Table 2.
Peak velocities and dimensionless parameters at an equivalent flow rate of 15 L/min
| Maximum area of glottis, Amax (mm2) | Velocity at Amax (m/s) | Reynolds number, Re | Womersley number, α | Strouhal number, St | |
|---|---|---|---|---|---|
| Constant-rigida | 100 | 2.14 | 2050 | NA | 2.49 × 10−3 |
| Constant-dynamic | 100 | 3.45 | 3307 | 5.7 | 1.55 × 10−3 |
| Sine-rigid | 62 | 4.28 | 4100 | 5.7 | 1.25 × 10−3 |
| Sine-dynamicb | 62 | 6.90 | 6614 | 5.7 | 7.73 × 10−4 |
a
Constant-rigid: constant inhalation flow rate and rigid glottis
b
Sine-dynamic: sinusoidal inhalation flow rate and dynamic glottis