Wind turbine wake properties: Comparison between a non-rotating simplified wind turbine model and a rotating model

S Aubrun, S Loyer, PE Hancock, P Hayden - Journal of Wind Engineering …, 2013 - Elsevier
Experimental results on the wake properties of a non-rotating simplified wind turbine model,
based on the actuator disc concept, and a rotating model, a three-blade wind turbine, are …

Spatial study of the wake meandering using modelled wind turbines in a wind tunnel

G Espana, S Aubrun, S Loyer, P Devinant - Wind Energy, 2011 - Wiley Online Library
The present paper presents a study of the wake meandering phenomenon with the help of
physical modelling in atmospheric boundary layer (ABL) wind tunnel. The wind turbine is …

Wind tunnel study of the wake meandering downstream of a modelled wind turbine as an effect of large scale turbulent eddies

G Espana, S Aubrun, S Loyer, P Devinant - Journal of Wind Engineering …, 2012 - Elsevier
Experimental results on the unsteady behaviour of the wake of a modelled wind turbine in
an atmospheric boundary layer (ABL) wind tunnel are presented. Tests were performed by …

Determination of real-time predictors of the wind turbine wake meandering

YA Muller, S Aubrun, C Masson - Experiments in Fluids, 2015 - Springer
The present work proposes an experimental methodology to characterize the unsteady
properties of a wind turbine wake, called meandering, and particularly its ability to follow the …

Experimental comparison of a wind-turbine and of an actuator-disc near wake

LEM Lignarolo, D Ragni, CJ Ferreira… - Journal of Renewable …, 2016 - pubs.aip.org
The actuator disc (AD) model is commonly used to simplify the simulation of horizontal-axis
wind-turbine aerodynamics. The limitations of this approach in reproducing the wake losses …

Reaching the betz limit experimentally and numerically

MH Ranjbar, SA Nasrazadani… - Energy Equipment …, 2019 - energyequipsys.com
The Betz theory expresses that no horizontal axis wind turbine can extract more than 16/27
(59.3%) of the kinetic energy of the wind. The factor 16/27 (0.593) is known as the Betz limit …

Synthetic atmospheric turbulence and wind shear in large eddy simulations of wind turbine wakes

RE Keck, R Mikkelsen, N Troldborg, M de Maré… - Wind …, 2014 - Wiley Online Library
ABSTRACT A method of generating a synthetic ambient wind field in neutral atmosphere is
described and verified for modelling the effect of wind shear and turbulence on a wind …

Kinetic energy entrainment in wind turbine and actuator disc wakes: an experimental analysis

LEM Lignarolo, D Ragni, CJS Ferreira… - Journal of Physics …, 2014 - iopscience.iop.org
The present experimental study focuses on the comparison between the wake of a two-
bladed wind turbine and the one of an actuator disk. The flow field at the middle plane of the …

A study of the performance benefits of closely-spaced lateral wind farm configurations

S McTavish, D Feszty, F Nitzsche - Renewable energy, 2013 - Elsevier
Scaled wind turbine experiments were conducted in order to evaluate the beneficial effect of
closely-spaced lateral wind turbine configurations on the performance of a wind farm. Two …

Effects of inflow boundary layer on the wake of a radially non-uniform porous disk

A Abdulrahim, MT Akpolat, A Hassanein… - Journal of Renewable …, 2021 - pubs.aip.org
This study presents the results of an experimental investigation focusing on the effects of the
inflow boundary layer on the wake characteristics of a 0.12 m diameter porous disk with …