Turbulence parameterisation for PBL dispersion models in all stability conditions

GA Degrazia, D Anfossi, JC Carvalho, C Mangia… - Atmospheric …, 2000 - Elsevier
Accounting for the current knowledge of the planetary boundary layer (PBL) structure and
characteristics, a new set of turbulence parameterisations to be used in atmospheric …

Metaheuristics for the feedforward artificial neural network (ANN) architecture optimization problem

AR Carvalho, FM Ramos, AA Chaves - Neural Computing and …, 2011 - Springer
This article deals with evolutionary artificial neural network (ANN) and aims to propose a
systematic and automated way to find out a proper network architecture. To this, we adapt …

[PDF][PDF] Review and validation of MicroSpray, a Lagrangian particle model of turbulent dispersion

G Tinarelli, L Mortarini, ST Castelli… - … modeling of the …, 2012 - researchgate.net
In this paper, the MicroSpray 3-D Lagrangian particle dispersion model is presented and
reviewed, and several validation studies are shown. Starting from its core, based on a 3-D …

Tracer dispersion simulation in low wind speed conditions with a new 2D Langevin equation system

D Anfossi, S Alessandrini, ST Castelli, E Ferrero… - Atmospheric …, 2006 - Elsevier
The simulation of atmospheric dispersion in low wind speed conditions (LW) is still
recognised as a challenge for modellers. Recently, a new system of two coupled Langevin …

Turbulent statistical characteristics associated to the north wind phenomenon in southern Brazil with application to turbulent diffusion

MCA Arbage, GA Degrazia, GS Welter… - Physica A: Statistical …, 2008 - Elsevier
A parameterization for the transport processes in a shear driven planetary boundary layer
(PBL) has been established, employing turbulent statistical quantities measured during the …

Employing spectral analysis to obtain dispersion parameters in an atmospheric environment driven by a mesoscale downslope windstorm

CE da Rosa, M Stefanello, S Maldaner… - International Journal of …, 2021 - mdpi.com
Considering the influence of the downslope windstorm called “Vento Norte”(VNOR;
Portuguese for “North Wind”) in planetary boundary layer turbulent features, a new set of …

[PDF][PDF] Re-evaluation of the Lagrangian particle modelling system on an experimental campaign in complex terrain

B Grašič, MZ Božnar, P Mlakar, G Tinarelli - Il Nuovo Cimento C, 2007 - core.ac.uk
Slovenian legislation for industrial air pollution control requires efficient modelling systems
for small domains over complex topography. To determine the performance and efficiency of …

[HTML][HTML] Quasi-experimental determination of turbulent dispersion parameters for different stability conditions from a tall micrometeorological tower

LGN Martins, GA Degrazia… - Journal of Applied …, 2018 - journals.ametsoc.org
Turbulent wind data measured by sonic anemometers installed at various heights on a 140-
m-tall micrometeorological tower located at a coastal site are used to obtain vertical profiles …

[HTML][HTML] Employing a Lagrangian stochastic dispersion model and classical diffusion experiments to evaluate two turbulence parameterization schemes

VS Moreira, GA Degrazia, DR Roberti, AU Timm… - Atmospheric Pollution …, 2011 - Elsevier
Considering a Lagrangian stochastic particle dispersion model and diffusion experiments,
two turbulence parameterizations have been tested. The parameters obtained from the …

Simulations of atmospheric dispersion in an urban stable boundary layer

E Ferrero, D Anfossi, G Tinarelli - International journal of …, 2001 - inderscienceonline.com
The results of numerical simulations of tracer dispersion in an urban stable boundary layer
are presented. Both Gaussian approximation and fourth order closure are considered and a …