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Abstract
It is desirable that fuel is continuously supplied to the gasoline tank intake, even when we have got on vehicle with nearly empty fuel. As a means which reduces surface agitation by sloshing, giving baffles to a tank is often considered. In this study, we simulate sloshing phenomena based on the Navier-Stokes equation by using of volume of fluid (VOF) model and non iterative time advancement (NITA) scheme. We examine the accuracy and efficiency of calculation by using of NITA scheme, which varies depending on two kinds of algorithms and under-relaxation factors. In the simulation of flow visualization, the tank with baffles is analyzed first. Then, the baffles are switched from wall boundaries to interior boundaries and the tank without baffles is analyzed under the same conditions as the tank with baffles. Finally, liquid interface and velocity magnitude are indicated by a contour.
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