Multipoint high-fidelity CFD-based aerodynamic shape optimization of a 10 MW wind turbine

MHA Madsen, F Zahle, NN Sørensen… - Wind Energy …, 2019 - wes.copernicus.org
The wind energy industry relies heavily on computational fluid dynamics (CFD) to analyze
new turbine designs. To utilize CFD earlier in the design process, where lower-fidelity …

Effect of inflow turbulence on an airfoil flow with laminar separation bubble: An LES study

M Breuer - Flow, Turbulence and Combustion, 2018 - Springer
The present paper is concerned with numerical investigations on the effect of inflow
turbulence on the flow around a SD7003 airfoil. At a Reynolds number Re c= 60,000, an …

Investigation of laminar–turbulent transition on a rotating wind-turbine blade of multimegawatt class with thermography and microphone array

T Reichstein, AP Schaffarczyk, C Dollinger… - Energies, 2019 - mdpi.com
Knowledge about laminar–turbulent transition on operating multi megawatt wind turbine
(WT) blades needs sophisticated equipment like hot films or microphone arrays. Contrarily …

Influence of Reynolds number on the natural transition of boundary layers over underwater axisymmetric bodies

J Liu, J Liu, Y Zhang - Physics of Fluids, 2023 - pubs.aip.org
The influence of the Reynolds number on the natural transition of boundary layers over
underwater axisymmetric bodies is studied using numerical approaches. This is a …

Analysis of novel morphing trailing edge flap actuated by multistable laminates

A Haldar, E Jansen, B Hofmeister, M Bruns, R Rolfes - AIAA Journal, 2020 - arc.aiaa.org
This paper presents an analysis of a novel morphing trailing edge flap design for a wind
turbine rotor blade with embedded multistable composite plates. Morphing trailing edge …

[HTML][HTML] Local correlation-based transition models for high-Reynolds-number wind-turbine airfoils

YS Jung, G Vijayakumar, S Ananthan… - Wind Energy …, 2022 - wes.copernicus.org
Modern wind-turbine airfoil design requires robust performance predictions for varying
thicknesses, shapes, and appropriate Reynolds numbers. The airfoils of current large …

[HTML][HTML] On the laminar–turbulent transition mechanism on megawatt wind turbine blades operating in atmospheric flow

BA Lobo, ÖS Özçakmak, HA Madsen… - Wind Energy …, 2023 - wes.copernicus.org
Among a few field experiments on wind turbines for analyzing laminar–turbulent boundary
layer transition, the results obtained from the DAN-AERO and aerodynamic glove projects …

Laminar-turbulent transition characteristics of a 3-D wind turbine rotor blade based on experiments and computations

ÖS Özçakmak, HA Madsen… - Wind Energy …, 2020 - wes.copernicus.org
Laminar-turbulent transition behaviour of a wind turbine blade section is investigated in this
study by means of field experiments and 3-D computational fluid dynamics (CFD) rotor …

Ram‐air kite airfoil and reinforcements optimization for airborne wind energy applications

P Thedens, G de Oliveira, R Schmehl - Wind Energy, 2019 - Wiley Online Library
We present a multidisciplinary design optimization method for the profile and structural
reinforcement layout of a ram‐air kite rib. The aim is to minimize the structural elastic energy …

Experimental analysis of the performance of a wind-turbine airfoil using temperature-sensitive paint

M Costantini, C Fuchs, U Henne, C Klein, V Ondruš… - AIAA Journal, 2021 - arc.aiaa.org
Knowledge on the boundary-layer transition location at large chord Reynolds numbers is
essential to evaluate the performance of airfoils designed for modern wind-turbine rotor …