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Analysis Technology for Spacecraft Aerodynamic Characteristics

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JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23ETET44 Subject Category: Skills Acquisition System PDF Responsible Representative: Ryoji Takaki, Institute of Space and Astronautical Science, Department of Interdisciplinary Space Science Contact Information: Ryoji Takaki(takaki.ryoji@jaxa.jp) Members: Shusuke Honda, Yoshiki Nakaniida, Ryoji Takaki, Makoto Sato Abstract Research and development of aircraft exploration on Mars has been conducted globally, resulting in the proposal of various types of aircraft, such as Mars airplanes and Mars helicopters. Meanwhile, the recent rise of electric・・・<<read more>>

Innovative Green Aircraft Technology : High Efficiency and Low Noise Aircraft

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JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23ETET15 Subject Category: Skills Acquisition System 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: Nozomu Hayabe, Ryohei Higashitani, Yasushi Ito, Shinya Koganezawa, Dongyoun Kwak, Mitsuhiro Murayama, Takuto Masaki, Tatsuya Nishimoto, Kazuhiro Takeoka Abstract The purpose of the iGreen research is to develop and mature a bunch of advanced and innovative technologies on aerodynamics, aeroacoustics, and・・・<<read more>>

Numerical investigation of flow around intake and wing

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JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23ETET10 Subject Category: Skills Acquisition System PDF Responsible Representative: Atsushi Hashimoto, Aviation Technology Directorate, Lifecycle Innovation Hub Contact Information: Atsushi Hashimoto(hashimoto.atsushi@jaxa.jp) Members: Manami Fujii, Kohei Konishi, Keita Ogura, Kosuke Uchida Abstract The development of supersonic/hypersonic passenger airplanes has been accelerated in recent years to deal with the demand for faster intercontinental transport. Buzz is one of the most important problems in realizing air-breathing supersonic/hypersonic engines. This is the self-excited oscillation・・・<<read more>>

Basic research for system integration of silent supersonic airplane

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JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23ETET01 Subject Category: Skills Acquisition System PDF Responsible Representative: Yoshikazu Makino, Aviation Technology Directorate, Silence Supersonic Aircraft Team Contact Information: Hiroaki Ishikawa(ishikawa.hiroaki2@jaxa.jp) Members: Yosuke Hashimoto, Hiroaki Ishikawa, Ryo Kanazawa, Kaito Shimizu, Takao Tsuchiya, Taiga Ueno Abstract The system integration design technologies for achieving low sonic-boom, low aerodynamic drag, low landing and take-off noise, and light weight simultaneously are the key technologies for future supersonic airplanes. JAXA is promoting the R&D・・・<<read more>>

Numerical study on unsteady analysis fo compressible flow

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JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23ETET00 Subject Category: Skills Acquisition System PDF Responsible Representative: Kazuyuki Nakakita, Aviation Technology Directorate, Aircraft Lifecycle Innovation Hub Contact Information: Nobutaka Taniguchi(taniguchi-nobutaka@g.ecc.u-tokyo.ac.jp) Members: Nobutaka Taniguchi Abstract Stability analysis is a method to investigate the time-evolution of disturbance field applied to the flow field. In this study, we develop a numerical method suitable for the analysis of compressible flow considering the accurate track of nonlinear time-evolution of the disturbance field. To・・・<<read more>>