Table 2.

Typical physiological parameters for humans

Quantity	Value	Source
Length of nasal cavity $L$	$(6.5\pm 0.7)\text{cm}$	(23)
Volume of nasal cavity $V$	$(21\pm 5){\text{cm}}^3$	(23)
Surface area $S$	$(200\pm 25){\text{cm}}^2$	(23)
Cross-sectional area $A$	$(3\pm 1){\text{cm}}^2$	(23)
Tidal volume $V_{\mathrm{t}}$	$(0.5\pm 0.1)\text{L}$	(34, 35)
Respiratory rate $f$	$(15\pm 4){\text{min}}^{-1}$	(34, 35)
Body mass $M$	$(70\pm 10)\text{kg}$	(34, 36)
Volumetric flux $Q$	$(15\pm 5)\text{L}/\text{min}$	$Q=2V_{\mathrm{t}}f$