Exact solution of the general dynamic equation for aerosol growth by condensation

Abstract

Exact solution of the general dynamic equation for aerosol growth by condensation is obtained in dimensionless form for particle growth occurring by gas phase diffusion-, surface reaction-, and volume reaction-controlled processes. Analytic expressions for the size distribution of an aerosol undergoing growth by gas-to-particle conversion and influenced by homogeneous source and removal processes are presented over the complete range of particle Knudsen number, Kn. Numerical results are presented to show the effect of the different growth mechanisms on size distribution dynamics.

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