Results of experimental investigations of aerodynamic characteristics of a sharp cone aimed at creating a validation basis for testing computer programs and models
S.M. Bosnyakov, S.A. Glazkov, A.R. Gorbushin, D.Yu. Gusev, M.N. Klemeshova, E.A. Krapivina, S.V. Mikhailov, A.V. Semenov, Yu.G. Shvalev
Central Aerohydrodynamic Institute named after N.E. Zhukovsky (TsAGI), Zhukovsky, Russia
Keywords: wind tunnel, computer program and model, cone, validation, test case, aerodynamic characteristics
Abstract
The results of an experimental study of the flow around a sharp cone with an opening angle of 10° in two large-scale TsAGI wind tunnels are presented. The Mach and Reynolds numbers of the free-stream flow varied in a wide range of M=0.2÷6 and Re=3÷34 million. The drag, lift and side force coefficients were measured. The behavior of the pitching, rolling, and yawing moment coefficients was studied. The distribution of static pressure on the cone surface and pressure fluctuations were analyzed. A physical model of the cone streamlining was constructed. An ordered system of data was prepared to contain both the results of experiments and test calculations, intended for the validation of computer programs and models.
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