Effect of Turbulence in Wind-Tunnel Measurements (1931)
NASA Technical Reports Server (NTRS) · leaf 6
exact solutions, but we shall attempt to carry the discussion somewhat further by the approximation methods developed by Karman and Pohlhausen. momentum slates (References 10 and 12.) These approximations are dp d based on a new equation, an integral equation, obtained dx dx as a first integral of… … enters through the sloping upper boundary whose slope I I'.ure 1.—Forces on an element of the boundary layer exceeds that of the local streamline. To obtain this We now introduce a function q such that u=U-q*. momentum we note that the total mass per second We find entering at the left is J pu dy…
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