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Global Terrestrial Hydrological Simulation System "Today's Earth"

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JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24EER20200 Subject Category: Space Technology PDF Responsible Representative: Kosuke Yamamoto, Space Technology Directorate I, Earth Observation Research Center Contact Information: Today's Earth Research and Development Group(Z-watercnt@ml.jaxa.jp) Members: Takafusa Andoh, Tomohiko Higashiuwatoko, Misako Kachi, Takuji Kubota, Ryosuke Kakuda, Yukihiko Onuma, Kazuhiro Sakamoto, Kei Yoshimura, Haruya Yoshikawa, Kosuke Yamamoto Abstract Today's Earth is the global terrestrial hydrological simulation system to estimate various hydrological variables relating to the conditions of land surface and・・・<<read more>>

Physics understanding and modeling based on high-fidelity numerical analysis

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JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24EDA201J01 Subject Category: Aeronautical Technology PDF Responsible Representative: Abe Hiroyuki, Aviation Technology Directrate, Fundamental Aeronautics Research Unit Contact Information: Taisuke Nambu, Aviation Technology Directorate, Fundamental Aeronautics Research Unit(nambu.taisuke@jaxa.jp) Members: Hiroyuki Abe, Manabu Hisida, Ryohei Kirihara, Takuhito Kuwabara, Shingo Matsuyama, Taisuke Nambu, Kei Shimura, Hiroki Yao Abstract The aim is to model key phenomena of turbulence, fuel atomization, and combustion based on a deep understanding of physics through detailed, high-fidelity simulations,・・・<<read more>>

Robust design for Jet Engine/Analyses of Unsteady phenomena

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JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24EDA201C51 Subject Category: Aeronautical Technology PDF Responsible Representative: Atsushi Kanda, Aviation Technology Directorate, Aviation Environmental Sustainability Innovation Hub Contact Information: Junichi Kazawa, Aeronautical Technology Directorate, Aviation Environmental Sustainability Innovation Hub(kazawa.junichi@jaxa.jp) Members: Takafumi Kanayama, Kenshi Yamashita Abstract Clarify the mechanism of unsteady flow phenomena that occusr in compressor blade rows. Reference URL N/A Reasons and benefits of using JAXA Supercomputer System The unsteady analyses of multi-stage annular compressor will be very・・・<<read more>>

Research and Development of Emission Free Aircraft Technologies

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JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24EDA102H01 Subject Category: Aeronautical Technology PDF Responsible Representative: Akira Nishizawa, Aeronautical Technology Directorate Contact Information: Yuzuru Yokokawa(yokokawa.yuzuru@jaxa.jp) Members: Keisuke Sugaya, Kanako Yasue, Hiroshi Kobayashi, Takayuki Sakurai, Hiroto Sato, Hirotaka Tsutsui, Yuki Kishi, Yuzuru Yokokawa Abstract With the ultimate goal of achieving emission-free (zero emissions) aircraft, research and development of electric hybrid propulsion system is conducted, which includes the WAT(Wake Adaptive Thruster) fans at the end of fuselage, and new configuration・・・<<read more>>

Research on Airframe Noise Reduction Design (FQUROH-2)

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JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24EDA101R21 Subject Category: Aeronautical Technology PDF Responsible Representative: Takeshi Ito, Program Director of Aviation Technology, Aviation Technology Directorate Contact Information: Takehisa Takaishi, FQUROH-2 Project Team (Airframe Noise Reduction Technology Project Team), Aviation Technology Directorate(takaishi.takehisa@jaxa.jp) Members: Takehisa Takaishi, Mitsuhiro Murayama, Yasushi Ito, Takashi Ishida, Yoimi Kojima, Kazuomi Yamamoto, Kentaro Tanaka, Tohru Hirai, Gen Nakano Abstract Major airports are considering increasing the number of takeoffs and landings to meet the projected demand・・・<<read more>>