JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23EER40100 Subject Category: Space Technology PDF Responsible Representative: Riko Oki, Earth Observation Research Center, Space Technology Directorate I Contact Information: Sota Hirayama(hirayama.sota@jaxa.jp) Members: Sota Hirayama, Naoyoshi Hirade, Koichi Imamura Abstract In the previous fiscal year, we conducted trial production in the Asian region, where ALOS-2/PALSAR-2 ScanSAR data are abundant, and were able to produce a high-resolution land-use and land-cover (HRLULC) map of the Asian region with a high overall accuracy・・・<<read more>>
JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23EER20200 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>>
JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23EEK20201 Subject Category: Space Technology PDF Responsible Representative: Space Transportation Technology Derectorate, Kagoshima Space Center, Range Technology Development Unit, Yoshinori Sunasaka Contact Information: Space Transportation Technology Derectorate, Kagoshima Space Center, Range Technology Development Unit, Yukari Sakano(sakano.yukari@jaxa.jp) Members: Yukari Sakano Abstract It is important to analyze the position and attitude of a rocket, immediately after the lift-off. This data is used for the evaluation of a rocket’s displacement caused by a・・・<<read more>>
JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23EEG60101 Subject Category: Research and Development PDF Responsible Representative: Koichi Okita, Director of Research Unit 4, Research and Development Directorate, Research Unit4 Contact Information: Mizuki Murakami(murakami.mizuki@jaxa.jp) Members: Fumihiro Itoo, Kosuke Kawakami, Rei Matsuoka, Yukinori Morita, Takuya Ogura, Minoru Yoshimoto Abstract Japan’s next generation mainstay launch vehicle which reuses the first stage is being studied in order to reduce the space transportation cost drastically. The aerodynamic characteristics in the reentry phase・・・<<read more>>
JAXA Supercomputer System Annual Report February 2023-January 2024 Report Number: R23EEG60100 Subject Category: Research and Development PDF Responsible Representative: Shuto Yatsuyanagi, Research and Development Directorate, Research Unit IV Contact Information: Shuto Yatsuyanagi(yatrsuyanagi.shuto@jaxa.jp) Members: Shuto Yatsuyanagi Abstract A laminar-turbulent transition at the surface of a re-entry vehicle is an important issue for the design of a Thermal Protection System (TPS). Since the heat transfer coefficient in the turbulent boundary layer is several times higher than that in the laminar boundary layer,・・・<<read more>>
