Abstract:Experimental measurements were conducted on a plunging Eppler 361 Gurney flapped airfoil to study wake structure and dynamic stall phenomenon in the wake. The heights of Gurney flap were 2.6 and 3.3% chord. All oscillation data were taken at the plunging amplitude of 6 cm and Reynolds number 1.5 × 10 5 . Special attention was focused on the temporal progressions of the plunging wake for the range of initial angle of attack (0 • and 12 • ) in prior and post-stall flow conditions. The velocity in the wake was me… Show more
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