Report Number: R16E0066 Responsible Representative: Yuichi Matsuo(Aeronautical Technology Directorate, Numerical Simulation Research Unit) Contact Information: Takuji Kurotaki(kurotaki@chofu.jaxa.jp) Members: Takuji Kurotaki, Takahiro Sumi Subject Category: Aviation(Aircraft engine) Abstract Atomization of fuel of aeronautical engines is focused in because of fuel consumption and environmental issues. Information from CFD results is very helpful for solutions of them. The research of numerical simulation of compressible muti fluid flow is conducted to apply for these problems. Goal The research of numerical simulation technique to analyze・・・<<read more>>
Report Number: R16E0065 Responsible Representative: Yuichi Matsuo(Aeronautical Technology Directorate, Numerical Simulation Research Unit) Contact Information: Shingo Matsuyama(smatsu@chofu.jaxa.jp) Members: Shingo Matsuyama Subject Category: Basic Research(CFD,other ) Abstract In this research, large scale direct numerical simulation of turbulent flow is performed on supercomputer to clarify the role of very small-scale turbulence in the mixing process of fuel and air. We try to clarify the role of fine-scale turbulence by analyzing the data obtained by simulations with varying the Reynolds number which is・・・<<read more>>
Report Number: R16E0064 Responsible Representative: Yuichi Matsuo(Aeronautical Technology Directorate, Numerical Simulation Research Unit) Contact Information: Atsushi Hashimoto(hashimoto.atsushi@jaxa.jp) Members: Atsushi Hashimoto Subject Category: Basic Research(CFD) Abstract We evaluate the hyperbolic equations for one and two dimensional advection-diffusion equations. Goal We improve the convergence of high Reynolds number flow by using the hyperbolic equations proposed recently. Objective We evaluate the hyperbolic equations for one and two dimensional advection-diffusion equations. References and Links N/A Use of the Supercomputer We develop a code of・・・<<read more>>
Report Number: R16E0063 Responsible Representative: Kazuyoshi Kawasaki(Deputy Director, Space Exploration Innovation Hub Center) Contact Information: Takeshi Hoshino(hoshino.takeshi@jaxa.jp) Members: Takeshi Hoshino, Mitsuo Yamamoto Subject Category: Space(Moon Planet) Abstract The sunshine period and the communication visibility, which are criteria for selecting the landing site, are obtained by simulation and analysis. We will reflect these results in the system level study of the lunar lander. Goal Selection of lunar landing site where maximum outcome can be expected from the viewpoint of engineering, scientific・・・<<read more>>
Report Number: R16E0062 Responsible Representative: Seiji Zenitani(National Astronomical Observatory of Japan, Division of Theoretical Astronomy) Contact Information: Seiji Zenitani(zenitani@rish.kyoto-u.ac.jp) Members: Seiji Zenitani, Iku Shinohara Subject Category: Space(Space science,Space philosophy) Abstract We conduct scientific 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 understand the basic mechanisms of plasma processes, in particular, magnetic reconnection, in space plasmas・・・<<read more>>
