OHKAWA YASUSHI 大川恭志

… Alternative Names

大川恭志オオカワヤスシ

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Researcher Number	20415920
Affiliation (Current)	2025: 国立研究開発法人宇宙航空研究開発機構, 研究開発部門, 研究領域主幹
Affiliation (based on the past Project Information) *help	2016 – 2019: 国立研究開発法人宇宙航空研究開発機構, 研究開発部門, 主任研究開発員 2016: 宇宙航空研究開発機構, 研究開発部門・第二研究ユニット, 主任研究開発員 2015: 国立研究開発法人宇宙航空研究開発機構, 研究開発部門第二研究ユニット, 研究員 2015: 宇宙航空研究開発機構, 研究開発本部・研究院 2014: 独立行政法人宇宙航空研究開発機構, 研究開発本部, 主任研究員
Review Section/Research Field	Principal Investigator Aerospace engineering Except Principal Investigator Aerospace engineering
Keywords	Principal Investigator スペースデブリ除去 / 航空宇宙工学 / スペースデブリ / 電子放出 / ダイヤモンド半導体 / エレクトロダイナミックテザー / 宇宙推進 / 宇宙ごみ（スペースデブリ） Except Principal Investigator ヒーター加熱試験 / Hybrid-PICコード開発 … More / 放射加熱 / Hybrid-PIC / 電流電圧特性 / モード遷移 / 熱解析 / イオン音波不安定性 / プラズマ粒子解析 / ホローカソード / hybrid-PIC / simulation / hollow cathode / electric propulsion / 半導体物性 / 航空宇宙工学 / 人工衛星 / 立方晶窒化ホウ素 / 電界放出型カソード / 電子源 / 推進・エンジン Less

Feasibility Study on Electron Emission Device using Diamond Semiconductors for Space ApplicationsPrincipal Investigator
- Principal Investigator
  
  Ohkawa Yasushi
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Aerospace engineering
- Research Institution
  Japan Aerospace EXploration Agency
Investigation of cubic boron nitride field emission cathode
- Principal Investigator
  
  Yamamoto Naoji
- Project Period (FY)
  2014 – 2015
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Aerospace engineering
- Research Institution
  Kyushu University
Study on High-Current Hollow Cathode for Next-Generation of Spacecrafts
- Principal Investigator
  
  Kubota Kenichi
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Aerospace engineering
- Research Institution
  Japan Aerospace EXploration Agency

All 2019 2018 2017 2016 Other

All Journal Article Presentation

[Journal Article] Charging Behavior of the H-II Transfer Vehicle by Active Electron Emission2019
- Author(s)
  Ohkawa Yasushi、Okumura Teppei、Kawamoto Satomi、Kobayashi Yuki
- Journal Title
  
  IEEE Transactions on Plasma Science
  
  Volume: 47 Issue: 8 Pages: 3852-3857
- DOI
  10.1109/tps.2019.2915819
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H04595
[Journal Article] Ion Thruster Operation with Carbon Nanotube Field Emission Cathode2019
- Author(s)
  Yamamoto Naoji、Morita Taichi、Ohkawa Yasushi、Nakano Masakatsu、Funaki Ikkoh
- Journal Title
  
  Journal of Propulsion and Power
  
  Volume: 35 Issue: 2 Pages: 490-493
- DOI
  10.2514/1.b37214
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H03815, KAKENHI-PROJECT-18H01232, KAKENHI-PROJECT-16H04595
[Journal Article] Operation of a carbon nanotube field-emission cathode in low Earth orbit2019
- Author(s)
  Ohkawa Yasushi、Okumura Teppei、Iki Kentaro、Okamoto Hiroyuki、Kawamoto Satomi
- Journal Title
  
  Journal of Vacuum Science & Technology B
  
  Volume: 37 Issue: 2 Pages: 022203-022203
- DOI
  10.1116/1.5067299
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H04595
[Journal Article] Field Emission Cathodes for an Electrodynamic Tether Experiment on the H-II Transfer Vehicle2018
- Author(s)
  Yasushi OHKAWA, Teppei OKUMURA, Yuuta HORIKAWA, Yoshiyuki MIURA, Satomi KAWAMOTO, Koichi INOUE
- Journal Title
  
  TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN
  
  Volume: 16 Issue: 1 Pages: 63-68
- DOI
  10.2322/tastj.16.63
- NAID
  130006301927
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H04595
[Journal Article] Hybrid-PIC Simulation on Plasma Flow of Hollow Cathode2016
- Author(s)
  K. Kubota, Y. Oshio, H. Watanabe, S. Cho, Y. Ohkawa, I. Funaki
- Journal Title
  
  Transaction of JSASS
  
  Volume: 14
- NAID
  130005252787
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26820377
[Presentation] ダイヤモンド半導体の宇宙用電子放出源への適用可能性評価2019
- Author(s)
  恒川尚輝、大川恭志、加藤宙光、山極芳樹
- Organizer
  平成30年度宇宙輸送シンポジウム
- Data Source
  KAKENHI-PROJECT-16H04595
[Presentation] 低地球軌道上におけるカーボンナノチューブ電子放出源の性能変化について2019
- Author(s)
  深見侑希、大川恭志、河本聡美、横田久美子、田川雅人
- Organizer
  第16回宇宙環境シンポジウム
- Data Source
  KAKENHI-PROJECT-16H04595
[Presentation] Research and Development Status of a Miniature Ion Engine2019
- Author(s)
  Yamamoto Naoji、Adachi Misaki、Ikeda Ryo、Takesue Ippei、Morita Taichi、Nakano Masakatsu、Ohkawa Yasushi、Funaki Ikkoh
- Organizer
  32nd International Symposium on Space Technology and Science
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04595
[Presentation] Results of Field-Emission Cathode Operation on the H-II Transfer Vehicle2018
- Author(s)
  Ohkawa Yasushi、Okumura Teppei、Horikawa Yuuta、Miura Yoshiyuki、Kawamoto Satomi、Inoue Koichi
- Organizer
  69th International Astronautical Congress (IAC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04595
[Presentation] Operation of a Carbon Nanotube Field-Emission Cathode in Low Earth Orbit2018
- Author(s)
  Yasushi Ohkawa, Teppei Okumura, Kentaro Iki, Hiroyuki Okamoto, Satomi Kawamoto
- Organizer
  The 31st International Vacuum Nanoelectronics Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04595
[Presentation] Structural characterization and emission properties of phosphorus-doped NCD films2018
- Author(s)
  Hiromitsu Kato, Takatoshi Yamada, Yasushi Ohkawa, Masahiko Ogura, Toshiharu Makino, Satoshi Yamasaki
- Organizer
  The 31st International Vacuum Nanoelectronics Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04595
[Presentation] カーボンナノチューブカソード研究開発の現状2017
- Author(s)
  大川恭志，奥村哲平
- Organizer
  第61回宇宙科学技術連合講演会
- Data Source
  KAKENHI-PROJECT-16H04595
[Presentation] A Quick Review of an Electrodynamic Tether Experiment on the H-II Transfer Vehicle2017
- Author(s)
  Yasushi Ohkawa, Kentaro Iki, Teppei Okumura, Satomi Kawamoto, Yuuta Horikawa, Koichi Inoue, Yuki Kobayashi, Takashi Uchiyama, Toru Kasai
- Organizer
  35th International Electric Propulsion Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04595
[Presentation] ダイヤモンド半導体を用いた宇宙用電子放出源の実現可能性検討2017
- Author(s)
  恒川尚輝、大川恭志、加藤宙光、山極芳樹
- Organizer
  第61回宇宙科学技術連合講演会
- Data Source
  KAKENHI-PROJECT-16H04595
[Presentation] Numerical and Experimental Study on Discharge Characteristics of High-Current Hollow Cathode2016
- Author(s)
  K. Kubota, Y. Oshio, H. Watanabe, S. Cho, Y. Ohkawa, I. Funaki
- Organizer
  Propulsion and Energy 2016
- Place of Presentation
  Salt Palace Convention Center
- Year and Date
  2016-07-25
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26820377
[Presentation] Numerical and Experimental Study on Discharge Characteristics of High-Current Hollow Cathode2016
- Author(s)
  K. Kubota, Y. Oshio, H. Watanabe, S. Cho, Y. Ohkawa, I. Funaki
- Organizer
  AIAA Propulsion and Energy 2016
- Place of Presentation
  ソルトレイク
- Year and Date
  2016-07-25
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26820377
[Presentation] 立方晶窒化ホウ素を材料に用いた電界放出型カソードの開発2016
- Author(s)
  山本直嗣，川原友太郎,船木一幸，大川恭志
- Organizer
  宇宙科学に関する室内シンポジウム
- Place of Presentation
  宇宙科学研究所、相模原
- Year and Date
  2016-02-23
- Data Source
  KAKENHI-PROJECT-26630444
[Presentation] 大電力電気推進用カソードのHybrid-PIC解析2016
- Author(s)
  窪田健一、大塩裕哉、渡邊裕樹、張科寅、大川恭志、船木一幸
- Organizer
  応用物理学会
- Place of Presentation
  大阪市立大学
- Year and Date
  2016-08-08
- Data Source
  KAKENHI-PROJECT-26820377
[Presentation] ホローカソード数値モデルの検討と放電実験2016
- Author(s)
  窪田健一、大塩裕哉、渡邊裕樹、張科寅、大川恭志、船木一幸
- Organizer
  宇宙輸送シンポジウム
- Place of Presentation
  JAXA相模原キャンパス
- Year and Date
  2016-01-14
- Data Source
  KAKENHI-PROJECT-26820377
[Presentation] Thermal Analysis of Lanthanum Hexaboride Hollow Cathode with Contactless Carbon Heater
- Author(s)
  Y. Oshio, K. Kubota, H. Watanabe, S. Cho, Y. Ohkawa, I. Funaki
- Organizer
  34th International Electric Propulsion Conference
- Place of Presentation
  Kobe International Conference Center
- Year and Date
  2015-07-06 – 2015-07-10
- Data Source
  KAKENHI-PROJECT-26820377
[Presentation] ホローカソードのプラズマ解析に向けたHybrid-PICコードの開発
- Author(s)
  窪田健一、大塩裕哉、渡邊裕樹、張科寅、大川恭志、船木一幸
- Organizer
  平成26年度宇宙輸送シンポジウム
- Place of Presentation
  宇宙科学研究所
- Year and Date
  2015-01-15 – 2015-01-16
- Data Source
  KAKENHI-PROJECT-26820377
[Presentation] 立方晶窒化ホウ素を用いた電界放出カソードの開発
- Author(s)
  坂井寿光,山本直嗣,大川恭志,堤井君元,船木一幸
- Organizer
  第58回宇宙科学技術連合講演会
- Place of Presentation
  長崎ブリックホール・長崎新聞文化ホール
- Year and Date
  2014-11-12 – 2014-11-14
- Data Source
  KAKENHI-PROJECT-26630444
[Presentation] Hybrid-PIC Simulation on Plasma Flow of Hollow Cathode
- Author(s)
  K. Kubota, Y. Oshio, H. Watanabe, S. Cho, Y. Ohkawa, I. Funaki
- Organizer
  34th International Electric Propulsion Conference
- Place of Presentation
  Kobe International Conference Center
- Year and Date
  2015-07-06 – 2015-07-10
- Data Source
  KAKENHI-PROJECT-26820377

1. Yamamoto Naoji (40380711)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
2. Kubota Kenichi (10723364)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
3. OSHIO Yuya (80711233)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
4. WATANABE Hiroki (30648390)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
5. CHO Shinatora (40710596)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
6. FUNAKI Ikkoh (50311171)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
7. 加藤宙光 (00415655)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
8. 田川雅人 (10216806)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
9. 森田太智

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

OHKAWA YASUSHI 大川 恭志

大川 恭志 オオカワ ヤスシ

Research Projects

Research Products

Co-Researchers

Feasibility Study on Electron Emission Device using Diamond Semiconductors for Space ApplicationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Investigation of cubic boron nitride field emission cathode

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study on High-Current Hollow Cathode for Next-Generation of Spacecrafts

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Charging Behavior of the H-II Transfer Vehicle by Active Electron Emission2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Ion Thruster Operation with Carbon Nanotube Field Emission Cathode2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Operation of a carbon nanotube field-emission cathode in low Earth orbit2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Field Emission Cathodes for an Electrodynamic Tether Experiment on the H-II Transfer Vehicle2018

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Hybrid-PIC Simulation on Plasma Flow of Hollow Cathode2016

Author(s)

Journal Title

NAID

Data Source

[Presentation] ダイヤモンド半導体の宇宙用電子放出源への適用可能性評価2019

Author(s)

Organizer

Data Source

[Presentation] 低地球軌道上におけるカーボンナノチューブ電子放出源の性能変化について2019

Author(s)

Organizer

Data Source

[Presentation] Research and Development Status of a Miniature Ion Engine2019

Author(s)

Organizer

Data Source

[Presentation] Results of Field-Emission Cathode Operation on the H-II Transfer Vehicle2018

Author(s)

Organizer

Data Source

[Presentation] Operation of a Carbon Nanotube Field-Emission Cathode in Low Earth Orbit2018

Author(s)

Organizer

Data Source

[Presentation] Structural characterization and emission properties of phosphorus-doped NCD films2018

Author(s)

Organizer

Data Source

[Presentation] カーボンナノチューブカソード研究開発の現状2017

Author(s)

Organizer

Data Source

[Presentation] A Quick Review of an Electrodynamic Tether Experiment on the H-II Transfer Vehicle2017

Author(s)

Organizer

OHKAWA YASUSHI 大川恭志

大川恭志オオカワヤスシ