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Innovative Green Aircraft Technology : High Efficiency and Low Noise Aircraft I

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EA0601 Subject Category: Aeronautical Technology PDF Responsible Representative: Tatsuya Ishii, Aeronautical Technology Directorate, Aviation Enviromental Sustanability Innovation Hub Contact Information: Dongyoun Kwak, Aviation Enviromental Sustanability Innovation Hub(kwak.dongyoun@jaxa.jp) Members: Mitsuhiro Murayama, Dongyoun Kwak, Naoko Tokugawa, Fumitake Kuroda, Yoshine Ueda, Keisuke Ohira, Tohru Hirai, Kentaro Tanaka, Monami Sasamori, Takahiro Ishida Abstract The purpose of the iGreen research is to develop and mature a bunch of advanced and innovative technologies on aerodynamics, aeroacoustics,・・・<<read more>>

Comparison of two-dimensional turbulent on a rotating sphere and a beta-plane by Lyapunov analysis

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EACA46 Subject Category: JSS Inter-University Research PDF Responsible Representative: Kiori Obuse, Associate Professor, Oakayama University Contact Information: Kiori Obuse(obuse@okayama-u.ac.jp) Members: Shoichiro Hara, Kiori Obuse Abstract When considering two-dimensional turbulence on a rotating sphere, there are, broadly speaking, a spherical model that treats the flow field on the sphere itself, and a beta-plane (approximation) model that considers the flow field on a tangent plane at a point on a rotating sphere.・・・<<read more>>

Hydrogen Application to Aircraft and Future Space Transportation System

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EA2121 Subject Category: Aeronautical Technology PDF Responsible Representative: Sadatake Tomioka, Leader, Hydrogen Aerospace Plane Team Contact Information: Hideyuki Taguchi(taguchi.hideyuki@jaxa.jp) Members: Manami Fujii, Mizuki Fukazawa, Motoyuki Hongoh, Yusuke Hoshiya, Daiki Ito, Yuki Kuwabara, Masafumi Momose, Koichi Omi, Junichi Oki, Takahiro Terao, Nozomi Takaki, Rintaro Tanaka, Hideyuki Taguchi, Kotaro Yamada, Kotaro Yoshihara, Kazutaka Yamada Abstract This research aims at the demonstration of the thrust control method of a hypersonic pre-cooled turbojet engine・・・<<read more>>

Study on Aerodynamic Characteristics and Flow Fields for Mars Exploration Airplane

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EACA18 Subject Category: JSS Inter-University Research PDF Responsible Representative: Seiichiro Morizawa, Lecturer, National Institute of Technology, Okinawa College Contact Information: Seiichiro Morizawa(morizawa@okinawa-ct.ac.jp) Members: Seiichiro Morizawa, Takashi Matsuno Abstract Recently, many kinds of research on unmanned aerial vehicles such as the Martian atmosphere and a high altitude one in the Earth’s stratosphere have been conducted actively. These environments become that the atmospheric density and temperature are much lower. Then, the flight・・・<<read more>>

Fundamental numerical analysis on propagation of detonation waves

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EACA45 Subject Category: JSS Inter-University Research PDF Responsible Representative: Toshiharu Mizukaki, Professor, Tokai University Contact Information: Toshiharu Mizukaki, Professor, Tokai University(mzkk@tsc.u-tokai.ac.jp) Members: Toshiharu Mizukaki, Faming Wang Abstract Detonation waves are sel- propagated waves assisted by shock waves. Utilizing the detonation waves would rialize high-efficiency propulsion system. The pourpose of this project is to establish numerical analysy method for detonation characteristics obtained by experiments. Reference URL Please refer to https://www.mzkklab.com/ .・・・<<read more>>