An analysis of sonic anemometer observations in low wind speed conditions

D Anfossi, D Öttl, G Degrazia, A Goulart - Boundary-Layer Meteorology, 2005 - Springer
When the wind speed decreases below a certain value (1–2 ms-1) meandering (low
frequency horizontal wind oscillations) starts to prevail. In these conditions it becomes …

Turbulence statistics inside and over forest: influence on footprint prediction

Ü Rannik, T Markkanen, J Raittila, P Hari… - Boundary-Layer …, 2003 - Springer
Observations of wind statistics within and above a Scots pine forest are comparedwith those
predicted from an analytical second-order closure model. The roughnesssublayer (RSL) …

The Kolmogorov constant for the Lagrangian velocity spectrum and structure function

RC Lien, EA D'Asaro - Physics of Fluids, 2002 - pubs.aip.org
The inertial subrange Kolmogorov constant for the Lagrangian velocity structure function C0
is related to the inertial subrange constant for the Lagrangian acceleration spectrum by C0 …

A predictive model for the estimation of industrial PM2. 5 emissions for IoT-based devices

A Kychkin, O Vikenteva, L Mylnikov… - Computers & Industrial …, 2024 - Elsevier
The paper is devoted to solving the problem, associated with increasing the forecasting
accuracy of pollutant concentration level based on PM 2. 5 dust. The LANN model (LANN …

Low‐frequency processes and turbulence structure in a perturbed boundary layer

L Mortarini, E Ferrero, S Falabino… - Quarterly Journal of …, 2013 - Wiley Online Library
An analysis of the turbulence structure in a perturbed boundary layer and in low‐wind
regimes is presented. The study is based on 15 months of continuous wind and turbulence …

Proposal of an empirical velocity spectrum formula in low‐wind speed conditions

L Mortarini, D Anfossi - Quarterly Journal of the Royal …, 2015 - Wiley Online Library
Low‐wind spectra are investigated through the analysis of sonic anemometer observations
gathered in three experimental campaigns: the Urban Turbulence Project, the NOrthern …

Estimation of the ratio between the Lagrangian and Eulerian time scales in an atmospheric boundary layer generated by large eddy simulation

D Anfossi, U Rizza, C Mangia, GA Degrazia… - Atmospheric …, 2006 - Elsevier
The estimation of the ratio β= TL/TE between Lagrangian and Eulerian time scales is an
important problem, both in basic turbulence theory and in atmospheric pollution dispersion …

The use of global sensitivity methods for the analysis, evaluation and improvement of complex modelling systems

AS Tomlin, T Ziehn - Coping with complexity: model reduction and data …, 2010 - Springer
Abstract Models which involve the coupling of complex chemical and physical processes are
being increasingly used within engineering design and decision making. Improvements in …

Analysis of the parameterization for the wind-velocity fluctuation standard deviations in the surface layer in low-wind conditions

S Trini Castelli, S Falabino - Meteorology and Atmospheric Physics, 2013 - Springer
In this work a formulation for the standard deviations of the wind-velocity fluctuations in the
atmospheric surface layer is assessed for heterogeneous conditions and with a particular …

[HTML][HTML] Investigating the Turbulent Vertical Dispersion in a Strong Shear Dominated Neutral Atmospheric Boundary Layer

GA Degrazia, FD Costa, LGN Martins… - Atmosphere, 2024 - mdpi.com
The primary focus of this article is to derive a solution to obtain the asymptotic turbulent
dispersion parameter provided by the spectral Taylor statistical diffusion model. Unlike …