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Study of the Effect of Boundary Layer Ingestion (BLI) on Aircraft Propulsion / Distributed Propulsion Technology with Superconducting Motors

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JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23EDA201P55 Subject Category: Aeronautical Technology PDF Responsible Representative: Atsushi Kanda, Aviation Technology Directorate, Aviation Safety Innovation Hub Contact Information: Keiichi Okai, Aeronautical Technology Directorate, Aviation Environmental Sustainability Innovation Hub(okai.keiichi@jaxa.jp) Members: Miyuki Aoki, Kakeru Ando, Tomoya Kogirima, Junichi Kazawa, Keiichi Okai Abstract In this study, we evaluate the unsteady aerodynamics of an aircraft propulsion fan under strongly distorted inflow conditions simulating an airframe/engine integration configuration with Boundary Layer Ingestion (BLI) benefits・・・<<read more>>

Advanced simulation of internal flow in rotating machinery

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JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23EDA201P11 Subject Category: Aeronautical Technology PDF Responsible Representative: Atsushi Kanda, Aviation Technology Directorate, Aviation Safety Innovation Hub Contact Information: Junichi Kazawa, Aviation Technology Directorate, Aviation Safety Innovation Hub(kazawa.junichi@jaxa.jp) Members: Kazuhisa Amemiya, Shunji Enomoto, Junichi Kazawa Abstract In order to improve the accuracy of predicting the aerodynamic performance of the rotating machine by numerical simulation, comparison with known data will be performed. Reference URL N/A Reasons and benefits of using JAXA・・・<<read more>>

Research and development of CFD-based flight simulator

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JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23EDA201N15 Subject Category: Aeronautical Technology PDF Responsible Representative: Kazuyuki Nakakita, Aeronautical Technology Direcrate, LC hub. Contact Information: Yoimi Kojima(kojima.yoimi@jaxa.jp) Members: Atsushi Hashimoto, Kenji Hayashi, Seigo Koga, Kazuyuki Nakakita, Yoimi Kojima Abstract In aircraft certification, fight-test risk-reduction and cost-reduction are issues. CbA (Certification by Analysis), which replaces flight tests with analysis, is being studied globally in order to promote safe and efficient certification. Therefore, we are constructing a CFD-based flight simulator・・・<<read more>>

Research on computational analysis methods for ice accretion

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JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23EDA201N14 Subject Category: Aeronautical Technology PDF Responsible Representative: Takashi Aoyama, Aviation program director, Aviation Technology Directorate Contact Information: ide yuki(ide.yuki@jaxa.jp) Members: Yuki Ide, Kei Shimura Abstract research and development of icing simulation tools for CbA Reference URL N/A Reasons and benefits of using JAXA Supercomputer System Due to broadband time and spatial scales of ice accretation, huge computational resources and acceleration of computation by JSS are needed. Achievements of the・・・<<read more>>

Development of 3D CFD core-software of automotive engine combustion chamber

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JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23EDA201N11 Subject Category: Aeronautical Technology PDF Responsible Representative: MizobuchiYasuhiro, Director, Aviation Technology Directrate, Aviation Lifecycle Innovation Hub Contact Information: Taisuke Nambu, Aviation Technology Directorate, Aircraft Lifecycle Innovation Hub(nambu.taisuke@jaxa.jp) Members: Hiroyuki Abe, Atsushi Fujino, Manabu Hisida, Takaaki Kishi, Ryohei Kirihara, Takuhito Kuwabara, Daiki Miyai, Yasuhiro Mizobuchi, Taisuke Nambu, Daichi Obinata, Kei Shimura, Shogo Yasuda, Hiroki Yao Abstract Enhancement of CAE utilization in automotive engine research by developing an engine combustion simulation・・・<<read more>>