On the motion of shock waves on an airfoil with oscillating flap

Report (1975)

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01-08-1975

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NLR MP 75028 U

Abstract

Results are presented of measurements of the periodical motion of the shock waves on a NACA 64AOO6 airfoil with harmonically oscillating flap in two-dimensional attached transonic flow. It is shown that three different types of shock wave motion can be distinguished. An analytical model is developed, with which a satisfactory explanation can be given of the observed types of shock wave motion.

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