Abstract
Results from static and dynamic stability wind-tunnel tests at subsonic speeds are presented for rectangular cylinders having a fineness ratio of about one-half. Aerodynamic data were obtained over ranges of angles of attack and roll sufficient to construct aerodynamic inputs to a six-degree-of-freedom re-entry simulation for the full rotational motion experienced by a free-falling body. The effects of Reynolds number, edge roundness, angle of attack, and roll angle were investigated. Free-fall tests of the model are also described. The aerodynamic characteristics were found to be highly nonlinear with the various geometric and flow variables investigated, especially at attitudes near broad face and narrow side to the wind.
Published Version
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