31 citations · 69 across the 17 of their papers we have counts for
18 papers
Wind farm global blockage as an adverse pressure gradient problem: turbulence amplification and spectral modification in the induction region of a model wind farm
Adrian T. McGlade, Oliver R. H. Buxton
The induction region of a model wind farm is investigated experimentally as an adverse pressure gradient (APG) turbulent boundary layer problem, using hot-wire anemometry. An array…
Dissipation scaling in wind turbine wakes exposed to free-stream turbulence
Martin Bourhis, Oliver R. H. Buxton
The nature of the dissipation of turbulent kinetic energy (TKE) is investigated experimentally in the wake of a diameter m wind turbine exposed to several ``flavours'' of h…
Inter-turbine spacing and flow unsteadiness effects on wake-induced blade dynamics
Francisco J. G. de Oliveira, Adrian T. McGlade, Zahra Sharif Khodaei +1
Wind turbines operating downstream of others in a farm are routinely exposed to waked inflow, with reduced mean velocity and elevated turbulence driving power deficits and addition…
Cross-correlating blade--wake dynamics for a model wind turbine
Francisco J. G. de Oliveira, Zahra Sharif Khoadei, Oliver R. H. Buxton
Understanding how wakes interact with wind turbine blades under varying operating and inflow conditions is essential for improving fatigue prediction and performance assessment in…
Wind-turbine wake effects on the rate of accumulation of fatigue damage in overhead conductors
Francisco J. G. de Oliveira, Kevin Gouder, Zahra Sharif Khodaei +1
Guidance relating to the safe distance within which overhead conductors (OHCs) should not be built with respect to a wind turbine, and vice versa, varies from country to country. I…
The effect of tip-speed ratio and free-stream turbulence on the coupled wind turbine blade/wake dynamics
Francisco J. G. de Oliveira, Martin Bourhis, Zahra Sharif Khodaei +1
Wind turbines operating within wind farms experience complex aerodynamic loading arising from the interplay between wake-induced velocity deficits, enhanced turbulence, and varying…
Computational and Experimental Comparison of CLF5605 and roamx-0201 Martian Helicopter Rotor Airfoils
Lidia Caros, Witold J. F. Koning, Takayuki Nagata +7
This study compares aerodynamic performance of the CLF5605 rotor airfoil -- which flew on Ingenuity from 2021 to 2024 -- with that of a new optimized roamx-0201 airfoil designed fo…
Geographic variability in reanalysis wind speed biases: A high-resolution bias correction approach for UK wind energy
Yan Wang, Simon C. Warder, Ellyess F. Benmoufok +4
Reanalysis datasets have become indispensable tools for wind resource assessment and wind power simulation, offering long-term and spatially continuous wind fields across large reg…
Effect of freestream turbulence on the coherent dynamics of a wind turbine wake
Neelakash Biswas, Oliver R. H. Buxton
The wake of a model wind turbine exposed to incoming freestream turbulence (FST) with a variety of turbulent characteristics is studied through Particle Image Velocimetry experimen…
Impact of freestream turbulence and thrust coefficient on wind turbine-generated wakes
Martin Bourhis, Thomas Messmer, Michael Hölling +1
This study investigates how variations in freestream turbulence (FST) and the thrust coefficient () influence wind turbine wakes. Wakes generated at …
The influence of free-stream turbulence on the fluctuating loads experienced by a cylinder exposed to a turbulent cross-flow
Francisco J. G. de Oliveira, Zahra Sharif Khodaei, Oliver R. H. Buxton
The impact of several of free-stream turbulence (FST) on the structural response of a cantilevered cylinder, subjected to a turbulent cross-flow is investigate…
Influence of freestream turbulence and porosity on porous disc-generated wakes
Martin Bourhis, O. R. H. Buxton
This study aims to evaluate the effect of freestream turbulence (FST) on wakes produced by discs with different porosity. The wakes are exposed to various freestream turbulence "fl…
Energy exchanges between coherent modes in the near wake of a rotor model at different tip speed ratios
Neelakash Biswas, Oliver R. H. Buxton
In this work we investigate the spatio-temporal nature of various coherent modes present in a rotor wake using a combination of new PIV experiments and data from Biswas and Buxton…
A fast-running physics-based wake model for a semi-infinite wind farm
Majid Bastankhah, Mohammad Mehdi Mohammadi, Charlie Lees +3
This paper presents a new generation of fast-running physics-based models to predict the wake of a semi-infinite wind farm, extending infinitely in the lateral direction but with f…
Effect of tip speed ratio on multiscale coherent dynamics in the near wake of a model wind turbine
Neelakash Biswas, Oliver R. H. Buxton
The near wake of a small-scale wind turbine is investigated using Particle Image Velocimetry (PIV) experiments at different tip speed ratios (). The wind turbine model had a nac…
The influence of freestream turbulence on the near-field growth of a turbulent cylinder wake: turbulent entrainment and wake meandering
Krishna S Kankanwadi, Oliver R. H. Buxton
The effect of freestream turbulence on the spreading of the near wake of a circular cylinder is investigated through particle image velocimetry (PIV) data. Different ``flavours'' o…
Spatial evolution of the turbulent/turbulent interface geometry in a cylinder wake
Jiangang Chen, Oliver R. H. Buxton
This study aims to examine the spatial evolution of the geometrical features of the turbulent/turbulent interface (TTI) in a cylinder wake. The wake is exposed to various turbulent…
Investigation of wakes generated by fractal plates in the compressible flow regime using large-eddy simulations
Omar Es-Sahli, Adrian Sescu, Mohammed Z. Afsar +1
We investigate flows interacting with a square and a fractal shape multi-scale structures in the compressible regime for Mach numbers at subsonic and supersonic upstream conditions…