Abstract

Fluid sloshing usually results in some unpredictable effects, including additional sloshing force and moment, and thermodynamic imbalances. It is necessary to conduct in-depth investigations on fluid sloshing to ensure the safe storage of cryogenic propellants. From our own perspectives, the thermal physical performance during sloshing in cryogenic storage tanks is often ignored and few reported. In this study, a numerical model is built to study the coupling thermal physical and fluid sloshing process with the volume of fluid method adopted. Both the external heat invasion and interfacial phase change are considered to predict the thermal performance during fluid sloshing. With the sloshing excitation realized by the user-defined function, the effect of the excitation type on fluid sloshing, has been studied. The results show the sloshing excitations have great influences on the thermal physical process in cryogenic storage tanks. With some valuable conclusions achieved, the present study is significant to depth understanding fluid sloshing thermal behavior.

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