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Investigation of Active Flow Control o ver NACA0015 ...

International Journal of Aerosp ace Scien ces 2012, 1(4): 57-63 DOI: Investigation of Active Flow Control over NACA0015 Airfoil Via Blowing M . Goo darzi*, M. Rahimi, R. Fe reidouni M echanical En gineer in g Dep art ment , Engine erin g Facu lt y of Bu-Ali Sina University, Hamadan, Iran Abs t rac t In this study the concept of Active flow Control using a blowing jet with a width of of chord length which places on NACA0015 airfo il's upper surface under Re=455000 in 6 different angles of attack 12 to 17 is investigated. More th an 200 n u mer ica l simulations are conducted over a range of parameters of jet locations (10%, 30% and 50% of chord fro m leading edge), jet velocity ratios (1, 2 and 6 time of free stream velocity) and jet angles (0 , 30 and 45 re lat iv e t o t h e a ir fo i l surface) are investigated.

58 M. Goodarzi . et al.: Investigation of Active Flow Control over NACA0015 Airfoil Via Blowing . conventional two -dimensional airfoil[6].

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