JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EA2405 Subject Category: Aeronautical Technology PDF Responsible Representative: Shigeru Hamamoto, Aeronautical Technology Directorate, Aerodynamics Research Unit Contact Information: Shigeru Kuchiishi(kuchi-ishi.shigeru@jaxa.jp) Members: Hiroyuki Kato, Shigeru Kuchiishi, Makoto Ueno, Atsushi Hashimoto, Kanako Yasue, Kohji Suzuki Abstract Through the operation of the JAXA Digital/Analog-Hybrid Wind Tunnel (DAHWIN), we aim to realize complementary use of Experimental Fluid Dynamics (EFD) and Computational Fluid Dynamics (CFD). Specifically, a series of DAHWIN functions (e.g. CFD before wind・・・<<read more>>
JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EA0716 Subject Category: Aeronautical Technology PDF Responsible Representative: Toshio Nishizawa, Aeronautical Technology Directorate, Propulsion Research Unit Contact Information: Shunji ENOMOTO(enomoto.shunji@jaxa.jp) Members: Shunji Enomoto, Kae Ito, Tatsuya Ishii Abstract Noise generated from a jet engine is dominant to total aircraft noise level and it is very important to reduce this. In this project, demonstration of exhaust noise reduction by changing exhaust duct shape, and study of noise reduction technique by numerical・・・<<read more>>
JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EG3500 Subject Category: Research and Development PDF Responsible Representative: Daiki Terakado, Researcher, Research and Development Directorate, Research Unit IV Contact Information: Daiki Terakado, Research and Development Directorate, Research Unit IV(terakado.daiki@jaxa.jp) Members: Daiki Terakado, Kazuhiro Higashi, Koichi Okita Abstract The present RCS of hydrazine used for controling rockets has a weak point on its toxicity. The present project focuses on the non-toxic property of methane and develops safer RCS system for・・・<<read more>>
JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EDA201N07 Subject Category: Aeronautical Technology PDF Responsible Representative: Takashi Aoyama, Aeronautical Technology Directorate, Numerical Simulation Research Unit Contact Information: Shigeru Kuchiishi(shigeruk@chofu.jaxa.jp) Members: Shigeru Kuchiishi, Kohji Suzuki , Kanako Yasue, Shinya Watanabe Abstract Unsteady CFD analysis will be performed in order to detect the starting point of buffet phnomena utilizing data mining techniques. Reference URL N/A Reasons for using JSS2 A large-scale parallel computer such as JSS2 is indispensable for large-scale・・・<<read more>>
JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EDA201N04 Subject Category: Aeronautical Technology PDF Responsible Representative: Takashi Aoyama, Aeronautical Technology Directorate, Numerical Simulation Research Unit Contact Information: Aeronautical Technology Directorate, Numerical Simulation Research Unit(ohmichi.yuya@jaxa.jp) Members: Yuya Ohmichi, Keita Nakamoto Abstract Knowledge extraction techniques for large data sets are important because the computers and numerical simulation techniques have been highly developed and they produced massive datasets. In this study, we have been developing knowledge extraction tools which extract patterns・・・<<read more>>
