JET EFFECTS ON CYLINDRICAL AFTERBODIES HOUSING SONIC AND SUPERSONIC NOZZLES WHICH EXHAUST AGAINST A SUPERSONIC STREAM AT ANGLES OF ATTACK FROM 90° TO 180°

摘要

An investigation has been made to determine jet effects on cylin¬drical afterbodies housing sonic and supersonic nozzles which exhaust against a supersonic stream at angles of attack from 90° to l8o°. The tests were conducted at a free-stream Mach number of 2.91 and at free-stream Reynolds numbers, based on body diameter, of 0.15 X 106 and 0.30 x 10°. The range of the ratio of jet total pressure to free-stream static pressure investigated was from jet off to about 400.nThe data presented herein showed that, in general, variation of the ratio of jet total pressure to free-stream static pressure, jet-exit Mach number, and ratio of jet-exit diameter to body diameter had large influences on the body pressures on the windward halves of the after¬bodies and negligible influences on the leeward pressures.