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. 2020 Dec 1;32(12):123306. doi: 10.1063/5.0034032

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© 2020 Author(s)

Published under license by AIP Publishing.

1070-6631/2020/32(12)/123306/14/$30.00

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FIG. 2. — Wells curves modified by accounting for droplet cloud aerodynamics, thermodynamics, and droplet desiccation for 1% NaCl–water droplets at T_∞ = 21.44 °C and RH_∞ = 50%. After time t, the droplets with initial size D_s,0 < D₁(t) have been converted to dried droplet nuclei; those within D₁(t) ≤ D_s,0 ≤ D₂(t) are in the liquid droplet state; D_s,0 > D₂(t) have settled and could be potential fomites. τ_d = 22.87 s. The red, blue, and yellow shaded regions denote the regimes of droplets, dried droplet nuclei, and fomites, respectively.