JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22EDA101P00 Subject Category: Aeronautical Technology PDF Responsible Representative: Tatsuya Ishii, Aviation Technology Directorate, Aviation Environmental Sustainability Innovation Hub Contact Information: Junichi Oki(oki.junichi@jaxa.jp) Members: Shunji Enomoto, Junichi Oki, Shimpei Suzuki, Daisuke Sasaki Abstract The trend in turbofan engines is towards higher bypass ratio and shorter nacelles. The eigne noise will increase due to smaller sound absorption area resulting from shorter nacelles. We aim to develop next-generation acoustic liner technologies that achieve・・・<<read more>>
JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22EDA101C11 Subject Category: Aeronautical Technology PDF Responsible Representative: Tatsuya Ishii, Aeronautical Technology Directorate, Aviation Environmental Sustainability Innovation Hub Contact Information: Noise and Vibration Reduction Technology team, Aviation Environmental Sustainability Innovation Hub, Aeronautical Technology Directorate(enomoto.shunji@jaxa.jp) Members: Taichi Fujimoto, Shunji Enomoto, Tatsuya Ishii Abstract Numerical analysis of a fluid interference generator, which generates high sound pressure that can affect the structure of the flow field, for the purpose of reducing the noise・・・<<read more>>