Table 6.

Experimentally Determined Mean (Standard Deviation) Aerosol Deposition Fraction (% of Nebulized Dose) in Different Regions of All Mixer-Heater Designs with a Targeted 32°C Outlet Temperature and Mean (Standard Deviation) Mass Median Aerodynamic Diameter of the Outlet Aerosols

	20 LPM	30 LPM
Design 1
Nebulizer (%)	7.0 (0.7)	9.1 (0.7)
Mixer-heater (%)	11.4 (1.2)	11.1 (0.6)
Outlet filter (%)	71.1 (2.4)	71.2 (0.4)
MMAD (μm)	1.2 (0.1)	1.2 (0.0)
Design 2
Nebulizer (%)	7.2 (0.7)	7.0 (1.4)
Mixer-heater (%)	6.2 (1.6)	4.5 (1.6)
Outlet filter (%)	79.2 (4.1)	80.2 (3.4)
MMAD (μm)	1.3 (0.1)	1.2 (0.1)
Design 3
Nebulizer (%)	9.3 (1.6)	9.2 (3.9)
Mixer-heater (%)	4.4 (1.8)	4.1 (2.4)
Outlet filter (%)	80.5 (1.1)	85.5 (4.7)
MMAD (μm)	1.2 (0.2)	1.1 (0.1)