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Study on Aerodynamics of Space Plane

JAXA Supercomputer System Annual Report April 2017-March 2018

Report Number: R17ETET24

Subject Category: Skills Acquisition System

PDF available here

  • Responsible Representative: Yusuke Maru, Department of Space Flight Systems, Institute of Space and Astronautical Science
  • Contact Information: Yusuke Maru maru.yusuke@jaxa.jp
  • Members: Mafuyu Imai, Tomoya Mukai

Abstract

Conducting aerodynamic design and evaluation of aerodynamic characteristics on space plane carrying amor breathing engines with CFD simulations.

Reference URL

N/A

Reasons for using JSS2

Simulation environment is arranged well. And also, CFD software is substantial.

Achievements of the Year

CFD simulations have been carried out using "Fluent".

In order to confirm the validity of CFD, CFD simulation was performed on the shape of which wind tunnel experiment was performed and the results were compared. A consistent result was obtained for lift and drag. (fig.1)

We are considering to apply the concept of wave rider to the aerodynamic shape of space planes. In wave rider, we considered improvement of performance at non-design Mach number by changing aerodynamic shape, and evaluated its effect and characteristics by CFD. By bending the tip of the wing to approach the shock wave surface, we considered to improve the performance below the design Mach number, however the performance did not change very much. While, it showed that the performance can be improved at above design Mach number by contracting the wings. (fig.2)

Annual Reoprt Figures for 2017

Fig.1: Comparison in lift and drag coefficients between experiment and CFD

 

Annual Reoprt Figures for 2017

Fig.2: effect of aerodynamic shape deformation on lift-drag ratio

 

Annual Reoprt Figures for 2017

Fig.3: relationship between shock wave surface and wing tip

 

Publications

■ Presentation

1) Mafuyu Imai, Hiroyasu Manako, Yusuke Maru, Shujiro Sawai, "Study on improvement of off-design performance of wave riders by aerodynamic shape deformation", 61st UKAREN, 2J14, Niigata, 2017/10

2) Mafuyu Imai, Hiroyasu Manako, Yusuke Maru, Shujiro Sawai, "Study on off-design aerodynamic performance of wave riders", Symposium on dynamics for space flight 2017, Sagamihara, 2017/12

■ Others

1) Mafuyu Imai, Study on aerodynamic performance of space planes, Master's thesis, Teikyo University, 2018

Usage of JSS2

Computational Information

  • Process Parallelization Methods: N/A
  • Thread Parallelization Methods: N/A
  • Number of Processes: 1
  • Elapsed Time per Case: 10.00 hours

Resources Used

 

Fraction of Usage in Total Resources*1(%): 0.00

 

Details

Please refer to System Configuration of JSS2 for the system configuration and major specifications of JSS2.

Computational Resources
System Name Amount of Core Time
(core x hours)
Fraction of Usage*2(%)
SORA-MA 0.00 0.00
SORA-PP 0.00 0.00
SORA-LM 0.00 0.00
SORA-TPP 0.00 0.00

 

File System Resources
File System Name Storage Assigned
(GiB)
Fraction of Usage*2(%)
/home 019.07 0.01
/data 190.73 0.00
/ltmp 3,906.25 0.29

 

Archiver Resources
Archiver Name Storage Used
(TiB)
Fraction of Usage*2(%)
J-SPACE 0.00 0.00

*1: Fraction of Usage in Total Resources: Weighted average of three resource types (Computing, File System, and Archiver).

*2: Fraction of Usage:Percentage of usage relative to each resource used in one year.

JAXA Supercomputer System Annual Report April 2017-March 2018


ここは、サイドバー・エリアの先頭です。

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Language / 言語

"Annual Report" available

How to use JSS3

To use JSS3, please refer to "How to use JSS3" page .

Location

Chofu Aerospace Center
7-44-1 Jindaiji Higashi-machi, Chofu-shi, Tokyo