![]() ![]() The thin airfoil theory is pretty good, but underestimates the pressures slightly from about 10% to 50% of the chord. Thin Airfoil theory compared to “exact” PANEL and Conformal Transformation methods. On other hand, an increase in airfoil thickness causes trailing edge flow separation. (The above expression is also applicable to a cambered airfoil where.īy increasing the airfoil thickness, the leading edge radius increases becoming smoother, and leading the laminar bubble to resist to full flow separation at higher angles of attack. It can be imagined as addressing an airfoil of zero thickness and infinite wingspan. ![]() Thin airfoil theory The theory idealizes the flow around an airfoil as two-dimensional flow around a thin airfoil. What are the assumptions of thin airfoil theory?
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