The Criticality of Engine Exhaust Simulations on VSTOL Model-Measured Ground Effects.
Final rept. Jul 78-Aug 79,
GENERAL DYNAMICS CORP FORT WORTH TX FORT WORTH DIV
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This experimental investigation demonstrated the criticality of performing accurate full-scale engine exhaust simulations during model-measured VSTOL ground effects testing. The effects of varying the nozzle exit turbulence, total pressure distributions, and nozzle pressure ratio on the net and component ground-induced forces for two-, three-, and four-nozzle configurations with large blocking surfaces as well as a smaller, cruciform two-nozzle blocking surface more characteristic of a real aircraft planform were studied.
- Fluid Mechanics