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The pressure drop (Δp, Pa) versus airflow rate ( Q, m3/s) data were fitted with the curve Δp = aQb, where Q ∈[0,50] L/min, yielding the constants a and b and the correlation coefficient r2 below.
| Nasal replica/CFD Model | a | b | r2 |
|---|---|---|---|
| Kelly et al. (2004) | (5.7 ± 0.8) × 107 | 1.83 ± 0.02 | 0.9994 |
| Model A | (1.1 ± 0.2) × 107 | 1.64 ± 0.02 | 0.9996 |
| Model B | (0.32 ± 0.04) × 107 | 1.49 ± 0.02 | 0.9996 |
| Model C | (0.43 ± 0.15) × 107 | 1.57 ± 0.05 | 0.9976 |
