Contribution of the Institut fuer Angewandte Gasdynamik of the DFVLR, Porz-Wahn

The results presented relate to the AGARD models with 10 deg and 15 deg boattail chord angle. They cover the static pressure distributions on the afterbody and wall of the propulsive nozzle as well as the total pressure distributions in the nozzle flow and in the external flow field. The latter was only investigated for the model with 10 deg boattail. From the surface static pressure distributions on the afterbody of the models the boattail pressure drag coefficient was deduced. A cold propulsive jet of air was used, the nozzle total pressure ratio ranging from 1.0 to 6.63. The free stream Mach numbers covered the regime 0.5 free stream Mach number 0.96.