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Numerical analysis for turbo pumps

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19EK2305 Subject Category: Space Technology PDF Responsible Representative: Masashi Okada, Project manager, H3 Project Team Contact Information: Satoshi Ukai(ukai.satoshi@jaxa.jp) Members: Hideyo Negishi, Satoshi Ukai, Mizuho Aotsuka Abstract Design evaluation using numerical simulation is carried out for technical issues of the LE-9 engine turbo pump. Reference URL N/A Reasons and benefits of using JAXA Supercomputer System In order to carry out large-scale numerical analysis of multiple cases in a short period・・・<<read more>>

Numerical Simulations for H3 Rocket Development

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19EK2302 Subject Category: Space Technology PDF Responsible Representative: Masashi Okada, Space Technology Directorate I, H3 Project Team Contact Information: Hideyo Negishi(negishi.hideyo@jaxa.jp) Members: Kuniyuki Takekawa, Seiji Tsutsumi, Masashi Kanamori, Masaaki Ino, Hironori Fujiwara, Masaharu Abe, Hiroyuki Ito, Shinji Ohno, Takenori Nakajima, Hideyo Negishi, Yu Daimon, Takanori Haga, Taro Shimizu, Junya Aono, Tetsufumi Ohmaru, Taroh Fukuda, Masashi Toyama, Osamu Fukasawa, Kohki Tao Abstract Please refer to the following URL: http://global.jaxa.jp/projects/rockets/h3/ Reference URL・・・<<read more>>

Development and maintenance of S&MA platform “Quality Engineering Tool”

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19EH2900 Subject Category: Common Business PDF Responsible Representative: Yuji Kado, Associate Senior Engineer, Safety and Mission Assurance Department Contact Information: Kado, Yuji, JAXA Safety and Mission Assurance Department(kado.yuji@jaxa.jp) Members: Yuji Kado, Hiroshi Yanaka, Takafumi Nakagawa Abstract Using the quality engineering tool developed by JAXA, we evaluate the suitability for nonlinear simulation. In this study, we use wallstat, a wooden building seismic simulator owned by Kyoto University, to calculate the valid・・・<<read more>>

Liquid-Propellant Propulsion System Simulation

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19EG3215 Subject Category: Research and Development PDF Responsible Representative: Eiji Sima, Research and Development Directorate, Research Unit III Contact Information: Hiedyo Negishi(negishi.hideyo@jaxa.jp) Members: Ryutaro Furuya, Tetsuji Ogawa, Takayuki Ito, Hideyo Negishi, Yoichi Ohnishi, Miki Nishimoto, Yu Daimon, Ashvin Hosangadi, Takeru Fukuchi, Masaaki Ino, Osamu Fukasawa, Shinji Ohno, Andrea Zambon, Takenori Nakajima, Takashi Amemiya, Yutaka Umemura, Hironori Fujiwara, Hiroumi Tani, Keiichiro Fujimoto, Tetsufumi Ohmaru, Taroh Fukuda, Masashi Toyama, Akimitsu Terunuma, Rika・・・<<read more>>

Numerical Simulation of Rocket Turbopumps

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19EG3214 Subject Category: Research and Development PDF Responsible Representative: Eiji Shima, Research and Development Directorate, Research Unit III Contact Information: Hideyo Negishi(negishi.hideyo@jaxa.jp) Members: Hideyo Negishi, Shinji Ohno, Taro Fukuda、Andrea Zambon, Ashvin Hosangadi Abstract Turbopumps are still one of key components in liquid rocket engine development in terms of cost, time, and risks. Furthermore, a turbopump itself is a complex system consisting of sub-components such as pump, turbine, bearing, balance piston,・・・<<read more>>