Figure 11

Variation of outlet air velocity with breathing under a constant air supply flow of 115 L/min (a) MIF = 15 L/min; (b) MIF = 30 L/min; (c) MIF = 45 L/min; (d) MIF = 60 L/min; (e) MIF = 85 L/min.

Variation of outlet air velocity with breathing under a constant air supply flow of 115 L/min (a) MIF = 15 L/min; (b) MIF = 30 L/min; (c) MIF = 45 L/min; (d) MIF = 60 L/min; (e) MIF = 85 L/min.