Quantifying structural uncertainties in Reynolds-averaged Navier–Stokes simulations of wind turbine wakes
SD Hornshøj-Møller, PD Nielsen, P Forooghi… - Renewable Energy, 2021 - Elsevier
Abstract Reynolds-averaged Navier Stokes (RANS) based modeling is considered the
mainstream computational fluid dynamics (CFD) approach for wind energy applications …
mainstream computational fluid dynamics (CFD) approach for wind energy applications …
Numerical investigations of vortex dynamics and loss generation in the corner separation region of a high subsonic compressor blade
M Wang, X Lu, S Zhao, Y Zhang - Physics of Fluids, 2023 - pubs.aip.org
Three-dimensional corner separation seriously deteriorates the aerodynamic performance
of a compressor blade. In this study, the complicated vortex dynamics and loss mechanism …
of a compressor blade. In this study, the complicated vortex dynamics and loss mechanism …
Quantification of wake shape modulation and deflection for tilt and yaw misaligned wind turbines
Misaligned wind turbine rotors redirect the wake, and manipulate the wake shape by
introducing a counter-rotating vortex pair. This mechanism is of great interest for improving …
introducing a counter-rotating vortex pair. This mechanism is of great interest for improving …
Comparison of DDES and URANS for unsteady tip leakage flow in an axial compressor rotor
Y Liu, L Zhong, L Lu - Journal of Fluids Engineering, 2019 - asmedigitalcollection.asme.org
Tip leakage vortex (TLV) has a large impact on compressor performance and should be
accurately predicted by computational fluid dynamics (CFD) methods. New approaches of …
accurately predicted by computational fluid dynamics (CFD) methods. New approaches of …
Numerical investigation of corner separation flow using Spalart-Allmaras model with various modifications
W Li, Y Liu - Aerospace Science and Technology, 2022 - Elsevier
Three-dimensional corner separation is an inherent flow feature in axial compressors which
blocks flow path and worsens the performance. To find an effective turbulence model for …
blocks flow path and worsens the performance. To find an effective turbulence model for …
Mean kinetic energy transport and event classification in a model wind turbine array versus an array of porous disks: Energy budget and octant analysis
EH Camp, RB Cal - Physical Review Fluids, 2016 - APS
An array of model rotating wind turbines is compared experimentally to an array of static
porous disks in order to quantify the similarities and differences in the mean kinetic energy …
porous disks in order to quantify the similarities and differences in the mean kinetic energy …
Investigation of unsteady rotor–stator interaction and deterministic correlation analysis in a transonic compressor stage
Unsteady blade row interaction (UBRI) has a large impact on performance in high-speed
axial compressors. Thus, the influence of UBRI should be accurately predicted in …
axial compressors. Thus, the influence of UBRI should be accurately predicted in …
Large eddy simulations of flow past an inclined circular cylinder: Insights into the three-dimensional effect
The flow past an inclined cylinder is simulated using large eddy simulations to study the
three-dimensional wake flow effects on the forces on the cylinder at Re= 3900. Four …
three-dimensional wake flow effects on the forces on the cylinder at Re= 3900. Four …
[HTML][HTML] Evolution of eddy viscosity in the wake of a wind turbine
The eddy viscosity hypothesis is a popular method in wind turbine wake modeling for
estimating turbulent Reynolds stresses. We document the downstream evolution of eddy …
estimating turbulent Reynolds stresses. We document the downstream evolution of eddy …
Turbulent flow structures and Reynolds stress anisotropy in an asymmetric sinuous mobile channel
In the current experimental study, turbulent flow structures and Reynolds stress anisotropy in
an asymmetric sinuous mobile channel are investigated. Experiments were conducted in a …
an asymmetric sinuous mobile channel are investigated. Experiments were conducted in a …