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Characteristics of the flow waveforms used for comparisons to multiple in vivo data sets.
| Sinusoidal waveform | QD waveform | SD waveform | |
|---|---|---|---|
| PIFR (LPM) | 47.1 | 99.0 | 41.2 |
| Mean flow rate (LPM) | 30.0 | 60.8 | 24.8 |
| Flow rate for particle sizing (LPM) | NA | 80.0 | 39.9 |
| Period of inhalation (s) | 2 | 2.96 | 7.24 |
| Time to PIFR (s) | 1 | 0.49 | 1.81 |
| Time fraction to PIFR | 1/2 | 1/6 | 1/4 |
| Volume inhaled (L) | 1 | 3 | 3 |
