Dynamics of large-scale flow structures within ship airwakes

N Zhu, Z Zhang, E Gnanamanickam… - AIAA Scitech 2022 …, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-2532. vid The three-dimensional,
unsteady, and turbulent airwake produced by a scaled model of a generic Navy ship (Simple …

Study on the operation of small rooftop wind turbines and its effect on the wind environment in blocks

S Zhang, B Du, M Ge, Y Zuo - Renewable Energy, 2022 - Elsevier
Rooftop wind turbine is a typical utilization form of urban wind power. However, knowledge
gaps still exist in the understanding on the wind resources of an urban district, the operation …

Turbulent separations beneath semi-submerged bluff bodies with smooth and rough undersurfaces

X Fang, MF Tachie, K Dow - Journal of Fluid Mechanics, 2022 - cambridge.org
The spatio-temporal characteristics of turbulent separations beneath semi-submerged bluff
bodies with different undersurface roughness conditions are studied using a time-resolved …

The influence of free stream turbulence on the development of a wind turbine wake

S Gambuzza, B Ganapathisubramani - Journal of Fluid Mechanics, 2023 - cambridge.org
The wake of an isolated model-scale wind turbine is analysed in a set of inflow conditions
having free stream turbulence intensity between 3% and 12%, and integral time scales in …

Spatio-temporal dynamics of flow separation induced by a forward-facing step submerged in a thick turbulent boundary layer

X Fang, MF Tachie - Journal of Fluid Mechanics, 2020 - cambridge.org
The effects of large-scale motion (LSM) on the spatio-temporal dynamics of separated shear
layers induced by a forward-facing step submerged in a thick turbulent boundary layer (TBL) …

A turbulent quarter century of active grids: from Makita (1991) to the present

L Mydlarski - Fluid Dynamics Research, 2017 - iopscience.iop.org
A quarter of a century ago, following a series of investigations with his colleagues, Makita
published a paper (Makita 1991 Fluid Dyn. Res. 8, 53–64) in which the production of high …

Experimental investigation of three‐dimensional flow structure and turbulent flow mechanisms around a nonsubmerged spur dike with a low length‐to‐depth ratio

J Jeon, JY Lee, S Kang - Water Resources Research, 2018 - Wiley Online Library
Flume experiments were conducted to investigate the three‐dimensional flow structure and
turbulent flow mechanisms around a nonsubmerged, sidewall‐attached rectangular spur …

Characteristics of flow past elongated bluff bodies with underbody gaps due to varying inflow turbulence

SS Aleyasin, MF Tachie, R Balachandar - Physics of Fluids, 2021 - pubs.aip.org
An experimental study was performed on two elongated bluff bodies with underbody gaps, a
square-back Ahmed body and a cuboid, to investigate the effects of geometry and the …

Lattice-Boltzmann-based large-eddy simulation of high-rise building aerodynamics with inlet turbulence reconstruction

E Buffa, J Jacob, P Sagaut - Journal of Wind Engineering and Industrial …, 2021 - Elsevier
Abstract A Lattice-Boltzmann-based Large-Eddy Simulation approach for wind load
prediction on high-rise building is proposed and validated. An extension of the original …

[HTML][HTML] Influence of position and wind direction on the performance of a roof mounted vertical axis wind turbine

Y Jooss, EB Rønning, RJ Hearst, T Bracchi - Journal of Wind Engineering …, 2022 - Elsevier
The ideal position for a roof mounted wind turbine is investigated experimentally in a wind
tunnel. The set-up consists of two cube-shaped buildings. A Savonius (drag driven) vertical …