Aerodynamic Characterization of Bio Inspired Corrugated Wings: A Recent Study

The wings of a dragon fly in the wild have corrugations on their surface and are known to have efficient aerodynamic properties. Aerodynamic analysis of bio-inspired profiles corrugated A, corrugated B, and NACA 0010 was investigated in this study utilising a 2-D panel approach and wind tunnel testing. All profiles were examined for coefficient of lift, drag, and glide ratio for two Reynolds numbers, 1.9x104 and 1.5x105, and for angles of attack ranging from 0 to 160 degrees. The results of the panel approach have been confirmed using current and previous experiment data, as well as computational work from the cited literature. For low angles of attack, there was good agreement between experimental and panel approaches. When compared to NACA 0010, the results showed that corrugated profiles can achieve higher lift coefficient and lower drag coefficient up to 80 degrees angles of attack. Surface pressure coefficients for all three profiles were validated using the panel method at 40 angles of attack. From -100 to 200 angles of attack, contours of non-dimensional pressure and velocity are shown. Corrugated profiles outperform NACA 0010 for low Reynolds number flows, according to a good correlation between experimental data and computational approaches