On the experimental, numerical and data-driven methods to study urban flows

P Torres, S Le Clainche, R Vinuesa - Energies, 2021 - mdpi.com
Understanding the flow in urban environments is an increasingly relevant problem due to its
significant impact on air quality and thermal effects in cities worldwide. In this review we …

An investigation on external airflow around low-rise building with various roof types: PIV measurements and LES simulations

Z Liu, Z Yu, X Chen, R Cao, F Zhu - Building and Environment, 2020 - Elsevier
In this study, the influence of different roof shapes on the airflow around isolated low-rise
buildings is investigated with particle imaging velocity (PIV) wind tunnel experiments and …

Investigation of turbulent boundary layer over forward-facing step via direct numerical simulation

H Hattori, Y Nagano - International Journal of Heat and Fluid Flow, 2010 - Elsevier
This paper presents observations and investigations of the detailed turbulent structure of a
boundary layer over a forward-facing step. The present DNSs are conducted under …

Scour at submerged cylindrical obstacles under steady flow

S Dey, RV Raikar, A Roy - Journal of Hydraulic Engineering, 2008 - ascelibrary.org
Results of an experimental study on clear-water scour at submerged cylindrical obstacles
(circular cylinders) in uniform bed sediments under steady flow are presented. The scour …

An experimental study of a high-rise building model in tornado-like winds

Z Yang, P Sarkar, H Hu - Journal of Fluids and Structures, 2011 - Elsevier
An experimental study was conducted to quantify the characteristics of wake vortex and flow
structures around a high-rise building model as well as the resultant wind loads (both forces …

Characterization of the wind loads and flow fields around a gable-roof building model in tornado-like winds

H Hu, Z Yang, P Sarkar, F Haan - Experiments in fluids, 2011 - Springer
An experimental study was conducted to quantify the characteristics of a tornado-like vortex
and to reveal the dynamics of the flow-structure interactions between a low-rise, gable-roof …

Stereoscopic particle image velocimetry measurements of the flow around a surface-mounted block

D Calluaud, L David - Experiments in Fluids, 2004 - Springer
The advantages of 3D measurement techniques and the accuracy of the backward
projection algorithm are discussed. The 3D calibration reconstruction used is based on an …

High-speed ditching of a flat plate: Experimental data and uncertainty assessment

A Iafrati, S Grizzi, MH Siemann, LB Montañés - Journal of Fluids and …, 2015 - Elsevier
The water entry of a flat plate with a high horizontal velocity component is investigated
experimentally. The objective is to achieve a better understanding of the physical …

[HTML][HTML] Data-driven assessment of arch vortices in simplified urban flows

Á Martínez-Sánchez, E Lazpita, A Corrochano… - International Journal of …, 2023 - Elsevier
Understanding flow structures in urban areas is widely recognized as a challenging concern
due to its effect on urban development, air quality, and pollutant dispersion. In this study …

The effect of incidence angle on the mean wake of surface-mounted finite-height square prisms

S Unnikrishnan, A Ogunremi, D Sumner - … Journal of Heat and Fluid Flow, 2017 - Elsevier
The mean wake of a surface-mounted finite-height square prism was studied experimentally
in a low-speed wind tunnel to explore the combined effects of incidence angle (α) and …