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Development of a shock-capturing magnetohydrodynamic code, 'OpenMHD'

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Report Number: R16E0040 Responsible Representative: Seiji Zenitani(National Astronomical Observatory of Japan, Division of Theoretical Astronomy) Contact Information: Seiji Zenitani(zenitani@rish.kyoto-u.ac.jp) Members: Tsugunobu Nagai, Seiji Zenitani Subject Category: Space(Space science,Space philosophy) Abstract We conduct scientifitc researches on basic processes in space plasma environments, by using numerical simulations. We also develop an open-source simulation code. Goal To conduct a scientific research on basic processes in space plasmas Objective To develop a magnetohydrodynamic (MHD) simulation code for space plasma research References and Links Please・・・<<read more>>

Numerical Study on Combustible Flow in supersonic Flight Engines and Rocket Engines

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Report Number: R16E0039 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 Fujimoto, Motaka Niibo, Moyuki Mutato, Seiichiro Eto, Keisuke Yoshida, Daiki Muto, Nobuyuki Tsuboi Subject Category: Space(Rocket engine,Space transportation) Abstract Reactive Fluid Dynamics Laboratory at Department of Mechanical and Control Engineering, Kyushu Institute of Technology has the following research keywords: (1)Numerical simulation(CFD) (2) Compressible andsupersonic/hypersonic flow (3)Combustion flow (4)Liquid rocket engine,・・・<<read more>>

Studies on real flight prediction

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Report Number: R16E0038 Responsible Representative: Takeshi Ito(Aeronautical Technology Directorate, Next Generation Aeronautical Innovation Hub Center) Contact Information: Kazuyuki Nakakita(nakakita@chofu.jaxa.jp) Members: Keiko Kawaguchi, Kazuyuki Nakakita, Kanako Yasue, Rie Tagai, Makoto Ueno, Seigo Koga, Mitsuhiro Murayama, Kentaro Tanaka, Tohru Hirai, Yasushi Ito, Keita Hatanaka, Kohji Suzuki, Takahiro Uchiyama, Hiroya Toriida Subject Category: Aviation(Aircraft) Abstract By applying the sophisticated data analysis techniques to unsteady CFD data, we develop a methodology to detecting the sign of unsteady aerodynamic phenomena including buffet. Goal Through a・・・<<read more>>

Conceptual Study of a High Speed Compound Helicopter for Innovative Air Transportation

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Report Number: R16E0037 Responsible Representative: Yoshikazu Makino(Next Generation Aeronautical Innovation Hub Center, Aeronautical Technology Directorate) Contact Information: Yasutada Tanabe(tan@chofu.jaxa.jp) Members: Masahiko Sugiura, Yasutada Tanabe, Hideaki Sugawara Subject Category: Aviation(Aircraft) Abstract In Fiscal Year 2016, aerodynamic data of a conceptual model that has been flight tested are obtained and used to validate the CFD tool rFlow3D developed for rotorcraft. The aerodynamic interactions between a main rotor and a wing are simulated. Reduction of the downloading on the wing by a trailing・・・<<read more>>

Collaborative work for aerodynamic optimization

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Report Number: R16E0036 Responsible Representative: Takeshi Ito(Aeronautical Technology Directorate, Next Generation Aeronautical Innovation Hub Center) Contact Information: Shigeru Kuchiishi(kuchi-ishi.shigeru@jaxa.jp) Members: Shigeru Kuchiishi, Minoru Yoshimoto, Shinsuke Nishimura, Kei Nakanishi, Yukinori Morita, Takuya Ogura, Kyohei Sawada Subject Category: Aviation(Aircraft) Abstract A Multi-Objective Evolutionary Algorithm (MOEA) is employed as an aerodynamic optimization method and the optimization tool is aimed to enable the direct evolutionary computing to perform within a practical computational time by FaSTAR. In the present project, basic programs are developed and・・・<<read more>>