Abstract

T ERRATIC BEHAVIOR of a free or partially supported body in the presence of an open bomb bay is probably due to the aerodynamic disturbances generated by the bay. In a practical case, the open bay displays various kinds of stores and equipment so that the shape is very irregular. However, for a first step, it is convenient to idealize the bay as a long, rectangular cutout in an infinite plane (Fig. 1). For the sake of simplicity, the calculations will be carried out on the basis of linearized aerodynamics. ' 2 The underlying assumption tha t the flow deflections created by the body are small cannot be true either at the front or rear of the bay. These are local areas, however, and it is possible that the large features of the flow might be predicted, at least qualitatively, by the linearized theory. The perturbation potential <p(x, y, z) due to a body, symmetrical relative to the plane y = 0,* is

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