Subsonic Wing Theory

Vortex filament, Biot and Savart law, bound vortex and trailing vortex, horseshoe vortex, Potential flow over lifting wing, lifting line theory and its limitations, vortex lattice method, slender body theory, panel method. Subsonic compressible flow past airfoils, Critical Mach number, drag divergence Mach number, supercritical airfoils, effect of sweep, area rule. Prandtl-Glauert compressibility corrections.