Active Flow Separation Control of a Laminar Airfoil at Low Reynolds Number

.......................................................................................................................... i Acknowledgments ......................................................................................................... iv VITA .............................................................................................................................. v Table of

[1]  B. J. Holmes,et al.  Natural laminar flow experiments on modern airplane surfaces , 1984 .

[2]  Mark N. Glauser,et al.  Proportional Closed-Loop Feedback Control of Flow Separation , 2007 .

[3]  Ronald Adrian,et al.  On the role of conditional averages in turbulence theory. , 1975 .

[4]  Jesse C Little,et al.  Flow Separation Control over an Airfoil with Nanosecond Pulse Driven DBD Plasma Actuators , 2011 .

[5]  Jeffrey P. Bons,et al.  Low Reynolds Number Laminar Airfoil with Active Flow Control , 2010 .

[6]  O. N. Ramesh,et al.  On the origin of the inflectional instability of a laminar separation bubble , 2009, Journal of Fluid Mechanics.

[7]  S. Balachandar,et al.  Autogeneration of near-wall vortical structures in channel flow , 1996 .

[8]  William S. Levine,et al.  The Control Handbook , 2005 .

[9]  Hermann F. Fasel,et al.  Control-Oriented Proper Orthogonal Decomposition Models for Unsteady Flows , 2007 .

[10]  Wolfgang Balzer,et al.  Control of laminar separation using pulsed vortex generator jets: direct numerical simulations , 2011, Journal of Fluid Mechanics.

[11]  T. Mueller,et al.  Experimental Studies of Separation on a Two-Dimensional Airfoil at Low Reynolds Numbers , 1982 .

[12]  F. O. Thomas.  Structure of Mixing Layers and Jets , 1991 .

[13]  Tony L. Wahl,et al.  Experimentation and Uncertainty Analysis for Engineers, 2nd Ed. , 1999 .

[15]  M. S. Chong,et al.  A general classification of three-dimensional flow fields , 1990 .

[16]  I. Wygnanski,et al.  Delay of Airfoil Stall by Periodic Excitation , 1996 .

[17]  A. Serrani,et al.  Development of Empirical Estimators for Feedback Control of Axisymmetric Jets , 2010 .

[18]  Joseph Katz,et al.  The structure of a jet in cross flow at low velocity ratios , 2004 .

[19]  H. Helin,et al.  Unsteady Surface Pressure Measurements on a Pitching Airfoil , 1985 .

[20]  Ari Glezer,et al.  Transient Separation Control Using Pulse-Combustion Actuation , 2006 .

[21]  J. Bons,et al.  Reynolds Number Scalability for Separation Control on a Laminar Airfoil , 2011 .

[22]  Kelly Cohen,et al.  Simulation of a Feedback-Controlled Cylinder Wake Using Double Proper Orthogonal Decomposition , 2007 .

[23]  Tee Tai Lim,et al.  On the development of large-scale structures of a jet normal to a cross flow , 2001 .

[24]  R. Volino.  Separation Control on Low-Pressure Turbine Airfoils Using Synthetic Vortex Generator Jets , 2003 .

[25]  A. Oyama,et al.  LES Study of Feedback-loop Mechanism of Supersonic Open Cavity Flows , 2010 .

[26]  Lars Henning,et al.  Robust and Adaptive Closed-loop Control of Separated Shear Flows , 2004 .

[27]  Y. Kamotani,et al.  Experiments on confined turbulent jets in cross flow. [longitudinal and transverse distributions of velocity and temperature for jet flow] , 1973 .

[28]  Doyle Knight,et al.  Effects of compressibility, pitch rate, and Reynolds number on unsteady incipient leading-edge boundary layer separation over a pitching airfoil , 1996, Journal of Fluid Mechanics.

[29]  T. Mueller,et al.  Laminar Separation, Transition, and Turbulent Reattachment near the Leading Edge of Airfoils , 1980 .

[30]  Stefan Siegel,et al.  Reduced Order Modeling for Closed-Loop Control of Three Dimensional Wakes , 2006 .

[31]  Jeffrey P. Bons,et al.  Combined Unsteady Wakes and Active Flow Control on a Low-Pressure Turbine Airfoil , 2011 .

[32]  Eric Moreau,et al.  On the benefits of hysteresis effects for closed-loop separation control using plasma actuation , 2011 .

[33]  Hiroyuki ABE,et al.  TOWARD SMART CONTROL OF SEPARATION AROUND A WING , 2004 .

[34]  Michael Amitay,et al.  CONTROLLED TRANSIENTS OF FLOW REATTACHMENT OVER STALLED AIRFOILS , 2002, Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena.

[35]  A. Serrani,et al.  Feedback control of subsonic cavity flows using reduced-order models , 2007, Journal of Fluid Mechanics.

[36]  Jonathan C. Mattingly,et al.  Low-dimensional models of coherent structures in turbulence , 1997 .

[37]  Othon Rediniotis,et al.  An Experimental Investigation on the Effects of Pulsed Air Blowing Separation Control on NACA 0015 , 2008 .

[38]  Andrea Serrani,et al.  Towards Feedback Control of High-Speed and High-Reynolds-Number Jets , 2008 .

[39]  A. Roshko,et al.  Vortical structure in the wake of a transverse jet , 1994, Journal of Fluid Mechanics.

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

[41]  Hermann F. Fasel,et al.  Experimental Investigation of Separation and Separation Control on a Laminar Airfoil , 2008 .

[42]  Victor V. Kozlov,et al.  Laminar boundary layer separation: Instability and associated phenomena , 1994 .

[43]  Johnathan Green.  Laminar Flow Control - Back to the Future? , 2008 .

[44]  Tim Colonius,et al.  Unsteady Lift Suppression with a Robust Closed Loop Controller , 2010 .

[45]  Carl P. Tilmann,et al.  Closed-Loop Stall Control System , 2010 .

[46]  Christian Cierpka,et al.  Electromagnetic Control of Separated Flows Using Periodic Excitation with Different Wave Forms , 2007 .

[47]  T. Mueller,et al.  Laminar separation bubble characteristics on an airfoil at low Reynolds numbers , 1987 .

[48]  Wolfgang Balzer,et al.  Direct numerical simulation of laminar boundary-layer separation and separation control on the suction side of an airfoil at low Reynolds number conditions , 2010 .

[49]  A. Gross,et al.  Investigations of an airfoil at low Reynolds number conditions , 2008 .

[50]  T. Siikonen,et al.  Large-Eddy Simulation of a Round Jet in a Cross-Flow , 2006 .

[51]  J. Anderson,et al.  Fundamentals of Aerodynamics , 1984 .

[52]  Robert King,et al.  Adaptive Closed-Loop Separation Control on a High-Lift Configuration Using Extremum Seeking , 2006 .

[53]  Z. C. Liu,et al.  Analysis and interpretation of instantaneous turbulent velocity fields , 2000 .

[54]  F. Hsiao,et al.  Control of wall-separated flow by internal acoustic excitation , 1990 .

[55]  Wolfgang Nitsche,et al.  Active separation control on the flap of a two-dimensional generic high-lift configuration , 2007 .

[56]  Avi Seifert,et al.  Use of Piezoelectric Actuators for Airfoil Separation Control , 1998 .

[57]  Christian T. Wakelam,et al.  Controlling Separation on a Simulated Compressor Blade Using Vortex Generator Jets , 2008 .

[58]  Lester L. Yuan,et al.  Large-eddy simulations of a round jet in crossflow , 1999, Journal of Fluid Mechanics.

[59]  Israel J Wygnanski,et al.  The control of flow separation by periodic excitation , 2000 .

[60]  B. McAuliffe,et al.  Transition Mechanisms in Separation Bubbles Under Low and Elevated Freestream Turbulence , 2007 .

[61]  A. Perry,et al.  An experimental study of round jets in cross-flow , 1996, Journal of Fluid Mechanics.