JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21ER0201 Subject Category: Space Technology PDF Responsible Representative: Riko Oki, Director, Space technology Directorate I, Earth Observation Research Center Contact Information: Space technology Directorate I, Earth Observation Research Center, Takuji Kubota(kubota.takuji@jaxa.jp) Members: Koji Terasaki, Yingwen Chen, Kaya Kanemaru, Shunji Kotsuki, Hisashi Yashiro Abstract This study explores an effective use of satellite data including GSMaP and GPM/DPR through an advanced ensemble data assimilation method for improving numerical weather prediction (NWP) and・・・<<read more>>
JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21ETET51 Subject Category: Skills Acquisition System PDF Responsible Representative: AOYAMA Takashi, Director, Aviation Technology Directrate, Aircraft Lifecycle Innovation Hub Contact Information: Yukari Sakano(y.sakano@akane.waseda.jp) Members: Yukari Sakano Abstract This research aims to construct the numerical calculation model for analyzing crossflow atomization, which is often used in main burners of aerospace engines, with high accuracy and low calculation costs. Although only spherical droplets are replaced to Lagrange particles to decrease calculation costs・・・<<read more>>
JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EACA52 Subject Category: JSS Inter-University Research PDF Responsible Representative: Shinichiro Ogawa, Assistant professor, Aerospace Engineering, Osaka Prefecture University Contact Information: Shinichiro Ogawa(ogawa@aero.osakafu-u.ac.jp) Members: Shinichiro Ogawa, Daisuke Sasaki Abstract In this study, we have the following research objective at the solid rocket motor (SRM) and scramjet engine under study. For the SRM, we clarify the generation mechanism of the pressure oscillation in the SRM. For the scramjet engine, we clarify the・・・<<read more>>
JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EACA43 Subject Category: JSS Inter-University Research PDF Responsible Representative: Keiichi Kitamura, Associate professor, Yokohama National University Contact Information: Yoshikatsu Furusawa(furusawa-yoshikatsu-vz@ynu.jp) Members: Yoshikatsu Furusawa, Keiichi Kitamura Abstract As a new form of a Mars exploration vehicle, research and development of a Mars airplane are progressing. Since the Martian atmosphere is low density and the Mars airplane flies in the low Reynolds number region, the flow field around the Mars airplane differs・・・<<read more>>
JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EACA21 Subject Category: JSS Inter-University Research PDF Responsible Representative: Keiichi Kitamura, Associate Professor, Yokohama National University Contact Information: Hirokazu Kuirhara (Yokohama National University)(kurihara-hirokazu-nw@ynu.jp) Members: Hirokazu Kurihara, Keiichi Kitamura, Shogo Motoki Abstract In the case of the nose-entry system on vertical-takeoff-and-landing type reusable rockets, this rocket needs a turnover maneuver by using its pitching moment, during return flight. In this study, the effects of three types of slender body with different・・・<<read more>>
