Numerical Simulation of Water Spray Caused by a Rolling Airplane Tire

The meshless method of smooth particle hydrodynamics is used to simulate the water spray caused by a rolling airplane tire, which is a complex physical problem. Graphics of the spray at a certain tire speed and water film thickness are given to describe the whole process in detail. Flowfields at different tire speeds demonstrate that, as the tire speed increases, splashes as well as the scroll effect of the rolling movement become more pronounced. Furthermore, the angles between the runway and main jet flowfields at both sides increase. Results are also presented on splashes through the water film with different thicknesses. In this paper, for the first time in literature, detailed results of the whole water spray process are given and the effects of tire speed and water film thickness on water spray are quantified.

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