Transient response analysis of liquid slosh in a liquid-partially filled tank truck#br#

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Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (17) : 1-8.

WANG Qiongyao1,JIANG Kaihong2,RAKHEJA Subhash1,SHANGGUAN Wenbin1

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Abstract

A 3-D liquid slosh dynamic model was established for a liquid-partially filled tank truck in course of rotating or braking. The validity of this model was verified through comparing the calculating results obtained using this model with those obtained using tests and a quasi-static model. Both of them agreed well. The effects of geometry parameters including holes’size,shape and location of a wave cutter on load shifting and sloshing force when liquid sloshed transiently were studied. Forces acting on tank end face and individual wave cutter were evaluated under various geometry parameters of wave cutters. Large air pressure on wave cutters,tank end face and confined space between wave cutters was found under medium or high liquid-filling ratios. The results showed that geometry parameters of wave cutters have large effects on liquid load shifting,slosh forces and pitch moment; air pressure can reduce longitudinal liquid load shifting to suppress liquid slosh and improve the braking performance of the tank truck.

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tank truck / liquid slosh / wave cutter / air pressure

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WANG Qiongyao1,JIANG Kaihong2,RAKHEJA Subhash1,SHANGGUAN Wenbin1. Transient response analysis of liquid slosh in a liquid-partially filled tank truck#br#[J]. Journal of Vibration and Shock, 2018, 37(17): 1-8

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