Abstract

An experimental investigation was conducted to obtain additional information necessary to complete a study of the influence of changes in afterbody configuration on the drag of models tested in transonic wind tunnels. The model was a sting-supported axisymmetric body configuration. The model geometry was the same as used in a similar investigation conducted in the 1 x 1-m transonic wind tunnel of DFVLR in Gottingen, Germany. The current investigation was conducted in the AEDC 16-ft Transonic Wind Tunnel at Mach numbers from 0.6 to 1.4 and over a Reynolds number range of (8.12-21.7)xl 06 based on model length. The results of this investigation, which show that forebody drag is not sensitive to changes in afterbody configuration, are in general agreement with previous results obtained at AEDC.

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