JAXA Supercomputer System Annual Report April 2017-March 2018 Report Number: R17EA3800 Subject Category: Aeronautical Technology PDF Responsible Representative: Yoshikazu Makino, Aeronautical Technology Directorate, Next Generation Aeronautical Innovation Hub Center Contact Information: Yoshikazu Makino makino.yoshikazu@jaxa.jp Members: Junichi Akatsuka, Naoko Tokugawa, Hiroaki Ishikawa, Yoshine Ueda, Dongyoun Kwak, Keisuke Ohira, Atsushi Ueno, Satoshi Kondo, Tatsunori Yuhara Abstract Currently, airplanes fly at about Mach 0.8, which is markedly slower than the speed of sound. From Japan, which is distant from Europe and the United・・・<<read more>>
JAXA Supercomputer System Annual Report April 2017-March 2018 Report Number: R17EA1403 Subject Category: Aeronautical Technology PDF Responsible Representative: Shigeru Hamamoto, Aeronautical Technology Directorate, Aerodynamics Resuearch Unit Contact Information: Hajime Miki miki.hajime@jaxa.jp Members: Hajime Miki, Yoshiki Takama, Keisuke Fujii Abstract A capsule lacks its attitude control ability during a reentry flight. The purpose of this study is to utilize RCS interaction force for reinforcing the ability by changing the external shape locally. Reference URL N/A Reasons for using JSS2 The use・・・<<read more>>
JAXA Supercomputer System Annual Report April 2017-March 2018 Report Number: R17EACA01 Subject Category: JSS2 Inter-University Research PDF Responsible Representative: Nobuyuki Tsuboi, Department of Mechanical and Control Engineering, Kyushu Institute of Technology Contact Information: Nobuyuki Tsuboi tsuboi@mech.kyutech.ac.jp Members: Satoshi Koduka, Maiko Iwai, Toshihiro Iwasa, Takahide Araki, Keisuke Yoshida, Nobuyuki Tsuboi, Yoshiki Nishikawa, Tomoki Uzaki, Ryuji Takahashi, Ayu Agou, Kouhei Ozawa, Hichamnicolas Jourdaine Abstract Fundamental studies on nozzles and combustors for Japanese rocket engines and supersonic engines are performed by using numerical・・・<<read more>>
JAXA Supercomputer System Annual Report April 2017-March 2018 Report Number: R17EACA34 Subject Category: JSS2 Inter-University Research PDF Responsible Representative: Ryo Nagata, High Energy Accelerator Research Organization (KEK) Contact Information: Ryo Nagata rnagata@post.kek.jp Members: Ryo Nagata Abstract Primordial gravitational wave background is generically predicted by cosmic inflation theories. Its amplitude indicates the energy scale of cosmic inflation. LiteBIRD maps the polarization of microwave background sky to detect the signal of the gravitational waves. Since the signal of gravitational wave origin (B-mode・・・<<read more>>
JAXA Supercomputer System Annual Report April 2017-March 2018 Report Number: R17EACA14 Subject Category: JSS2 Inter-University Research PDF Responsible Representative: Ko-ichiro Sugiyama, National Institute of Technology, Matsue College Contact Information: Ko-ichiro Sugiyama sugiyama@gfd-dennou.org Members: Ko-ichiro Sugiyama, Hiroki Ando Abstract Our purpose is to support the observation performed by AKATSUKI (Venus Climate Orbiter) by developing a numerical fluid dynamics model (cloud resolving model) and providing a lot of numerical simulation data. The motion of Venus' cloud-level convection and the propagation of gravity・・・<<read more>>
