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Dynamic stall control using pulsed blowing is compared with control by constant blowing for an OA209 airfoil. Flow control was by blowing from 42 portholes, flush with the airfoil surface, of diameter 1 % chord positioned at 10 % chord and with separation 6.7 % chord. Light stall at Mach 0.3 could be fully suppressed by constant blowing, and for deep stall a pitching moment peak reduction of 65% was...
A wind tunnel experiment for the validation of gust response computations has been performed. The model consists of an active two-dimensional rigid front wing acting as a gust generator and forcing an elastic back-swept rear wing. Results of numerical simulations with gust generation are presented. For the setup of the experiment, a simulation environment was established to identify the effect of...
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