Loading…
Fluid sloshing dynamic performance in a fuel storage tank under sinusoidal excitations
•The fluid sloshing hydrodynamics and thermal performance are numerically studied.•The sloshing force has an opposite direction to the moment and decreases with time.•The horizontal moment monitors almost have same values, but the vertical monitors have different values.•The middle pressure monitor...
Saved in:
Published in: | Applied thermal engineering 2020-03, Vol.168, p.114814, Article 114814 |
---|---|
Main Authors: | , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Summary: | •The fluid sloshing hydrodynamics and thermal performance are numerically studied.•The sloshing force has an opposite direction to the moment and decreases with time.•The horizontal moment monitors almost have same values, but the vertical monitors have different values.•The middle pressure monitor has a linear decrease profile, and two side monitors fluctuate along the middle monitor.•Fluid close to the tank wall has obvious elevation flucations.
Fluid sloshing can cause undesired effects on cryogenic fuel storage tanks. To reduce the safety risk, it is necessary to conduct in-depth investigations on fluid sloshing. In this paper, a numerical model is established to study the sloshing dynamic characteristic in a liquid oxygen tank under a sinusoidal excitation, including the sloshing force and moment, fluid pressure variation and dynamic response of free interface. Volume of fluid method is used to capture the interface fluctuation, coupled with the mesh motion treatment. Different from previous research, the external heat leak and the interfacial phase change are considered. The results show that the sloshing force decreases with time due to the damping effect. The sloshing moments of the horizontal monitors at the same level are approaching, while there are different values for monitors with different heights. Generally, the sloshing moment decreases with time. As fluid sloshing promotes the heat transfer from the vapor to liquid, the tank pressure presents a decrease profile. Due to the dynamic response of free interface, the fluid close to the tank wall has obvious elevation variations. Some preventive measures, including the anti-slosh baffle and the floated foam, should be adopted to reduce the harmful effects induced by fluid sloshing. |
---|---|
ISSN: | 1359-4311 1873-5606 |
DOI: | 10.1016/j.applthermaleng.2019.114814 |