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Experimental analysis of liquid vertical slosh damping at vacuum and atmospheric pressures
Experimental data are presented for a cantilevered vertically vibrating beam supporting a tank partially filled with liquid, inside a vacuum chamber where the air pressure can be reduced. Results are presented with and without the tank and contained liquid, as well as under two different gas pressures (atmospheric and vacuum). When the liquid is absent from the tank, aerodynamic damping and added mass effects are quantified. When the tank is partially filled with liquid, the damping versus tank amplitude curves indicate differences that are mainly due to aerodynamic effects, with more noticeable effects in the 50% fill case. The results support the observation that at the density ratios presented here, two-phase liquid/ gas modelling may not be needed for the evaluation of net damping due to violent sloshing flows.
Experimental analysis of liquid vertical slosh damping at vacuum and atmospheric pressures
Experimental data are presented for a cantilevered vertically vibrating beam supporting a tank partially filled with liquid, inside a vacuum chamber where the air pressure can be reduced. Results are presented with and without the tank and contained liquid, as well as under two different gas pressures (atmospheric and vacuum). When the liquid is absent from the tank, aerodynamic damping and added mass effects are quantified. When the tank is partially filled with liquid, the damping versus tank amplitude curves indicate differences that are mainly due to aerodynamic effects, with more noticeable effects in the 50% fill case. The results support the observation that at the density ratios presented here, two-phase liquid/ gas modelling may not be needed for the evaluation of net damping due to violent sloshing flows.
Experimental analysis of liquid vertical slosh damping at vacuum and atmospheric pressures
Constantin, Lucian (author) / Titurus, Brano (author) / Rendall, Thomas C.S. (author) / De Courcy, Joe J. (author) / Cooper, Jonathan E. (author)
2024-03-31
Constantin , L , Titurus , B , Rendall , T C S , De Courcy , J J & Cooper , J E 2024 , ' Experimental analysis of liquid vertical slosh damping at vacuum and atmospheric pressures ' , Journal of Sound and Vibration , vol. 574 , 118228 . https://doi.org/10.1016/j.jsv.2023.118228
Article (Journal)
Electronic Resource
English
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