Axial flow patterns in a tip vortex generated by a rectangular wing in a towing tank were studied using the hydrogen bubble flow visualization technique. The distribution of axial velocity was found to depend on wing selection, tip shape, incidence and Reynolds number. Both velocity excesses and velocity deficits were found. Under some conditions a phenomenon similar to vortex bursting was observed, occurring within a few chord lengths of the wing trailing edge. The results from the towing tank tests were compared with wind tunnel and flight test results. (Author)
An Experimental Study of Axial Flow in Wing Tip Vortices
1975
30 pages
Report
No indication
English
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