本文へ移動

サイトナビゲーションへ移動

検索ボックスへ移動

サイドバーへ移動

ここは、本文エリアの先頭です。

Fundamental Researches of Fluid and Combustion for the Hypersonic Flight

[Added on] [Last modified on]

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

[Added on] [Last modified on]

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

[Added on] [Last modified on]

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>>

Aerodynamic optimal design of mars helicopter rotor blade planform

[Added on] [Last modified on]

JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20ECMP13 Subject Category: Competitive Funding PDF Responsible Representative: Keita Kimura, Aeronautial Technology Directorate, Aviation System Research Unit Contact Information: Keita Kimura(kimura.keita@jaxa.jp) Members: Yasutada Tanabe, Keita Kimura, Hideaki Sugawara, Kuniyuki Takekawa, Masahiko Sugiura Abstract Japan’s own mission to investigate the inside of a pit crater on the surface of Mars is being considered for around 2030, and a helicopter capable of hovering is expected to play an active role because it・・・<<read more>>

Investigation on the structure of rotating detonation wave

[Added on] [Last modified on]

JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20ECMP12 Subject Category: Competitive Funding PDF Responsible Representative: Shingo Matsuyama, Aeronautical Technology Directorate, Numerical Simulation Research Unit Contact Information: Shingo Matsuyama(smatsu@chofu.jaxa.jp) Members: Shingo Matsuyama Abstract In this study, combustion analysis by large eddy simulation (Large-Eddy Simulation, LES) was carried out in order to clarify propagation characteristics and detailed structure of rotating detonation wave. Two-dimensional and three-dimensional simulations were carried out for stable operating conditions in the combustion test of the・・・<<read more>>