Abstract
A directional response for a partially filled tank with agro-food liquids incorporates the motion of the free surface due to roll and longitudinal accelerations into the dynamic tank model. This paper presents an analysis of efficaciousness of different designs of baffles for two different tank, to limit the impact of the response given by the liquid on the tank walls. In this paper modelling of the behaviour of the cross-section circular and ellipsoidal tank with baffles, partially filled with liquids agro-food, was developed, which performs a braking-in-a-turn manoeuver. Two different tank truck models have been used to simulate the sloshing effect of agro-food liquid cargo. Is also studied the two geometric models of the tank was done by using SolidWorks and simulating the behaviour of the tank ANSYS-CFX. In this study, there were simulated and modeled two models of tank-type “X”, respectively type “Y” used for the storage and transport of liquid agro-food products, namely water, for different speeds (v = 14m / s and v = 20m / s) and two filling levels of the tank trucks (40% and 80%). The results obtained were compared the behaviour of the tank partially filled into a braking-in-a-turn manoeuver, in which the total values of the deformations that appear as a result of the impact due to the movement of the liquid inside the tank trucks.
Highlights
As vehicles can move with partially filled tanks, there will inevitably be an interaction between vehicle movements and fluid, which are not always perceived by the driver
This study present an analise of the baffles design for limiting the impact regarding the steering control for a partial tank filled with agro-food liquid, more exactly of different designs of baffles for two different design tank model used to transport agro-food liquid cargo
In conclusion this paper presents an analysis of efficaciousness of different designs of baffles for two different design tank models, in order to limit the impact of the response given by the liquid on the tank walls
Summary
As vehicles can move with partially filled tanks, there will inevitably be an interaction between vehicle movements and fluid, which are not always perceived by the driver. When the fluid interacts with the wall, the energy exchange takes place between the two liquid-solid structures, so that the fluid can exhibit different types of movements (longitudinal, transverse, chaotic) depending on the external excitation [1]. The movement of the fluid oscillation depends on the geometry of the tank, the filling conditions and the frequency range inside, that is, the quiet time of the fluid after the sloshing effect occurs Budiansky (1960). Stability is one of the most important purposes for the design of tank vehicles that transport and storage liquid agrofood products. [2, 3]
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