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ARTICLE
CFD-predicted rotordynamic characteristics of a high temperature sodium liquid seal
1
School of Mechanical and Powder Engineering, Harbin University of Science and Technology, Harbin, China
2
Chongqing Pump Industry, Chongqing, China
3
Harbin Engineering University, Harbin, China
4
Harbin Institute of Technology, Harbin, China
Submission date: 2022-03-18
Final revision date: 2022-05-05
Acceptance date: 2022-05-08
Online publication date: 2022-06-10
Publication date: 2022-07-30
Corresponding author
Pingwei Chen
School of Mechanical and Powder Engineering, Harbin University of Science and Technology, 150080, Harbin, China
School of Mechanical and Powder Engineering, Harbin University of Science and Technology, 150080, Harbin, China
Journal of Theoretical and Applied Mechanics 2022;60(3):347-360
KEYWORDS
TOPICS
ABSTRACT
Rotordynamic characteristics of a high temperature sodium liquid (HTSL) seal were studied
in this paper by using CFD software. Compared with the water liquid seal, the HTSL seal
has a larger leakage flow rate and a lower drag power loss. The HTSL seal has a larger
direct stiffness coefficient and the effective stiffness coefficient Keff is also larger than the
water liquid seal, which means the HTSL seal has a better stiffness capacity. The HTSL seal
possesses a positive effective damping coefficient Ceff in the whole whirling frequency range,
which means better stability for the rotor system especially in high rotor speeds.
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| eISSN: | 2543-6309 |
| ISSN: | 1429-2955 |
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