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Migration in gravitationaly unstable protoplanetary discs

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JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20ECWU00 Subject Category: Cooperative Graduate School System PDF Responsible Representative: Elizabeth Tasker, Associate Professor in the Diviion of Solar System Science at ISAS / JAXA Contact Information: elizabeth.tasker@jaxa.jp(elizabeth.tasker@jaxa.jp) Members: Elizabeth Tasker, Ngan kim Nguyen Abstract A long standing problem in planet formation theory is how the orbits of young planets change due to the drag of the gas still surrounding young stars. This project explores how gravitatonal structures (e.g. spiral・・・<<read more>>

MEXT Program for Promoting Researches on the Supercomputer Fugaku, Leading research on innovative aircraft design technologies to replace flight test

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JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20ECMP30 Subject Category: Competitive Funding PDF Responsible Representative: Ryoji Takaki, Institute of Space and Astronautical Science Contact Information: Ryoji Takaki(ryo@isas.jaxa.jp) Members: Ryoji Takaki, Soshi Kawai, Yuichi Kuya, Hiroyuki Asada, Yoshiharu Tamaki, Hiroshi Koizumi, Masayuki Kakehi Abstract Realization of high-precision aerodynamic prediction by high-fedelity LES analysis around whole aircraft configulation for actual flight conditions. Reference URL Please refer to https://www.r-ccs.riken.jp/jp/fugaku/promoting-researches . Reasons and benefits of using JAXA Supercomputer System It is・・・<<read more>>

Fundamental Researches of Fluid and Combustion for the Hypersonic Flight

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JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20ECMP18 Subject Category: Competitive Funding PDF Responsible Representative: Kouichi Okita, Director, Research Unit IV, Research and Development Directorate Contact Information: Masahiro Takahashi(takahashi.masahiro@jaxa.jp) Members: Masahiro Takahashi, Masatoshi Kodera, Toshihiko Munakata, Masaaki Fukui, Masaharu Takahashi, Susumu Hasegawa, Sadatake Tomioka, Shun Takahashi, Taku Inoue, Kan Kobayashi, Gouji Yamada, Yusuke Mizuno, Rirai Yamashita Abstract The wind tunnel tests by using sub-scaled models play important roles for the development of the air-breathing propulsion system for・・・<<read more>>

Research on Aerodynamics of Multiple Rotors

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JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20ECMP17 Subject Category: Competitive Funding PDF Responsible Representative: Yasutada Tanabe, Senior Researcher, Aeronautical Technoloty Directorate, Aviation Systems Research Unit Contact Information: Yasutada Tanabe(tanabe.yasutada@jaxa.jp) Members: Yasutada Tanabe, Hideaki Sugawara, Riku Tanaka, Kuniyuki Takekawa, Keita Kimura Abstract This research is aiming to clarify the complex flow fields around the multiple-rotor type drones and eVTOLs (electrically driven Vertical.Take-Off and Landing aircraft) through high-fidelity CFD simulations. The noise from the multiple rotors, the multiple・・・<<read more>>

Study on Conceptual Design and Blade Shape Optimization of Mars Helicopter

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JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20ECMP14 Subject Category: Competitive Funding PDF Responsible Representative: Yoshikazu Makino, Aeronautical Technology Directorate, Aviation Systems Research Unit Contact Information: Masahiro Kanazaki, Tokyo Metropolitan University(kana@tmu.ac.jp) Members: Yasutada Tanabe, Masahiko Sugiura, Hideaki Sugawara, Keita Kimura, Kuniyuki Takekawa, Masahiro Kanazaki, Yuki Kishi, Daisuke Kikuchi Abstract The purpose of this study is to propose a concept of a Martian helicopter and to obtain an aerodynamically optimal rotor blade shape based on the conceptual design・・・<<read more>>