Numerical simulations of the mean wind speeds and turbulence intensities over simplified gorges using the SST k-ω turbulence model

P Hu, Y Li, Y Han, SCS Cai, X Xu - Engineering Applications of …, 2016 - Taylor & Francis
Numerical studies on the wind characteristics over gorge and valley terrains are very rare.
Some simplified gorge terrains with different included angles and different terrain heights …

CFD simulation of pesticide spray from air-assisted sprayers in an apple orchard: Tree deposition and off-target losses

SW Hong, L Zhao, H Zhu - Atmospheric Environment, 2018 - Elsevier
The ultimate goal of a pesticide spraying system is to provide adequate coverage on
intended canopies with a minimum amount of spray materials and off-target waste. Better …

Influence of a pre-swirl stator and rudder bulb system on the propulsion performance of a large-scale ship model

Y Su, J Lin, D Zhao, C Guo, H Guo - Ocean Engineering, 2020 - Elsevier
With the implementation of an energy efficiency design index, energy-saving devices (ESDs)
have received increasing research interest. In this study, experimental and numerical …

A comparison of major steady RANS approaches to engineering ABL simulations

M Cindori, P Čajić, I Džijan, F Juretić… - Journal of wind …, 2022 - Elsevier
Engineering atmospheric boundary layer (EABL) simulations performed using
Computational Fluid Dynamics (CFD) can give key insights in successfully addressing a …

Multiscale simulation of the urban wind environment under typhoon weather conditions

Z Zhao, Y Xiao, C Li, PW Chan, G Hu, Q Zhou - Building Simulation, 2023 - Springer
Accurate simulations of planetary boundary layer (PBL) winds in urban areas require
combining meteorological knowledge and fine-grained geometrical information …

Effect of unsteady aerodynamic loads on driving safety and comfort of trains running on bridges

Y Han, Y Liu, P Hu, CS Cai, G Xu… - Advances in structural …, 2020 - journals.sagepub.com
In order to investigate the effects of unsteady aerodynamic loads on the driving safety and
comfort of trains running on bridges, a three-dimensional and multi-body system model of …

Assessment of RANS turbulence closure models for predicting airflow in neutral ABL over hilly terrain

A Narjisse, K Abdellatif - International Review of Applied Sciences …, 2021 - akjournals.com
Implementing wind farms in heights of a hilly terrain where wind speed is expected to be
large may be viewed as a means to increase wind energy production without occupying …

Numerical simulation of wind fields at the bridge site in mountain-gorge terrain considering an updated curved boundary transition section

P Hu, Y Han, G Xu, Y Li, F Xue - Journal of Aerospace Engineering, 2018 - ascelibrary.org
To investigate the characteristics of wind fields at the bridge site in mountain-gorge terrains
more accurately and rationally, an updated curved boundary transition section (BTS) was …

[HTML][HTML] Roughness constant selection for atmospheric boundary layer simulations using a k-ω SST turbulence model within a commercial CFD solver

JF Townsend, G Xu, Y Jin - Advances in Wind Engineering, 2024 - Elsevier
Transit of an atmospheric boundary layer (ABL) profile within computational fluid dynamics
(CFD) simulations is often hindered through unintended streamwise gradients in the flow …

Anisotropic turbulence modeling of the atmospheric surface layer: Validation of novel model settings and comparison with traditional two-equation models in flows …

GB Dumont, AP Petry - Journal of Wind Engineering and Industrial …, 2024 - Elsevier
For atmospheric flows, the limitations of the eddy viscosity assumption are even more critical
in cases involving complex terrain and features, where secondary strains are influential …