TABLE 2.
Hole Geometry | Nominal Blowing Ratio | Coolant Exit Temperature (°F) | Freestream Recovery Temperature (°F) | P/D | Re | Uncertainty in η (%) | Uncertainty (°F) |
---|---|---|---|---|---|---|---|
Smooth Circular | 1.0 | 54.0 | 73.4 | 6 | 11000 | 1.0 | 0.20 |
Smooth Circular | 1.5 | 53.6 | 75.7 | 6 | 11000 | 0.9 | 0.20 |
Smooth Circular | 2.0 | 53.1 | 75.9 | 6 | 11000 | 0.9 | 0.20 |
Smooth Circular | 2.5 | 52.6 | 76.1 | 6 | 11000 | 0.9 | 0.20 |
Smooth Circular | 2.0 | 53.4 | 75.9 | 3 | 7400 | 0.9 | 0.20 |
Smooth Compound Angle | 1.0 | 50.3 | 71.8 | 6 | 11000 | 0.9 | 0.20 |
Smooth Compound Angle | 1.5 | 48.1 | 72.0 | 6 | 11000 | 0.8 | 0.20 |
Smooth Compound Angle | 2.0 | 48.0 | 72.4 | 6 | 11000 | 0.8 | 0.20 |
Smooth Compound Angle | 2.5 | 50.1 | 74.4 | 6 | 11000 | 0.8 | 0.20 |
Smooth Compound Angle | 2.0 | 47.9 | 72.3 | 3 | 7400 | 0.8 | 0.20 |
Spiral Same Direction | 1.0 | 57.3 | 73.7 | 6 | 11000 | 0.3 | 0.05 |
Spiral Same Direction | 1.5 | 52.6 | 72.3 | 6 | 11000 | 0.3 | 0.05 |
Spiral Same Direction | 2.0 | 49.2 | 72.1 | 6 | 11000 | 0.2 | 0.05 |
Spiral Same Direction | 2.5 | 45.3 | 72.0 | 6 | 11000 | 0.2 | 0.05 |
Spiral Alternating Direction | 1.0 | 49.7 | 71.0 | 6 | 11000 | 0.2 | 0.05 |
Spiral Alternating Direction | 1.5 | 47.3 | 71.5 | 6 | 11000 | 0.2 | 0.05 |
Spiral Alternating Direction | 2.0 | 46.9 | 71.8 | 6 | 11000 | 0.2 | 0.05 |
Spiral Alternating Direction | 2.5 | 46.9 | 71.9 | 6 | 11000 | 0.2 | 0.05 |
Spiral Alternating Direction | 2.0 | 46.7 | 71.6 | 3 | 7400 | 0.2 | 0.05 |