Performance and wake characteristics of tidal turbines in an infinitely large array

P Ouro, T Nishino - Journal of Fluid Mechanics, 2021 - cambridge.org
The efficiency of tidal stream turbines in a large array depends on the balance between
negative effects of turbine-wake interactions and positive effects of bypass-flow acceleration …

[HTML][HTML] Scalability of an Eulerian-Lagrangian large-eddy simulation solver with hybrid MPI/OpenMP parallelisation

P Ouro, B Fraga, U Lopez-Novoa, T Stoesser - Computers & fluids, 2019 - Elsevier
Eulerian-Lagrangian approaches capable of accurately reproducing complex fluid flows are
becoming more and more popular due to the increasing availability and capacity of High …

Drivers for mass and momentum exchange between the main channel and river bank lateral cavities

P Ouro, C Juez, M Franca - Advances in Water Resources, 2020 - Elsevier
Abstract Large-Eddy Simulations (LES) are used to investigate the governing processes
involved in mass and momentum transfer between the flow in the main channel and …

Asymmetric wake of a horizontal cylinder in close proximity to a solid boundary for Reynolds numbers in the subcritical turbulence regime

P Ouro, V Muhawenimana, CAME Wilson - Physical Review Fluids, 2019 - APS
The near-wake dynamics developed behind a horizontal cylinder with wall proximity effects
are elucidated from laboratory experiments and large-eddy simulations (LES). Fixed vertical …

Effect of bridge abutment length on turbulence structure and flow through the opening

K Vui Chua, B Fraga, T Stoesser… - Journal of Hydraulic …, 2019 - ascelibrary.org
The method of large eddy simulation (LES) was employed to investigate the flow and
turbulence structure around bridge abutments of different lengths placed in a compound …

Modelling an energetic tidal strait: investigating implications of common numerical configuration choices

L Mackie, PS Evans, MJ Harrold, OD Tim… - Applied Ocean …, 2021 - Elsevier
Abstract Representation of the marine environment is key for reliable coastal hydrodynamic
models. This study investigates the implications of common depth-averaged model …

Midchannel islands in lowland river corridors and their impacts on flow structure and morphology: A numerical based conceptual analysis

N Heidari, O Yagci, M Aksel - Ecological Engineering, 2021 - Elsevier
Midchannel islands (MCIs) are influential geomorphic units in regulating morphological and
ecological dynamics in sand-dominated rivers. The primary objectives of the study were to …

Scale effects investigation in physical modeling of recirculating shallow flow using large Eddy simulation technique

RA Tartandyo, BM Ginting, J Zulfan - Journal of Applied Fluid …, 2023 - jafmonline.net
In this study, the Large Eddy Simulation (LES) model in OpenFOAM was used to investigate
the scale effects in the physical modeling of recirculating shallow flow at low Froude …

Wake flow patterns and turbulence around naturally deposited and installed trees in a gravel bed river

I Schnauder, C Anlanger, K Koll - International Review of …, 2022 - Wiley Online Library
Large wood structures, such as wood fragments, debris jams, or entire trees, create flow and
habitat diversity in rivers. A key flow feature associated with such structures is the wake …

Experimental investigation of turbulent flow in a rotating straight channel with continuous ribs

H Li, H You, R You, Z Tao - Physics of Fluids, 2020 - pubs.aip.org
We experimentally study the combined effects of continuous ribs and rotations constructed in
a square duct on the turbulent flows and flow separation. The ribs obstruct the channel by …