1. Configurations (NPR=3.0) Figure 13. Schlieren Photo of
2. Sound pressure level plots were completed for 20-60 psig which show a decrease in the SPL levels compared to the unsuppressed configuration. The
3. + 0 TABS
4. Two-dimensional 4.7%scale model nozzles were used to test screech suppression and nozzle orientation concepts. The single and twin baseline configurations were tested first followed by lateral spacing of the twin jets and nozzle exit tab suppression. Two-dimensional nozzle orientation tests such as nozzle cant angle variation and pitch deflection variation were also studied. Single/Twin 2D Baseline Configurations