Experimental study of the flow in the wake of a stationary sphere immersed in a turbulent boundary layer

5 years ago

Experimental study of the flow in the wake of a stationary sphere immersed in a turbulent boundary layer

Gerrit E. Elsinga, Jerke Eisma, Jerry Westerweel, René van Hout

3D flow measurements in the wake of a sphere positioned close to the wall in a turbulent boundary layer indicate that the wake deflects away from the wall as a result of induced motion of preferentially aligned, shed “hairpin” vortices. This is increasingly so with decreasing sphere-wall gap.

Publisher URL: http://link.aps.org/doi/10.1103/PhysRevFluids.3.024601

DOI: 10.1103/PhysRevFluids.3.024601

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