The numerical diffusion effect on the cfd simulation accuracy of velocity and temperature field for the application of sustainable architecture methodology

V Michalcová, K Kotrasová - Sustainability, 2020 - mdpi.com
Numerical simulation of fluid flow and heat or mass transfer phenomenon requires
numerical solution of Navier–Stokes and energy-conservation equations, together with the …

Semi-analytical footprint model compliant with arbitrary atmospheric stratification: application to Monin–Obukhov profiles

JC Krapez, GA Ky - Boundary-Layer Meteorology, 2023 - Springer
A new model is proposed for the so-called scalar footprint and flux footprint in the
atmospheric boundary layer. The underlying semi-analytical model allows computing the …

[HTML][HTML] An analytical air pollution model with time dependent eddy diffusivity

T Tirabassi, MT Vilhena, D Buske… - Journal of Environmental …, 2013 - scirp.org
Air pollution transport and dispersion in the atmospheric boundary layer are modeled by the
advection-diffusion equation, that is, essentially, a statement of conservation of the …

[HTML][HTML] Derivation of an eddy diffusivity coefficient depending on source distance for a shear dominated planetary boundary layer

IP Alves, GA Degrazia, D Buske, MT Vilhena… - Physica A: Statistical …, 2012 - Elsevier
In this study an integral and an algebraic formulation for the eddy diffusivities in a shear
driven planetary boundary layer are derived for pollutant dispersion applications. The …

Two Reasons Why Pollution Dispersion Modeling Needs Sesquilinear Forms

DL Gisch, BEJ Bodmann, MTB Vilhena - Integral Methods in Science and …, 2015 - Springer
Atmospheric dispersion modeling is nowadays a valuable tool that permits to simulate how
air pollutants affect the ambient atmosphere. Models are not only used to estimate the …

[PDF][PDF] The Influence of Decorrelation Time Scales in the CALPUFF Modeling System under Neutral Conditions

FC Degrazia, MT Vilhena, GA Degrazia… - American Journal of …, 2015 - researchgate.net
In the literature there exists a variety of pollution of dispersion models and in general,
Gaussian models are used worldwide by environmental agencies in regulatory applications …

[PDF][PDF] A First Order Pertubative Analysis of the Advection-Diffusion Equation for Pollutant Dispersion in the Atmospheric Boundary Layer

C Pellegrini, D Buske, BEJ Bodmann… - American Journal of …, 2013 - researchgate.net
The present discussion focuses on the dispersion of pollution plumes in the atmospheric
boundary layer. From a comparison between first order perturbation theory with equivalent …

Validating a Closed Form Advection–Diffusion Solution by Experiments: Tritium Dispersion after Emission from the Brazilian Angra Dos Reis Nuclear Power Plant

GJ Weymar, D Buske, MT Vilhena… - Integral Methods in …, 2013 - Springer
The work in this chapter is a contribution to a larger program, whose objective is to
determine general closed form solutions and allows us to match a variety of meteorological …

Simulação analítica da dispersão de substâncias radioativas liberadas na atmosfera por usinas nucleares pelo método GILTT

GJ Weymar - 2012 - lume.ufrgs.br
Tendo em vista o atual renascimento do Programa Nuclear Brasileiro, o presente objetivo´ e
estudar a dispersão de poluentes em possíveis cenários de emissões acidentais. Para …

An Analytical Methodology to Air Pollution Modelling in Atmosphere

RS de Quadros, GA Gonçalves, D Buske… - Defect and Diffusion …, 2019 - Trans Tech Publ
This work presents an analytical solution for the transient three-dimensional advection-
diffusion equation to simulate the dispersion of pollutants in the atmosphere. The solution of …