Abstract
An experimental investigation of the aerodynamic loads on an isolated forebody during rotary motion was conducted in a small-scale wind tunnel. Force balance data is presented over a range of angle of attack for a round and chined configuration of a generic tangent ogive shape. The side force behavior due to the rotary motion of the two distinctly different forebody configurations is examined. An analysis of off-surface flow visualization of the forebody vortices is incorporated to aid in the understanding of the rotary force balance data. For the chined forebody, regardless of flow speed, the side force behavior due to the rotary motion is a function of AOA, while for the round forebody it may be functionally dependent upon AOA, flow speed (ReD), and the direction and magnitude of rotation.
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