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Large Scale N-body simulation of Planet Formation : Effect of Fragmentation of Planetesimals

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JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EACA27 Subject Category: JSS2 Inter-University Research PDF Responsible Representative: Junko Kominami, Tokyo Institute of Technology ELSI Contact Information: Junko Kominami, Tokyo Institute of Technology ELSI(kominami@mail.jmlab.jp) Members: Junko Kominami Abstract When planetesimals collide with each other, fragments should be formed. Since if such fragments are included in the N-body simulations, the number of N increases and the simulation becomes heavy. That is why such large scale simulations was not carried out・・・<<read more>>

Research on Airframe Noise Reduction Design in the FQUROH Project

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JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EA2801 Subject Category: Aeronautical Technology PDF Responsible Representative: Kazuomi Yamamoto, FQUROH Project Team, Aeronautical Technology Directorate Contact Information: Kazuomi Yamamoto(yamamoto.kazuomi@jaxa.jp) Members: Kazuomi Yamamoto, Yasushi Ito, Takehisa Takaishi, Mitsuhiro Murayama, Ryotaro Sakai, Tohru Hirai, Kentaro Tanaka, Kazuhisa Amemiya, Gen Nakano, Takashi Ishida Abstract This research is being carried out as part of the FQUROH project aimed at raising the technical maturity level of the noise reduction technology for high-lift devices and・・・<<read more>>

Cooperative Research on High Lift Devices in the FQUROH Project

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JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EA2810 Subject Category: Aeronautical Technology PDF Responsible Representative: Kazuomi Yamamoto, FQUROH Project Team, Aeronautical Technology Directorate Contact Information: Kazuomi Yamamoto(yamamoto.kazuomi@jaxa.jp) Members: Akio Ochi, Kazuhide Isotani, Yousuke Ueno, Hidemasa Yasuda, Yuta Tsuchimoto, Kazuomi Yamamoto, Yasushi Ito, Mitsuhiro Murayama, Ryotaro Sakai Abstract This collaborative research is being carried out as part of the FQUROH project aimed at raising the technical maturity level of the noise reduction technology for high-lift devices and landing・・・<<read more>>

aFJR light weight sound absorption liner technology development

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JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EA2180 Subject Category: Aeronautical Technology PDF Responsible Representative: Toshio Nishizawa, Aeronautical Technology Directorate, Propulsion Research Unit Contact Information: Shunji ENOMOTO(enomoto.shunji@jaxa.jp) Members: Shunji Enomoto, Tatsuya Ishii (JAXA), Hitoshi Morita, Hidemi Toh (Kanazawa Institute of Technology) Abstract In order to improve the environmental compatibility of jet engines, we are developing sound absorbing liner technology to reduce jet engine noise. By a simulation that sound waves are absorbed by the sound absorbing liner,・・・<<read more>>

Research and development for system integration of silent supersonic airplane technologies

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JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EA3800 Subject Category: Aeronautical Technology PDF Responsible Representative: Yoshikazu Makino, Aeronautical Technology Directorate, Aviation Systems Research Unit Contact Information: Yoshikazu Makino (makino.yoshikazu@jaxa.jp) Members: Junichi Akatsuka, Naoko Tokugawa, Hiroaki Ishikawa, Yoshine Ueda, Yoshikazu Makino, Dongyoun Kwak, Keisuke Ohira, Atsushi Ueno, Satoshi Kondo, Tatsunori Yuhara, Jun Matsumoto, Kana Yamagiwa, Miki Oosawa, Hajime Miki Abstract Currently, airplanes fly at about Mach 0.8, which is markedly slower than the speed of sound. From Japan,・・・<<read more>>