Abstract

An analysis of published experimental results on the unsteady aerodynamics of separated e ow has established that the importance of the moving-wall effect is not limited to two-dimensional dynamic airfoil stall. It plays an equally prominent role in the case of three-dimensional unsteady separated e ow on a maneuvering combat aircraft. The moving-wall effect can remain effective in the presence of e ow unsteadiness. However, when the e ow unsteadiness causes bifurcation of the time-averaged e ow, the moving-wall effect can be suppressed.

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