Thickness effect of NACA foils on hydrodynamic global parameters, boundary layer states and stall establishment
Article dans une revue avec comité de lecture
Auteur
SARRAF, ChristopheDJERIDI, HendaPROTHIN, SébastienBILLARD, Jean-YvesRésumé
The present study investigates experimentally the hydrodynamic behavior of 2D NACA (15, 25, 35%) symmetric hydrofoils at Reynolds number 0.5 106 . A particular attention is paid on the hysteretic behavior at static stall angle and a detailed cartography of boundary layer structures (integral quantities and velocity profiles) is given in order to put in evidence the mechanism of the detachment and the onset of von Karman instability for thick profile
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