A comparison between IECM and IEM Lagrangian models
by Andrea Amicarelli, Giovanni Leuzzi, Paolo Monti, David J. Thomson
International Journal of Environment and Pollution (IJEP), Vol. 44, No. 1/2/3/4, 2011

Abstract: A three-dimensional Lagrangian stochastic model to evaluate pollutant dispersion in terms of both mean and fluctuating concentration fields has been developed. The mean concentration field is predicted by using a macromixing model, while the micromixing scheme IECM (Interaction by Exchange with the Conditional Mean) is adopted to determine the moments of concentration. The results agree with experimental data and with other numerical studies found in literature. The performance of a second micromixing scheme, namely, the IEM (Interaction by Exchange with the Mean), is tested. Some inaccuracies of the IEM model are evaluated by comparison against measurements and IECM results.

Online publication date: Wed, 29-Apr-2015

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