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An inclined rod is installed upstream of a circular cylinder mounted on a flat plate to mitigate the horseshoe vortices in the junction flow. Smoke-wire visualization, hot-wire velocity measurement and surface pressure measurement are employed to study the effects of the inclined rod on the laminar and turbulent junction flows. The results show a properly placed inclined rod can significantly weaken...
Through visualization and measurement on the cylinder-plate junction flow, we show the horseshoe vortices can be significantly modified by altering the section shape of the cylinder. Both smoke-wire and Laser-Induced-Fluorescence (LIF) are employed to visualize the vortex structures. Laser Doppler velocimeter is used to measure the velocity field in the symmetry plane upstream of the cylinder. Electrical...
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