JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24EDA201G27 Subject Category: Aeronautical Technology PDF Responsible Representative: Kazuyuki Nakakita, Aviation Technology Department Contact Information: Andrea Sansica(sansica.andrea@jaxa.jp) Members: David Lusher, Kenji Hayashi, Tomoaki Matsuzaki, Yoimi Kojima, Andrea Sansica Abstract Using JAXA's FaSTAR-DDES tool, we verified stall predictions for the CRM-HL aircraft shape, taking into account the effects of the wind tunnel walls. As experimental data for comparison, we used wind test data for a simulated shape (CRM-HL with nacelle) from・・・<<read more>>
JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24EDA201G28 Subject Category: Aeronautical Technology PDF Responsible Representative: YASUE Kanako, Aviation Technology Directorate, Aviation Integration Innovation Hub Contact Information: IKEDA Tomoaki(ikedat@chofu.jaxa.jp) Members: Hirokazu Higashida, Kenji Hayashi, Tomoaki Ikeda, Masatoshi Kanayama, Yuki Kishi, Hideji Saiki, Kanako Yasue Abstract We aim at the development of aerodynamics and noise computation techniques for rotorcrafts by the unstructured-grid CFD code FaSTAR-Move that utilizes an overset moving grid approach. Extracting the unsteady CFD data obtained by・・・<<read more>>
JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24EDA201J02 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, Shingo Matsuyama, Taisuke Nambu Abstract Fluid simulation in the aerospace field targets flow fields with turbulence and chemical reactions around aircraft and spacecraft. Additionally, simulations of combustors for gas turbine and rocket engines often involve complex geometries. This study・・・<<read more>>
JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24EDA201J04 Subject Category: Aeronautical Technology PDF Responsible Representative: Kazuyuki Nakakita, Aviation Technology Directorate, Fundamental Aeronautics Research Unit Contact Information: Shingo Matsuyama(matsuyama.shingo@jaxa.jp) Members: Shingo Matsuyama, Ryotaro Murakami, Kasumi Nakura Abstract It is known that aerodynamic heating rate, real gas aerodynamic characteristics, and static and dynamic instabilities, which are important prerequisites for the design of atmospheric entry systems, change significantly with changes in capsule shape, but they also change with different representative・・・<<read more>>
JAXA Supercomputer System Annual Report February 2024-January 2025 Report Number: R24EDA201J05 Subject Category: Aeronautical Technology PDF Responsible Representative: Kazuyuki Nakakita, Aviation Technology Directorate, Fundamental Aeronautics Research Unit Contact Information: Shingo Matsuyama(matsuyama.shingo@jaxa.jp) Members: Kotaro Iguchi, Hideki Moriai, Shingo Matsuyama Abstract There is a strong need to incorporate LES that can reproduce combustion and turbulence phenomena with high fidelity into the design process in order to enhance the efficiency of the development of aerospace propulsion systems such as aero engines and rocket・・・<<read more>>
