Abstract
409 In this paper, we analyze the variation of the dropletsize distribution functions, of the fractional droplet composition for a condensation aerosol, and of certain integral characteristics (temperature, supersaturation, and the droplet-number density) that occur in the course of condensation-relaxation process. The consideration is restricted to the period after the rapid creation of the supersaturated state in a vapor‐gas mixture as a result of adiabatic expansion. In order to describe the dynamics of the droplet-size distribution function, we make use of the corresponding kinetic equation. This equation is solved by the direct numerical method. The results are obtained for growing droplets in the cases of large and intermediate Knudsen numbers with and without allowance for the dependence of the saturatedvapor pressure on the droplet radius. The analysis of the results has allowed us to reach a conclusion about how the droplet-size dependence of the saturated-vapor pressure affects the dynamics of the condensationrelaxation process.
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