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Experimental Aerodynamic Investigation of an UAV Wing with Wing Mounted Propellers

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Document pages: 10 pages

Abstract: The present study aims at evaluating the aerodynamic coefficients of wing with and without propellers for various configurations at different locations. Also to ascertain the effect of clearance over the wing, wake survey analysis is performed for different clearances. It is observed that aerodynamic coefficients such as lift increased by 12 to 13 with a considerable reduction in drag of the order 2 to 3 , followed by increase in stall angle by 3° - 4°. The result is suitably bolstered by flow visualization technique, which indicated attached flow over the wing even at higher degrees of angle of attack. It is followed by an increase in dynamic pressure, being the obvious denouement to follow, therefore enhancing aerodynamic characteristics with an improved performance of UAVs.

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