Table 2

A summary of results for the internal flow control studies. The “25 μm” holes all have < 1 mm Hg pressure drop

Target hole diameter (μm) Observed hole diameter (mean (SD) μm) Observed pressure drop (mean (SD), mmHg)
1012.61 (0.05) (entry side)25.66 (4.9)
11 (0.05) (exit side)11 (0.05) (exit side)
1516.67 (0.82) (entry side)6.76 (1.15)
15.1 (0.25) (exit side)15.1 (0.25) (exit side)
2024.32 (1.48) (entry side)1.66 (1.07)
21.26 (0.3) (exit side)21.26 (0.3) (exit side)
2528.51 (3.16) (entry side)<1.0
27.12 (0.73) (exit side)