3. (4 pts) given two possible shapes of a trailing edge, (a) state/draw the conditions for the top and bottom surface velocities at point a that satisfy the kutta condition (for each case), (b) state the kutta condition in terms of the vortex sheet strength at point a.

Respuesta :

A steady flow fluid dynamics notion known as the Kutta condition, specifically in the field of aerodynamics, is relevant to solid bodies with sharp corners, such as the trailing edges of airfoils.

In aerodynamics, solid things with sharp edges, such as the trailing edges of airfoils, are subject to the Kutta condition. When a fluid runs all the way around a solid body with sharp edges, none of the fluid passes through the sharp corner as it approaches the following edge from above and below. Therefore, it may be inferred that the velocity above and below are equivalent at the trailing edge.

The circulation around a body with a sharp trailing edge that is traveling through a fluid will be strong enough to retain the rear stagnation point at the trailing edge. The Kutta condition describes the flow pattern in which fluid approaches the corner from above and below, meets at the corner, and then flows away from the body. This applies to fluid flow around a body having a sharp corner. Nothing moves around the steep turn in the fluid. When applying the Kutta-Joukowski theorem to determine the lift produced by an airfoil with a sharp trailing edge, the Kutta condition is important. The value of the airfoil's flow circulation must be that value that would result in the Kutta condition.

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