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A puff model using a three-dimensional analytical solution for the pollutant diffusion process

Authors
Journal
Atmospheric Research
0169-8095
Publisher
Elsevier
Publication Date
Volume
134
Identifiers
DOI: 10.1016/j.atmosres.2013.07.009
Keywords
  • Air Pollution
  • Modeling
  • Puff Models
  • Advection–Diffusion Equation
  • Giltt Method
Disciplines
  • Earth Science

Abstract

Abstract A new model for the dispersion of passive puffs is presented (puff model). The model is based on the GILTT (Generalized Integral Laplace Transform Technique) approach, a general technique for solving the advection–diffusion equation. It is a well-known hybrid method that had solved a wide class of direct and inverse problems mainly in the area of Heat Transfer and Fluid Mechanics and the solution is given in series form. It is used a boundary layer parameterization that allows the model to be applied routinely using as input simple ground-level meteorological data. A preliminary performance evaluation is shown in the case of continuous emission from an elevated source in a variable boundary layer (with a time resolution of 10min).

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