Control of thick airfoil, deep dynamic stall using steady blowing

HF Müller-Vahl, C Strangfeld, CN Nayeri… - AIAA journal, 2015 - arc.aiaa.org
The utility of constant blowing as an aerodynamic load control concept for wind turbine
blades was explored experimentally. A NACA 0018 airfoil model equipped with control slots …

Dynamic stall control via adaptive blowing

HF Müller-Vahl, CN Nayeri, CO Paschereit… - Renewable Energy, 2016 - Elsevier
An aerodynamic load control concept termed “adaptive blowing” was successfully tested on
a NACA 0018 airfoil model at Reynolds numbers ranging from 1.5· 10 5 to 5· 10 5. The …

Model free adaptive control of large and flexible wind turbine rotors with controllable flaps

J Li, Y Wang, X Zhao, P Qi - Renewable Energy, 2021 - Elsevier
This paper investigates the dynamic load alleviation in large and flexible horizontal axis
wind turbine rotors with trailing edge flaps, actuated through a novel proportional-derivative …

A smart rotor configuration with linear quadratic control of adaptive trailing edge flaps for active load alleviation

L Bergami, NK Poulsen - Wind Energy, 2015 - Wiley Online Library
The paper proposes a smart rotor configuration where adaptive trailing edge flaps (ATEFs)
are employed for active alleviation of the aerodynamic loads on the blades of the NREL 5 …

Aeroservoelastic state‐space vortex lattice modeling and load alleviation of wind turbine blades

BF Ng, H Hesse, R Palacios, JMR Graham… - Wind …, 2015 - Wiley Online Library
An aeroservoelastic model, capturing the structural response and the unsteady
aerodynamics of turbine rotors, will be used to demonstrate the potential of active load …

Aeroelastic load control of large and flexible wind turbines through mechanically driven flaps

X Wei, BF Ng, X Zhao - Journal of the Franklin Institute, 2019 - Elsevier
The load reduction of the wind turbine through the use of flaps actuated through novel
mechanical network is studied. The aeroservoelastic model of the wind turbine couples the …

SMART wind turbine rotor: design and field test

JC Berg, BR Resor, JA Paquette, JR White - 2014 - osti.gov
Data analysis and conclusions from the SMART Rotor project, a wind turbine rotor with
integrated trailing-edge flaps designed fo Page 1 SANDIA REPORT SAND2014-0681 Unlimited …

SMART wind turbine rotor. Data analysis and conclusions

JC Berg, MF Barone, NC Yoder - 2014 - osti.gov
The Wind Energy Technologies department at Sandia National Laboratories has developed
and field tested a wind turbine rotor with integrated trailing-edge flaps designed for active …

Effect of smart rotor control using a deformable trailing edge flap on load reduction under normal and extreme turbulence

W Yu, MM Zhang, JZ Xu - Energies, 2012 - mdpi.com
This paper presents a newly developed aero-servo-elastic platform for implementing smart
rotor control and shows its effectiveness with aerodynamic loads on large-scale offshore …

Design and simulation of active external trailing-edge flaps for wind turbine blades on load reduction

X Sun, Q Dai, M Menon, F Ponta - Journal of Aerospace …, 2017 - ascelibrary.org
A smart material–based active external trailing-edge flap was designed for wind turbine
blades in this study. Its vibration-fatigue load reduction potential was evaluated during …