Size Dependence of the Ratio of Aerosol Coagulation to Deposition Rates for Indoor Aerosols

Figures & data

FIG. 1 Changes of dN/dlogd _p and |γ| with respect to particle diameter for aerosols with GMD = 5.4 nm (D1), 23.0 nm (D2), 120.0 nm (D3), 537.0 nm (D4), and 2684.8 nm (D5) at the same total particle number concentration of 1.0 × 10⁴ cm⁻³ and the same geometric standard deviation of 1.5. (Color figure available online.)

FIG. 2 The evolution of particle size distribution as well as its total particle number concentration and its GMD with time measured with the SMPS. (Color figure available online.)

FIG. 3 The evolution of the particle size distribution as well as its total particle number concentration and its GMD with time measured with the SMPS. (Color figure available online.)

FIG. 4 Changes of dN/dlogd _p  and  |γ| with respect to particle diameter for aerosols with GMD = 5.4 nm (D1), 23.0 nm (D2), 120.0 nm (D3), 537.0 nm (D4), and 2684.8 nm (D5) at the same geometric standard deviation of 1.5 and the same friction velocity of 0.9 cm/s with the criterion with |γ|⩽0.3. The total particle number concentrations for D1′, D2′, D3′, D4′ and D5′ are 1.0 × 10⁵, 1.0 × 10⁴, 1.0 × 10³, 2.0 × 10², and 5.0 × 10² cm⁻³, respectively. (Color figure available online.)

FIG. 5 The estimated deposition rate coefficient relative to the particle diameter. (Color figure available online.)

FIG. 6 Bi-modal aerosol size distribution and |γ| with respect to particle diameter. (Color figure available online.)

FIG. 7 The evolution of the particle size distribution as well as its total particle number concentration in a bi-modal log-normal system. (Color figure available online.)

FIG. 8 The estimated deposition rate coefficient relative to particle diameter. (Color figure available online.)

FIG. 9 Comparison of the estimated deposition rate coefficient among two steps. (Color figure available online.)