Abstract
This paper discusses the design of wind-tunnel force test programs for jet aircraft configurations where propulsion system aerodynamic effects must be evaluated in the testing. The simulation requirements of present day jet aircraft are discussed, as are the simulation problems. The potential tradeoff between individual model engine simulator complexity and test program complexity that will provide the required simulation is introduced. Various model support techniques and engine simulation techniques that might be used are described. Test program designs that could yield aircraft force coefficient data are presented, and finally, the choice of an engine simulator and test program design is considered for three specific aircraft configurations.
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