A Method for Predicting the Compressibility Burble

Hsue-shen Tsien, Ph. D.

Summary*

In Part I of the present report, a method for calculating the two dimensional subsonic compressible flow is developed by using the tangent to the adiabatic pressure-volume curve as an approximation to the curve itself. In Part II, this method is applied to the case of flow over a circular cylinder with its axis perpendicular to the direction of undisturbed flow. The result is compared with that of perturbation method. In Part III, the conclusion drawn from Part I and Part II is used to develop a procedure which enables the prediction of the compressibility burble from test data obtained at low air speeds. Then the results of this method are compared with those ...

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