Research on Solid/Hybrid Rocket: Development of RANS Solver for of Swirling-Oxidizer-Flow-Type Hybrid Rocket using Flamelet Combustion Model
JAXA Supercomputer System Annual Report April 2018-March 2019
Report Number: R18EU0802
Subject Category: Space and Astronautical Science
- Responsible Representative: Toru Shimada, Institute of Space and Astronautical Science, Department of Space Flight Systems
- Contact Information: Toru Shimada(shimada.toru@jaxa.jp)
- Members: Toru Shimada, Mikiroh Motoe, Goutham Karthikeyan, Koki Kitagawa, Nobuhiro Kimura
Abstract
We conduct this research to develop internal combustion flow modeling of solid rockets and hybrid rockets, develop numerical calculation techniques, and facilitate understanding of related physical and chemical phenomena.
Reference URL
N/A
Reasons for using JSS2
To require a high-performance computer capable of handling fluid phenomena including three-dimensional and non-stationary complex physical and chemical processes
Achievements of the Year
A RANS analysis code for a swirling-oxidizer-flow-type hybrid rocket motor have been developed using the Flamelet combustion model. The analysis target is shown in Figure 1, the eddy viscosity coefficient and temperature distribution are shown in Figure 2, the mass fraction distribution of methane and oxygen is shown in Figure 3, and the mass fraction distribution of OH and carbon dioxide is shown in Figure 4.
Fig.1: Analysis object
Fig.2: Eddy viscosity and Temperature
Fig.3: Mass fraction of CH4 and O2
Fig.4: Mass fraction of OH and CO2
Publications
N/A
Usage of JSS2
Computational Information
- Process Parallelization Methods: MPI
- Thread Parallelization Methods: N/A
- Number of Processes: 688
- Elapsed Time per Case: 100 Hour(s)
Resources Used
Fraction of Usage in Total Resources*1(%): 0.20
Details
Please refer to System Configuration of JSS2 for the system configuration and major specifications of JSS2.
| System Name | Amount of Core Time(core x hours) | Fraction of Usage*2(%) |
|---|---|---|
| SORA-MA | 1,799,522.96 | 0.22 |
| SORA-PP | 7.82 | 0.00 |
| SORA-LM | 0.00 | 0.00 |
| SORA-TPP | 0.00 | 0.00 |
| File System Name | Storage Assigned(GiB) | Fraction of Usage*2(%) |
|---|---|---|
| /home | 1,106.47 | 1.14 |
| /data | 5,890.30 | 0.10 |
| /ltmp | 7,463.73 | 0.64 |
| Archiver Name | Storage Used(TiB) | Fraction of Usage*2(%) |
|---|---|---|
| J-SPACE | 6.38 | 0.22 |
*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 2018-March 2019