Actual blowing conditions and experimental ranges.
|Parameter||Actual blowing conditions of human
||Experimental ranges for device|
|Jet angle θ j (°)||39||±2||35–90|
|Lip-to-edge distance l/h||5.6||±0.42||5.0–9.17|
|Jet offset y j,e/h||0.24||±0.25||−0.83–1.5|
|Flow rate Q (L/min)||16.0||±2||2.0–38.0|
|Cavity exit height h (mm)||1.2||±0.1||1.2|
|Cross-sectional mean jet velocity at cavity exit U 0 (= Q/S 0) (m/s)||21.5||±2.7||2.69–51.1|
S 0 (m2): Cavity exit area.
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