Technological Advances in Airframe-Propulsion Integration
AIR FORCE FLIGHT DYNAMICS LAB WRIGHT-PATTERSON AFB OH
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F-111A aircraft inlet system and TF-30 engine compatibility is reviewed based on an assessment of time averaged and instantaneous distortion parameters. In addition, recent advances in research on inlet configurations associated with steady-state and dynamic distortions are presented. A complete random data acquisition, editing and processing method is described for accomplishing data analysis as an inlet flow diagnostic tool. Finally, recent afterbody and nozzle research results, which improve the technology base for understanding airframe-nozzle interactions, are reviewed. A basic aircraft configuration incorporating a common forebody, wing, inlet system and a twin engine installation was utilized during high Reynolds number wind tunnel tests to determine the relative merits of a wide spectrum of afterbody-nozzle geometrical variations.