CFD analysis of dynamic face seal leakage

JAXA Supercomputer System Annual Report February 2023-January 2024

Report Number: R23EDG20101

Subject Category: Research and Development

PDF available here

Responsible Representative: Hiromitsu Kakudo, Researcher, Research and Development Directorate, Research Unit IV
Contact Information: Hiromitsu Kakudo(kakudo.hiromitsu@jaxa.jp)
Members: Hiromitsu Kakudo, Atoh Tazawa

Abstract

CFD analysis of dynamic face seal leakage was conducted.

Reference URL

N/A

Reasons and benefits of using JAXA Supercomputer System

In this reseach, the supercomputer system is not utilized.

Achievements of the Year

(In this reseach, the supercomputer system is not utilized.)

Comparing to experimental data, the mechanisms of dynamic effect in the seal have been clarified under cryogenic environments.

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: 12 Hour(s)

JSS3 Resources Used

Fraction of Usage in Total Resources*1(%): 0.03

Details

Please refer to System Configuration of JSS3 for the system configuration and major specifications of JSS3.

Computational Resources
System Name	CPU Resources Used (Core x Hours)	Fraction of Usage*2(%)
TOKI-SORA	0.00	0.00
TOKI-ST	0.00	0.00
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 Resources
File System Name	Storage Assigned (GiB)	Fraction of Usage*2(%)
/home	0.00	0.00
/data and /data2	0.00	0.00
/ssd	0.00	0.00

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.

ISV Software Licenses Used

ISV Software Licenses Resources
	ISV Software Licenses Used (Hours)	Fraction of Usage*2(%)
ISV Software Licenses (Total)	5074.41	2.29

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