A review on the meandering of wind turbine wakes
X Yang, F Sotiropoulos - Energies, 2019 - mdpi.com
Meandering describes the large-scale, low frequency motions of wind turbine wakes, which
could determine wake recovery rates, impact the loads exerted on turbine structures, and …
could determine wake recovery rates, impact the loads exerted on turbine structures, and …
Wall model based on neural networks for LES of turbulent flows over periodic hills
In this work, a data-driven wall model for turbulent flows over periodic hills is developed
using the feedforward neural network (FNN) and data from wall-resolved large-eddy …
using the feedforward neural network (FNN) and data from wall-resolved large-eddy …
Large-eddy simulation of a utility-scale wind farm in complex terrain
X Yang, M Pakula, F Sotiropoulos - Applied energy, 2018 - Elsevier
Site-specific wind farm design must take into account the effects of site-specific terrain
topography. Large-eddy simulation (LES) is a promising approach for simulating the site …
topography. Large-eddy simulation (LES) is a promising approach for simulating the site …
Performance and resilience of hydrokinetic turbine arrays under large migrating fluvial bedforms
The deployment of in-stream flow-energy converters in rivers is an opportunity to expand the
renewable energy portfolio and limit carbon emissions. Device performance and lifetime …
renewable energy portfolio and limit carbon emissions. Device performance and lifetime …
Multiscale analysis of a very long wind turbine wake in an atmospheric boundary layer
F Zhang, X Yang, G He - Physical Review Fluids, 2023 - APS
In this paper, we investigate the dynamics of a wind turbine wake for three different ground
surface roughness lengths, ie, k 0= 0.001, 0.01, 0.1 m. The computational domain is very …
surface roughness lengths, ie, k 0= 0.001, 0.01, 0.1 m. The computational domain is very …
Wake characteristics in high solidity horizontal axis hydrokinetic turbines: A comparative study between experimental techniques and numerical simulations
Hydrokinetic turbines utilizing renewable energy from water streams, such as tidal or river
currents, offer a sustainable solution for electricity generation in remote coastal or fluvial …
currents, offer a sustainable solution for electricity generation in remote coastal or fluvial …
Scour processes around a mono-pile foundation under bi-directional flow considering effects from a rotating turbine
X Lin, J Zhang, D Guan, J Zheng, H Wang, B Liu - Ocean Engineering, 2023 - Elsevier
Tidal stream turbines are attracting increasing attention these days, but only limited
researches focus on the local scour around these devices. Laboratory tests are conducted in …
researches focus on the local scour around these devices. Laboratory tests are conducted in …
[HTML][HTML] Wall-resolved large-eddy simulation of turbulent channel flows with rough walls
S Li, X Yang, G Jin, G He - Theoretical and Applied Mechanics Letters, 2021 - Elsevier
Turbulent flows over rough surfaces widely exist in nature and industry. Investigating its
mechanism is of theoretical and practical significance. In this work we simulate the turbulent …
mechanism is of theoretical and practical significance. In this work we simulate the turbulent …
On the morphodynamics of a wide class of large‐scale meandering rivers: insights gained by coupling LES with sediment‐dynamics
In meandering rivers, interactions between flow, sediment transport, and bed topography
affect diverse processes, including bedform development and channel migration. Predicting …
affect diverse processes, including bedform development and channel migration. Predicting …
Reynolds number effect on statistics of turbulent flows over periodic hills
The wall-resolved large-eddy simulations of turbulent flows over periodic hills are carried out
to study the Reynolds number effect on flow statistics. Five different Reynolds numbers …
to study the Reynolds number effect on flow statistics. Five different Reynolds numbers …