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Published October 1981 | public
Journal Article

Mathematical model for multicomponent aerosol formation and growth in plumes


Description of the evolution of the size and chemical composition of aerosols in plumes is fundamental to the ability to predict visibility impairment. Previously it has only been possible to predict changes in aerosol size distributions in plumes. In this work the first model for predicting both size and chemical composition evolution of plume aerosols is presented. Coagulation, homogeneous particle formation, heterogeneous condensation and particulate phase chemical equilibria and kinetics are explicitly included. The model is based on a sectional representation of the size-composition spectrum and computation is easy to implement. This model holds promise to be a standard component of all plume visibility calculations that require plume aerosol size and composition information.

Additional Information

© 1981 Published by Elsevier. Paper presented at the Symposium on Plumes and Visibility: Measurements and Model Components. Grand Canyon, Arizona, U.S.A. 10–14 November 1980. This work was supported by U.S. Environmental Protection Agency grant R806844. The research reported in this paper made use. of computational facilities funded through grants from the Camille and Henry Dreyfus Foundation and the National Science Foundation (Grant No. CHE78-20235). Fred Gelbard was supported by NIEHS grant 5P30-ES02109-03 under the Center for Health Effects of Fossil Fuels Utilization of the Harvard-MIT Division of Health Sciences and Technology and the Energy Laboratory.

Additional details

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October 18, 2023