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bearing coolant flow analysis

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EDG20101 Subject Category: Research and Development PDF Responsible Representative: Hiromitsu Kakudo Contact Information: Hiromitsu Kakudo(kakudo.hiromitsu@jaxa.jp) Members: Hiromitsu Kakudo Abstract The numerical simulation of bearing coolant flow is conducted to build the modeling of bearing heat generation. Reference URL N/A Reasons and benefits of using JAXA Supercomputer System In this reseach, the supercomputer system is not utilized. Achievements of the Year (In this reseach, the supercomputer system is not utilized.) The・・・<<read more>>

Research on advanced rocket engines

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EDG20102 Subject Category: Research and Development PDF Responsible Representative: Toshiya Kimura, Specially appointed advisor, Research and Development Directorate, Research Unit IV Contact Information: Toshiya Kimura, Research and Development Directorate, Research Unit IV(kimura.toshiya@jaxa.jp) Members: Kosei Goto, Taku Inoue, Toshiya Kimura, Moriya Shin-ichi, Mitsuru Shimagaki Abstract The objective of our work is to accelerate ongoing projects such as RV-X and CALLISTO, which are R&D of small reusable rockets, and future researches on・・・<<read more>>

Study on understanding regolith scattering phenomena by thruster plume

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EEU30200 Subject Category: Space and Astronautical Science PDF Responsible Representative: Mitsuhisa Baba, Researcher, Japan Aerospace eXploration Agency, Research and Development Directorate, Rearch Unit II Contact Information: Mitsuhisa Baba(baba.mitsuhisa@jaxa.jp) Members: Mitsuhisa Baba Abstract As observed during the touchdown of Hayabusa2 and OSIRIS-REx, regolith is scattered by thruster operation during takeoff on low-gravity objects. Understanding the phenomenon is important first because it will affect mission and spacecraft design for future space science・・・<<read more>>

Wearable UAV (Research for new field development)

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EDA201S01 Subject Category: Aeronautical Technology PDF Responsible Representative: Toshiya Nakamura, Senior Chief Officer of Fundamental Aeronautics Research Contact Information: Daichi Wada(wada.daichi@jaxa.jp) Members: Daichi Wada Abstract For the mountain rescue and disaster relief, the rescue plan is built based on a limited source of information, which leads the less-effective operation and a risk of the secondary disaster. To solve this problem, personal flying system is developed, which carries a rescue team・・・<<read more>>

The study on improvement of DES method on low-speed buffet phenomenon

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EDA201N10 Subject Category: Aeronautical Technology PDF Responsible Representative: Keiichi Kitamura, Yokohama National University, Faculty of Engineering, Division of Systems Research Contact Information: Keiichi Kitamura(kitamura@ynu.ac.jp) Members: Yoshikatsu Furusawa, Atsushi Hashimoto, Daichi Ishido, Masashi Kanamori, Hirokazu Kurihara, Keiichi Kitamura, Tomohiro Mamashita, Shogo Motoki, Kaede Makino, Motoki Magara, Kouya Nakahara, Kazuki Nimura, Keita Suzuki, Fumiya Tsutsui, Yuta Tsukamoto, Yuya Yasumura Abstract A high-resolution, Delayed DES has been conducted around whole the aircraft under・・・<<read more>>