A model is suggested in which some of the important features of the circulating flow inside the two-dimensional near wake are derived by assuming a slow viscous flow. The theory considers the flow away from the body base. It is found that there is a region of constant speed merging, as we go downstream, into a region of stagnation-apex flow. The velocity returning from the rear stagnation point along the center streamline is shown to be a slowly varying function of the 'wedge-angle, of the wake and to be roughly half the velocity at the edge of the shear layers dribing the wake-cavity flow. These results seem to be in agreement with experimental data.
The slow recirculating flow near the rear stagnation point of a wake
Langsame Umwaelzstroemung in der Naehe des hinteren Stagnationspunktes einer Wirbelschleppe
US Government Reports ; 1-16
1975
16 Seiten
Report
English
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