Consider a flat plate in a supersonic flow at an angle of attack as shown in the figure above, and assume the flow is inviscid. We will learn later in the course that the resulting flow is such that the pressure is uniform on both the upper surface and lower surface of the plate, but of a different magnitude: the pressure on the upper surface, , is lower than the pressure on the lower surface, . Denote the pressure difference as (1.39) and the plate surface area by . Furthermore, use a small angle approximation for , that is (1.40) where has units of radians. How does depend on ? Answer by giving the power of the dependence, that is the value of where . Note that , so indicates no dependence. unanswered How does depend on ? Again, answer by giving the power of the dependence of the dependence .
Posted on: Wed, 02 Oct 2013 09:50:43 +0000
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