Wakes of rotorcraft in advancing flight: A large-eddy simulation study

DG Caprace, P Chatelain, G Winckelmans - Physics of Fluids, 2020 - pubs.aip.org
We perform the large-eddy simulation of the flow past a helicopter rotor to support the
investigation of rotorcraft wake characteristics and decay mechanisms. A hybrid Lagrangian …

Effects of rotor-airframe interaction on the aeromechanics and wake of a quadcopter in forward flight

DG Caprace, A Ning, P Chatelain… - Aerospace Science and …, 2022 - Elsevier
From small drones to large Urban Air Mobility vehicles, the market of vertical take-off and
landing (VTOL) aircraft is currently booming. Modern VTOL designs feature a variety of …

Large-eddy simulation of wind turbines wakes including geometrical effects

P Bénard, A Viré, V Moureau, G Lartigue, L Beaudet… - Computers & …, 2018 - Elsevier
Accurate simulation of wind turbine wakes is critical for the optimization of turbine efficiency
and prediction of fatigue loads. These wakes are three-dimensional, complex, unsteady and …

[PDF][PDF] Effective parameters optimization of a small scale Gorlov wind turbine, using CFD method

M Akhlagi, F Ghafoorian, M Mehrpooya… - Iran. J. Chem. Chem. Eng …, 2023 - sid.ir
In the present study, a Gorlov Vertical Axis Wind Turbine (VAWT) in small dimensions was
numerically simulated using the Computational Fluid Dynamics (CFD) method. The purpose …

On the wake deflection of vertical axis wind turbines by pitched blades

M Huang, A Sciacchitano, C Ferreira - Wind Energy, 2023 - Wiley Online Library
Wake losses are a critical consideration in wind farm design. The ability to steer and deform
wakes can result in increased wind farm power density and reduced energy costs and can …

An immersed lifting and dragging line model for the vortex particle-mesh method

DG Caprace, G Winckelmans, P Chatelain - … and Computational Fluid …, 2020 - Springer
The numerical study of the wake of full-scale slender devices such as aircraft wings and
wind turbine blades requires high-fidelity large eddy simulation tools. The broad spectrum of …

Increasing the efficiency of vertical-axis turbines through improved blade support structures

T Villeneuve, G Winckelmans, G Dumas - Renewable Energy, 2021 - Elsevier
The impact of the blade support structures (the struts) on the performance of vertical-axis
turbines at a high Reynolds number is investigated here. Numerical simulations of a single …

Lifting line with various mollifications: theory and application to an elliptical wing

DG Caprace, P Chatelain, G Winckelmans - AIAA Journal, 2019 - arc.aiaa.org
Building on the well-known Prandtl lifting line, this work proposes an extended framework for
mollified lifting lines, which is valid for multidimensional Gaussian smoothings. The …

Improving the efficiency and the wake recovery rate of vertical-axis turbines using detached end-plates

T Villeneuve, M Boudreau, G Dumas - Renewable energy, 2020 - Elsevier
In the present work, Delayed Detached-Eddy Simulations (DDES) are conducted to evaluate
the performance of an H-Darrieus vertical-axis turbine with detached end-plates, namely …

Impact of some design considerations on the wake recovery of vertical-axis turbines

T Villeneuve, G Dumas - Renewable Energy, 2021 - Elsevier
Using delayed detached-eddy simulations, the objective of this paper is to show the effects
of some design parameters on the wake recovery of vertical-axis turbines. To that end, the …