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  • Experimental investigation of an unsteady flow field around an airfoil [Elektronski vir]
    Hribernik, Aleš, 1960- ...
    A small wind tunnel where basic aerodynamic properties such as the lift, drag, and pressure distribution of an airfoil can be measured was used to study an unsteady flow-field around an isolated ... airfoil. Transparent walls enabled the application of PIV (Particle Image Velocimetry) so as to acquire a 2D velocity-field around the considered airfoil. A study was performed at various angles of attack (AOA). No separation was observed at low AOA. At 10 ° AOA, the separation vortex comprised 50 % of the airfoil's chord-length, whilst complete stalling of the airfoil occurred at 20 °AOA. The observed separation zone was not fixed but was found to oscillate around its mean-position at an interval of 10 % of the chord's length.
    Vrsta gradiva - prispevek na konferenci ; neleposlovje za odrasle
    Leto - 2012
    Jezik - angleški
    COBISS.SI-ID - 16425750