Smart Rotors: Dynamic-Stall Load Control by Means of an Actuated Flap

This study focuses on an active strategy for unsteady-load control by means of a trailing-edge flap. Experiments on a 2D pitching and heaving NACA 0018 airfoil with an actuated trailing-edge flap a...

[1]  Jin Tso,et al.  Control of VR-7 Dynamic Stall by Strong Steady Blowing , 2004 .

[2]  W. Shyy,et al.  Aerodynamics of Low Reynolds Number Flyers , 2007 .

[3]  Richard K. Fisher,et al.  Rotor High Speed Performance, Theory vs. Test , 1970 .

[4]  Ken Badcock,et al.  Computational Fluid Dynamics Study of Three-Dimensional Dynamic Stall of Various Planform Shapes , 2007 .

[5]  T. Corke,et al.  Separation Control Using Plasma Actuators: Dynamic Stall Vortex Control on Oscillating Airfoil , 2006 .

[6]  Tim Lee,et al.  Dynamic Stall Flow Control via a Trailing-Edge Flap , 2006 .

[7]  A. Strauß.  Theory Of Wing Sections Including A Summary Of Airfoil Data , 2016 .

[8]  A. Hansen,et al.  Aerodynamics of Horizontal-Axis Wind Turbines , 1993 .

[9]  Niels Kjølstad Poulsen,et al.  Full‐scale test of trailing edge flaps on a Vestas V27 wind turbine: active load reduction and system identification , 2014 .

[10]  T. Corke,et al.  Sensing and control of flow separation using plasma actuators , 2011, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.

[11]  W. A. Timmer.  Two-Dimensional Low-Reynolds Number Wind Tunnel Results for Airfoil NACA 0018 , 2008 .

[12]  Wei Shyy,et al.  Shallow and deep dynamic stall for flapping low Reynolds number airfoils , 2009 .

[13]  Thomas Corke,et al.  Dynamic Stall in Pitching Airfoils: Aerodynamic Damping and Compressibility Effects , 2015 .

[14]  Redstone Arsenal,et al.  Passive Control of Compressible Dynamic Stall , 2008 .

[15]  Israel J Wygnanski,et al.  Dynamic stall control by periodic excitation, Part 1: NACA 0015 parametric study , 2001 .

[16]  Sesi Kottapalli.  Enhanced Correlation of SMART Active Flap Rotor Loads , 2011 .

[17]  Stefano Discetti,et al.  POD-based Background Removal for Particle Image Velocimetry , 2017 .

[18]  T. Corke,et al.  Closed-Loop Dynamic Stall Control Using a Plasma Actuator , 2012 .

[19]  Friedrich K. Straub,et al.  SMART Rotor Development and Wind Tunnel Test , 2009 .

[20]  Markus Raffel,et al.  Dynamic Stall Control by Passive Disturbance Generators , 2013 .

[21]  E. A. Gillies,et al.  Alleviation of Airfoil Dynamic Stall Moments via Trailing-Edge-Flap Flow Control , 2004 .

[22]  Brian E. Wake,et al.  Parametric Analysis of Directed-Synthetic Jets for Improved Dynamic-Stall Performance , 2003 .

[23]  Tim Lee,et al.  Unsteady airfoil with a harmonically deflected trailing-edge flap , 2011 .

[24]  John A. Ekaterinaris,et al.  Numerical Investigations of Dynamic Stall Active Control for Incompressible and Compressible Flows , 2000 .

[25]  G.A.M. van Kuik,et al.  Review of state of the art in smart rotor control research for wind turbines , 2010 .

[26]  Anthony Donald Gardner,et al.  Dynamic Stall Simulations on a Pitching Finite Wing , 2016 .

[27]  J. Westerweel.  Fundamentals of digital particle image velocimetry , 1997 .

[28]  Tim Lee,et al.  Active Trailing-Edge Flap Control of Oscillating-Wing Tip Vortex , 2006 .

[29]  Tim Lee,et al.  Trailing-Edge Flap Control of Dynamic Pitching Moment , 2007 .

[30]  S. R. Sheikh,et al.  Dynamic stall suppression on an oscillating airfoil by steady and unsteady tangential blowing , 1999 .

[31]  D. Ragni,et al.  Experimental analysis of the wake of a horizontal-axis wind-turbine model , 2014 .

[32]  Adam C. Miller,et al.  Effects of Active and Passive Flow Control on Dynamic-Stall Vortex Formation , 2004 .

[33]  M. Ol,et al.  Unsteady force generation and vortex dynamics of pitching and plunging aerofoils , 2012, Journal of Fluid Mechanics.

[34]  F. J. Tarzanin,et al.  Prediction of Control Loads Due to Blade Stall , 1972 .

[35]  H. Babinsky,et al.  Lift and the leading-edge vortex , 2013, Journal of Fluid Mechanics.

[36]  W. H. Young.  Fluid mechanics mechanisms in the stall process of helicopters , 1981 .

[37]  Tim Lee,et al.  PIV study of flow around unsteady airfoil with dynamic trailing-edge flap deflection , 2008 .

[38]  Cameron Tropea,et al.  The manipulation of trailing-edge vortices for an airfoil in plunging motion , 2010 .

[39]  Robert J. Moffat,et al.  Describing the Uncertainties in Experimental Results , 1988 .

[40]  T. Theodorsen.  General Theory of Aerodynamic Instability and the Mechanism of Flutter , 1934 .