA

    第３回スペースデブリワークショップ 

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    Event date： 2008.01.21 - 2008.01.22   Language：Japanese  

  • 超高速飛翔体発射技術と超高速衝突破壊現象について

    、衝突と破壊に関するワークショップ、宇宙航空研究開発機構 情報・計算工学センター 

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    Event date： 2007.12.10   Language：Japanese  

  • , Study of Discharge Phenomenon Caused by Debris Impacts Solar Array

    2007 JSASS-KSAS Joint International Symposium on Aerospace Engineerin 

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    Event date： 2007.10.10 - 2007.10.12   Language：Japanese  

  • Angle Dependence of Damage of Solar Cell Impacted by Micro-Debri

    2007 JSASS-KSAS Joint International Symposium on Aerospace Engineering 

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    Event date： 2007.10.10 - 2007.10.12   Language：Japanese  

  • Comparison of Debris Environment Models for International Standardization of Model Application Proces

    2007 JSASS-KSAS Joint International Symposium on Aerospace Engineering 

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    Event date： 2007.10.10 - 2007.10.12   Language：Japanese  

  • Debris Cloud Distribution at Different Impact Angle

    2007 JSASS-KSAS Joint International Symposium on Aerospace Engineering 

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    Event date： 2007.10.10 - 2007.10.12   Language：Japanese  

  • Influences of Space Debris Impact on Solar Array Under Power Generation

    10th Hypervelocity Impact Symposium 

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    Event date： 2007.09.23 - 2007.09.27   Language：Japanese  

  • Debris Cloud Distributions at Oblique Impacts

    10th Hypervelocity Impact Symposium 

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    Event date： 2007.09.23 - 2007.09.27   Language：Japanese  

  • 斜め衝突時の破片分布計測

    日本機械学会創立110周年記念2007年度年次大会論文集 

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    Event date： 2007.09   Language：Japanese  

  • リバースインパクトテスト用ターゲット飛翔体の開発

    日本機械学会創立110周年記念2007年度年次大会論文集 

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    Event date： 2007.09   Language：Japanese  

  • 衝突誘起放電実験

    ，日本機械学会創立110周年記念2007年度年次大会論文集 

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    Event date： 2007.09   Language：Japanese  

  • Solar array arcing due to plasma created by space debris impact

    S. Fukushige

    , 10th Spacecraft Charging Technology Conference 

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    Event date： 2007.06   Language：Japanese  

  • 太陽電池アレイへのデブリ衝突時に発生する持続放電の閾値の検

    平成１９年度衝撃波シンポジウム 

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    Event date： 2007.04   Language：Japanese  

  • Development and Evaluation of a TSLGG―Application of an ETC Gun System to its First Stage

    13th EML Symposium 

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    Event date： 2006.05.22 - 2006.05.26   Language：Japanese  

  • 超高速衝突後の二次デブリ雲の挙動とモデル化

    、第３回スペースデブリワークショップ 

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    Event date： 2006.01.21 - 2006.01.22   Language：Japanese  

  • Fe-Cu合金におけるCu析出物が転位運動に及ぼす影響(J06-1 マイクロ・ナノ構造と変形解析,J06 計算マイクロ・ナノメカニクス)

    高山裕貴

    年次大会講演論文集  

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    Event date： 2005.04   Language：Japanese  

  • Cuナノ析出物の転位運動への影響

    神崎正一郎

    日本機械学会九州支部講演論文集(G.S.ミクロ構造・転位,九州支部 第58期総会・講演会) 

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    Event date： 2005.04   Language：Japanese  

  • 周期境界条件によるCuナノ析出物が転位運動に与える影響(OS-14C 欠陥/析出物と相互作用,OS-14 電子・原子・マルチスケールシミュレーションに基づく材料特性評価)

    高山裕貴

    計算力学講演会講演論文集 

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    Event date： 2005.04   Language：Japanese  

  • デジタル画像相関法を用いた鋳造アルミ合金の鋳造欠陥評価(S20-5 応力・ひずみ分布計測法(1),S20 実験力学的手法による材料・製品の評価)

    岡田仁宏

    年次大会講演論文集 

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    Event date： 2005.04   Language：Japanese  

  • デブリ衝突による太陽電池パネルの損傷

    町田裕

    日本機械学会九州支部講演論文集(G.S.衝撃・動的変形,九州支部 第58期総会・講演会) 

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    Event date： 2005.03   Language：Japanese  

  • デブリクラウド撮影のための新フラッシュX線管球の開発

    日本機械学会九州支部講演論文集(G.S.機械力学・計測制御(音響・衝撃),九州支部 第58期総会・講演会) 

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    Event date： 2005.03   Language：Japanese  

  • 向衝突に向けた二段式軽ガス銃の作動時間測定

    日本機械学会九州支部講演論文集(G.S.機械力学・計測制御(音響・衝撃),九州支部 第58期総会・講演会) 

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    Event date： 2005.03   Language：Japanese  

  • Fe-Cu合金におけるCuナノ析出物の転位運動への影響

    神崎正一郎

    計算力学講演会講演論文集(OS13d 電子・原子シミュレーションに基づく材料特性評価) 

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    Event date： 2004.04   Language：Japanese  

  • 常温でのCuナノ析出物の転位運動への影響

    高山 裕貴

    年次大会講演論文集(J08-3 転位・変形,J08 原子系の計算力学シミュレーション) 

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    Event date： 2004.04   Language：Japanese  

  • BCC-Cuナノ析出物による析出強化機構のMD解析

    神崎正一郎

    学術講演会講演論文集(ナノマテリアルの評価,ナノマテリアル最前線,オーガナイスドセッション11,第53期学術講演会) 

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    Event date： 2004.04   Language：Japanese  

  • 宇宙ごみとの超高速衝突による宇宙構造物の破壊

    右田裕丈

    年次大会講演論文集(S65-1 宇宙構造・材料,S65 宇宙構造物) 

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    Event date： 2004.04   Language：Japanese  

  • 抵抗膜を用いたデブリ衝突モニタリングシステムの超高速衝突実験

    福重進也

    年次大会講演論文集(S65-1 宇宙構造・材料,S65 宇宙構造物) 

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    Event date： 2004.04   Language：Japanese  

  • Fe-Cu モデル合金中の Cu ナノクラスタ析出過程

    福田忠生

    計算力学講演会講演論文集 

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    Event date： 2003.04   Language：Japanese  

  • MVLMC コードによる Cu クラスタ分布モデルの定量的評価

    福田忠生

    年次大会講演論文集 

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    Event date： 2003.04   Language：Japanese  

  • LMC シミュレーションによる Cu 析出物間分布モデルの構築

    福田忠生

    計算力学講演会講演論文集 

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    Event date： 2002.11.02 - 2002.11.04   Language：Japanese  

  • ナノスケール銅析出物の刃状転位への影響

    福田忠生

    年次大会講演論文集 

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    Event date： 2002.09.25 - 2002.09.27   Language：Japanese  

  • フラッシュ X 線を用いた二次デブリ雲の計測

    本人

    日本流体力学会年会講演論文集 

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    Event date： 2002.07.23 - 2002.07.25   Language：Japanese  

  • 耐スペースデブリ衝撃構造の開発

    本人

    計算工学講演会論文集 

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    Event date： 2002.04   Language：Japanese  

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Press

  • サイエンスゼロスペシャル

    赤星保浩

    NHK  2009.08.29

  • サイエンスＺＥＲＯ　宇宙の”ゴミ問題”を解決せよ！

    赤星保浩

    NHK  2009.06.13

Grants-in-Aid for Scientific Research

  • 超高速衝突時に発生するイジェクタの衝突角度／温度依存性評価と国際標準化への対応

    Grant number：24360351  2012.04 - 2017.03   基盤研究(B)

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    増加の一途を辿っている宇宙ごみの増加割合を低減させるため、各国が対策を取りつつあるが必ずしも効果が上がっていない。そこで、国際標準化機構（ISO）などの国際規格を通じて抑制する動きがあり、フランスのMandeville氏が平成１８年にISO/TC20/SC14/WG6に提案された規格案DIS11227もそうした活動の一つであり、新たな宇宙ごみを生じにくい材料を選定するための地上試験方法の標準化に関する規定である。平成２１年度より本格的に同規格案の審議に日本側委員として参加し、日本の宇宙開発に不利にならないよう規格案の修正を主張してきた。同規格案は本年５月にブラジルで開催されるISO/TC20/SC14総会においてFDIS(Final Draft International Standard)へ移行することが承認される見込みであり、遅くとも来年度中にはIS(International Standard)化される予定である。IS化された後、３年後に見直し時期を迎えるが、その際には日本が主導して同規格案を修正し、日本の宇宙開発の妨げにならないよう配慮しつつ、宇宙環境保全活動へ貢献するような規格案に改正することを目的とする。具体的には、IS11227の見直し時期に、斜め衝突を標準試験の一つとして追加し、さらにはオプションとして衝突時に発生するイジェクタ量の温度依存性確認試験を追記できるようにする。そのためには平成２４年度から平成２６年度に掛けて、規格修正案を裏付けるための実験データの蓄積を九州工業大学ならびに名古屋工業大学で協力し合いながら行う。

  • 超高速衝突時に発生するイジェクタの質量/速度計測法の確立と国際規格案への対応

    Grant number：21560819  2009.04 - 2012.03   基盤研究(C)

Charge of off-campus class subject

  • 2023.09 - 2024.02   Institution：北九州工業高等専門学校

  • 2023.09 - 2024.02   Institution：北九州工業高等専門学校

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    Level：others 

  • 2023.04 - 2023.08   Institution：北九州工業高等専門学校

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    Level：others 

Activities of Academic societies and Committees

  • 日本学生航空連盟　西部地区連絡会   会長  

    2015.03 - 2020.02

  • 日本工学教育協会 KIS評価委員会   委員  

    2022.12 - 2024.06

Social activity outside the university

  • 市民カレッジ

    Role(s)：Lecturer

    市民カレッジ  生涯学習総合センター  2022.11.19

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    Audience： General

    Type：Lecture

    「地球のまわりは危険がいっぱい」と題して、小惑星の地球への衝突問題について、途中クイズを交えながら講演した。

  • 日本学生航空連盟　西部地区連絡会

    Role(s)：Presenter

    2015.03.16 - 2020.02.15

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    Audience： College students,　General

    Type：Other