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Hybrid Methods in Engineering

ISSN Druckformat: 1099-2391
ISSN Online: 2641-7359

Archives: Volume 1, 1999 to Volume 4, 2002

Hybrid Methods in Engineering

DOI: 10.1615/HybMethEng.v2.i3.30
18 pages

SHORT REVIEW OF LAGRANGIAN STOCHASTIC MODELS FOR SIMULATION OF ATMOSPHERIC POLLUTANT DISPERSION

Domenico Anfossi
Istituto di Cosmogeofisica del CNR, Corso Fiume4, 10133, Torino, Italy

ABSTRAKT

A short review of the present state of the art of Lagrangian stochastic models for the description of the airborne dispersion in the planetary boundary layer is illustrated. A brief history of the main efforts to arrive at the present Lagrangian stochastic models is first presented. These models are based on the generalized Langevin equation. This equation is solved in a hybrid way since it uses both analytical and numerical methods. Then the principal model parameters and inputs, including the parameterization of the turbulence statistics, are discussed.


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