Flow Visualisation

The visualisation of fluid flows is still one of the most effective ways to understand fluid mechanical processes. Depending on the the fluid mechanic effect and the medium different methods are used. In water the hydrogen bubble method and dye methods are very common whereas in the smoke wire method or dye methods are used in wind tunnels.

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Horseshoe Vortex in free shear layer.

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Bottomnear Horseshoe Vortex.