Turbulent flow around a square cylinder at Reynolds number 22,000: A DNS study

FX Trias, A Gorobets, A Oliva - Computers & Fluids, 2015 - Elsevier
The turbulent flow around a square cylinder at Reynolds number 22, 000 (based on the
cylinder diameter and the inflow velocity) is studied by means of direct numerical simulation …

Diffusion characteristics of the industrial submicron particle under Brownian motion and turbulent diffusion

C Li, H Wang, CW Yu, D Xie - Indoor and Built Environment, 2022 - journals.sagepub.com
The industrial release of submicron aerosol particles at workplace could cause undue health
effect on workers. To effectively capture and remove airborne particles, we need to study the …

Symmetry-preserving discretization of Navier–Stokes equations on collocated unstructured grids

FX Trias, O Lehmkuhl, A Oliva… - Journal of …, 2014 - Elsevier
A fully-conservative discretization is presented in this paper. The same principles followed
by Verstappen and Veldman (2003)[3] are generalized for unstructured meshes. Here, a …

[HTML][HTML] Numerical study of three-dimensional natural convection in a cubical cavity at high Rayleigh numbers

P Wang, Y Zhang, Z Guo - International Journal of Heat and Mass Transfer, 2017 - Elsevier
A systematic numerical study of three-dimensional natural convection of air in a differentially
heated cubical cavity with Rayleigh number (Ra) up to 10 10 is performed by using the …

[HTML][HTML] Turbulent vertical convection under vertical vibration

XQ Guo, BF Wang, JZ Wu, KL Chong, Q Zhou - Physics of Fluids, 2022 - pubs.aip.org
Vertical convection (VC) under the action of vertical vibration in a square cavity has been
investigated using direct numerical simulation. The simulations are conducted with Prandtl …

Direct numerical simulation of a differentially heated cavity of aspect ratio 4 with Rayleigh numbers up to 1011–Part I: Numerical methods and time-averaged flow

FX Trias, A Gorobets, M Soria, A Oliva - … Journal of Heat and Mass Transfer, 2010 - Elsevier
A set of direct numerical simulations of a differentially heated cavity of aspect ratio 4 with
adiabatic horizontal walls is presented. The five configurations selected here (Rayleigh …

On numerical modelling of conjugate turbulent natural convection and radiation in a differentially heated cavity

T Wu, C Lei - International Journal of Heat and Mass Transfer, 2015 - Elsevier
Turbulent natural convection with and without radiation transfer in two-dimensional (2D) and
three-dimensional (3D) air-filled differentially heated cavities is numerically investigated …

On the feasibility of affordable high-fidelity CFD simulations for indoor environment design and control

N Morozova, FX Trias, R Capdevila… - Building and …, 2020 - Elsevier
Computational fluid dynamics (CFD) is a reliable tool for indoor environmental applications.
However, accurate CFD simulations require large computational resources, whereas …

Direct numerical simulation of a fully developed turbulent square duct flow up to Reτ= 1200

H Zhang, FX Trias, A Gorobets, Y Tan… - International Journal of …, 2015 - Elsevier
Various fundamental studies based on a turbulent duct flow have gained popularity
including heat transfer, magnetohydrodynamics as well as particle-laden transportation. An …

Towards robust and accurate Reynolds-averaged closures for natural convection via multi-objective CFD-driven machine learning

X Xu, F Waschkowski, ASH Ooi… - International Journal of …, 2022 - Elsevier
Robust and accurate Reynolds-averaged stresses and scalar fluxes closure models for
natural convection developed by machine learning are presented in this work. In …