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Fluid Dynamics
Erschienen in: Fluid Dynamics 8/2022

01.12.2022

On Estimation of the Contribution of Secondary Vortex Structures to the Transport of Aerosols in the Atmospheric Boundary Layer

verfasst von: M. A. Davydova, O. G. Chkhetiani, N. T. Levashova, A. L. Nechaeva

Erschienen in: Fluid Dynamics | Ausgabe 8/2022

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Abstract—

In this paper, we consider two reasonable approaches to the problem of numerical simulation of the concentration distribution of a finely dispersed aerosol in spiral vortex structures (rolls) at the atmospheric boundary layer in order to estimate the contribution of vortex structures to the transport of aerosols through the boundary layer. Using the methods of perturbation theory, an approximate solution of a stationary spatially periodic singularly perturbed problem of the reaction–diffusion–advection type, which models the distribution of an aerosol in vortices, is obtained, the residual term is estimated, and a method for numerically solving the zero-approximation problem is proposed. As an alternative approach to the problem of numerical modeling of an aerosol-concentration field in rolls, implementation of the method of evolutionary factorization is considered. Using model data, an estimate of the amount of an aerosol carried by vortex structures is obtained.
Vorheriger Artikel Nonlinear Monopole and Dipole Acoustic Radiation of a Weakly Charged Droplet Oscillating in a Uniform Electrostatic Field
Nächster Artikel On the Radial Spread of Petroleum Products on the Surface of Water

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Metadaten
Titel
On Estimation of the Contribution of Secondary Vortex Structures to the Transport of Aerosols in the Atmospheric Boundary Layer
verfasst von
M. A. Davydova
O. G. Chkhetiani
N. T. Levashova
A. L. Nechaeva
Publikationsdatum
01.12.2022
Verlag
Pleiades Publishing
Erschienen in
Fluid Dynamics / Ausgabe 8/2022
Print ISSN: 0015-4628
Elektronische ISSN: 1573-8507
DOI
https://doi.org/10.1134/S001546282208002X

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