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Hybrid Methods in Engineering

Published 4 issues per year

ISSN Print: 1099-2391

ISSN Online: 2641-7359

SIMULATION OF COPENHAGEN TRACER DIFFUSION EXPERIMENT BY MEANS OF A LAGRANGIAN PARTICLE MODEL

Volume 1, Issue 4, 1999, 19 pages
DOI: 10.1615/HybMethEng.v1.i4.10
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ABSTRACT

Using simulations with a stochastic Lagrangian model of turbulent diffusion, we have studied the dispersion of contaminants in the atmospheric boundary layer when both thermal and mechanical turbulent forcing terms are present. The model is based on a generalized form of the Langevin equation and in the vertical direction the probability density function (PDF) is non-Gaussian and represented by two different PDFs. By employing the Copenhagen tracer diffusion experiment, the model performances are evaluated against observed ground-level concentrations.

CITED BY
  1. Carvalho Jonas C., De Vilhena Marco Tú M. B., Moreira Davidson M., An Alternative Numerical Approach to Solve the Langevin Equation Applied to Air Pollution Dispersion, Water, Air, and Soil Pollution, 163, 1-4, 2005. Crossref

  2. Carvalho Jonas C., de Vilhena Marco Túllio M.B., Thompson Mark, An iterative langevin solution for turbulent dispersion in the atmosphere, Journal of Computational and Applied Mathematics, 206, 1, 2007. Crossref

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