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Basic research for system integration of silent supersonic airplane

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JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24ETET01 Subject Category: Skills Acquisition System PDF Responsible Representative: Yoshikazu Makino, Aviation Technology Directorate, Re-BooT project Team Contact Information: Hiroaki Ishikawa(ishikawa.hiroaki2@jaxa.jp) Members: Yosuke Hashimoto, Hiroaki Ishikawa, Ryo Kanazawa, Ren Nimura, Kaito Shimizu, Kento Sakuma, 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・・・<<read more>>

Numerical Simulation of Multirotor

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JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24ETET45 Subject Category: Skills Acquisition System PDF Responsible Representative: Kanako Yasue, Aviation Technology Division Aviation Utilization Expansion Innovation Hub Contact Information: Hideaki Sugawara(sugawara.hideaki@jaxa.jp) Members: Hideaki Sugawara, Kosuke Saito, Shunsuke Takeuchi, Yasutada Tanabe Abstract Multirotor aircraft, such as drones and electric vertical take-off and landing (eVTOL) aircraft, generate complex flow fields due to interactions among multiple rotors. These flow fields interferes with various components of the aircraft, affecting aerodynamic performance and・・・<<read more>>

Analysis of aerodynamic interference between rotor and propeller

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JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24ETET02 Subject Category: Skills Acquisition System PDF Responsible Representative: Kanako Yasue, Aviation Technology Directorate, Aviation Integration Innovation Hub Contact Information: Takeshi Akasaka, Kanazawa Institute of Technology(akasaka@neptune.kanazawa-it.ac.jp) Members: Wataru Morita, Hideaki Sugawara, Takeshi Akasaka Abstract In Japan, the realization of electric vertical take-off and landing (eVTOL) aircraft are being researched and developed. The interaction between the rotor wake and the propulsion propeller creates a complex flow field that can affect both・・・<<read more>>

Numerical investigation of the supersonic intake and wings

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JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24ETET10 Subject Category: Skills Acquisition System PDF Responsible Representative: Atsushi Hashimoto, Aviation Technology Directorate, Aircraft DX Technology Demonstration (XANADU) Project Team Contact Information: Manami Fujii(m-fujii@moegi.waseda.jp) Members: Manami Fujii, Kohei Konishi, Keita Ogura, Kosuke Uchida Abstract Development of supersonic/hypersonic passenger airplanes has been accelerated in recent years to deal with the demand for faster intercontinental transports due to the acceleration of global business development. A buzz is one of the most・・・<<read more>>

Innovative Green Aircraft Technology : High Efficiency and Low Noise Aircraft

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JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24ETET15 Subject Category: Skills Acquisition System PDF Responsible Representative: Atsusi Kanda, Aeronautical Technology Directorate, Aviation Enviromental Sustanability Innovation Hub Contact Information: Dongyoun Kwak, Aviation Enviromental Sustanability Innovation Hub(kwak.dongyoun@jaxa.jp) Members: Emilie Ramesh, Nozomu Hayabe, Yasushi Ito, Shinya Koganezawa, Dongyoun Kwak, Mitsuhiro Murayama, Takuto Masaki, 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 structures to・・・<<read more>>