Development of drag reduction technology for rotorcraft
JAXA Supercomputer System Annual Report February 2022-January 2023
Report Number: R22ECMP23
Subject Category: Competitive Funding
- Responsible Representative: Arizono Hitoshi, Aeronautical Technology Directorate, Aviation Environmental Sustainability Innovation Hub
- Contact Information: higo.ayumi@subaru.co.jp(higo.ayumi@subaru.co.jp)
- Members: Ayumi Higo, Tomofumi Iwamoto, Masafumi Sasaki, Hideaki Sugawara, Yasutada Tanabe
Abstract
30% of the total drag of rotorcrafts is main rotor hub and mast drag. The hub fairing and the mast cowling were installed on the compound helicopter concept model developed by JAXA, and hub drag reduction effect was verified.
Reference URL
N/A
Reasons and benefits of using JAXA Supercomputer System
A joint research by JAXA and SUBARU can be conducted efficiently by using JSS3. In addition, we use JSS3 to perform tasks that require a large computer memory.
Achievements of the Year
A wind tunnel test was conducted to verify the aerodynamic characteristics of the compound helicopter concept model developed by JAXA with the hub fairing and the mast cowling installed. We used JSS3 for the preliminary examination of the wind tunnel test.
The wind tunnel test was conducted on the specimens examined using JSS3, and hub drag reduction effect of the hub fairing and the mast cowling was confirmed.
Publications
N/A
Usage of JSS
Computational Information
- Process Parallelization Methods: N/A
- Thread Parallelization Methods: N/A
- Number of Processes: 1
- Elapsed Time per Case: 8 Hour(s)
JSS3 Resources Used
Fraction of Usage in Total Resources*1(%): 0.04
Details
Please refer to System Configuration of JSS3 for the system configuration and major specifications of JSS3.
System Name | CPU Resources Used(Core x Hours) | Fraction of Usage*2(%) |
---|---|---|
TOKI-SORA | 0.00 | 0.00 |
TOKI-ST | 294968.59 | 0.29 |
TOKI-GP | 0.00 | 0.00 |
TOKI-XM | 0.00 | 0.00 |
TOKI-LM | 0.00 | 0.00 |
TOKI-TST | 0.00 | 0.00 |
TOKI-TGP | 0.00 | 0.00 |
TOKI-TLM | 0.00 | 0.00 |
File System Name | Storage Assigned(GiB) | Fraction of Usage*2(%) |
---|---|---|
/home | 287.24 | 0.26 |
/data and /data2 | 17357.65 | 0.13 |
/ssd | 2937.61 | 0.41 |
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.
ISV Software Licenses Used
ISV Software Licenses Used(Hours) | Fraction of Usage*2(%) | |
---|---|---|
ISV Software Licenses(Total) | 0.00 | 0.00 |
*2: Fraction of Usage:Percentage of usage relative to each resource used in one year.
JAXA Supercomputer System Annual Report February 2022-January 2023