Investigation of the Effective Factors on Solar Powered Fixed-Wing UAV for Extended Flight Endurance

In recent years, big interest of wing geometry emerged because it affects all other aircraft components. Geometry affects aircraft forces due to airflow characteristics. Solar cells enhance the plane's flying time. This research examines how wing designs affect airfoil characteristics. This simulation was done using CFD ANSYS analysis. These two varieties were chosen to better understand the forces on subsonic aircraft and enhance the wing shape design. In this investigation, air speed was (5.5, 8.8, and 11.11 m/s). CFD Simulation shows that the two kinds of airfoils have similar lift and drag coefficients were determined according to angle of attack. The lift coefficient and drag coefficient were determined according to air speed. In both cases, angle of attack was increased gradually. When the attack angle increases, drag force increases too. Drag generated a downwash of air behind the wing, threatening lift and stability. Current work employs optimum wing design to avoid this problem. The revised proposed wing reduces induced drag by separating top and bottom loads. The investigation lengthened the plane's flight and reduced its power. Lift force, lift coefficient, and drag coefficient affect wing performance.

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