Introduction ................................................... xi
J.F. Morrison and J.-P. Bonnet
Acknowledgements ............................................... xv
MEMS DEVICES
High Power Density MEMS: Materials and Structures
Requirements .................................................... 3
S.M. Spearing
MEMS for Flow Control: Technological Facilities and MMMS
Alternatives ................................................... 15
P. Pernod, V. Preobrazhensky, A. Merlen, O. Ducloux,
A. Talbi, L. Gimeno and N. Tiercelin
MEMS-Based Electrodynamic Synthetic Jet Actuators for
Flow Control Applications ...................................... 25
J.S. Agashe, M. Sheplak, D.P Arnold and L. Cattafesta
Suction and Oscillatory Blowing Actuator ....................... 33
G. Arwatz, I. Fono and A. Seifert
Numerical Investigation of a Micro-Valve Pulsed-Jet Actuator ... 45
K.L. Kudar and P. W. Carpenter
Characterization of MEMS Pulsed Micro-Jets with Large
Nozzles ........................................................ 53
J.-L Aider, F. Harambat, J.-J. Lasserre, J.-F. Beaudoin
and C. Edouard
Magnetically Actuated Microvalves for Active Flow Control ...... 59
0. Ducloux, Y. Deblock, A. Talbi, L. Gimero,
N. Tiercelin, P. Pernod, V. Preobrazhensky and A. Merlen
Micromachined Shear Stress Sensors for Flow Control
Applications ................................................... 67
M. Sheplak, L. Cattafesta and Y. Tian
SYNTHETIC JETS
Synthetic Jets and Their Applications for Fluid/Thermal
Systems ........................................................ 77
M. Amitay
Is Helmholtz Resonance a Problem for Micro-Jet Actuators? ...... 95
D.A. Lockerby, P. W. Carpenter and C. Davies
Passive Scalar Mixing Downstream of a Synthetic Jet in
Crossflow Jet ................................................. 103
G. Mitchell, E. Benard, V. Uruba and R. Cooper
Towards a Practical Synthetic Jet Actuator for Industrial
Scale Flow Control Applications ............................... 111
L. Gomes and W. Crowther
Measurements of Synthetic Jets in a Boundary Layer ............ 119
M. Jabbal and S. Zhong
Large-Eddy Simulation of Synthetic Jets in Stagnant
Surroundings and Turbulent Cross-Flow ......................... 127
D.K.L. Wu and M.A. Leschziner
Characteristics of Small-Scale Synthetic Jets - Numerical
Investigation ................................................. 135
H. Tang and S. Zhong
Large Eddy Simulations of Transitional and Turbulent Flows
in Synthetic Jet Actuators .................................... 141
S. Patel and D. Drikakis
SEPARATION CONTROL
Model Reduction and Control of a Cavity-Driven Separated
Boundary Layer ................................................ 147
E. Akervik, J. Haepffher, U. Ehrenstein and
D.S. Henningson
Collaborative Studies on Flow Separation Control .............. 157
W.L. Siauw, J.P. Bonnet, J. Tensi, A. Seifert,
O. Stalnov, V. Kumar, F. Alvi, C.H. Atkinson,
S. Trevor and L.D. Gomes
High Resolution PIV Study of Zero-Net-Mass-Flow Lift
Enhancement of NACA 0015 Airfoil at High Angles of Attack ..... 167
T. Stephens and J. Soria
Separation Control along a NACA0015 Airfoil Using
a Dielectric Barrier Discharge Actuator ....................... 175
J. Jolibois, M. Forte and E. Moreau
Dynamic Surface Pressure Based Estimation for Flow Control .... 183
L. Ukeiley, N. Murray, Q. Song and L. Cattafesta
The Control of Laminar Separation Bubbles Using High- and
Low-Amplitude Forcing ......................................... 191
M.P Simens and J. Jimenez
Control of Subsonic Flows with High Voltage Discharges ........ 199
P. Magnier, B. Dong, D. Hong, A. Leroy-Chesneau and
J. Hureau
Control of Flow Separation on a Wing Profile Using PIV
Measurements and POD Analysis ................................. 203
J. Favier, A. Kourta and G. Leplat
Control of the Shear-Layer in the Wake of an Axisymmetric
Airfoil Using a DBD Plasma Actuator ........................... 209
M. Forte, J. Jolibois, E. Moreau, G. Touchard and
M. Cazalens
DRAG REDUCTION AND MIXING
Models for Adaptive Feedforward Control of Turbulence ......... 219
K. Breuer and K. Wu
Minimum Sustainable Drag for Constant Volume-Flux Pipe
Flows ......................................................... 229
J. Marusic, D.D. Joseph and K. Mahesh
Enhancement of Suboptimal Controllability in Wall
Turbulence .................................................... 237
O. Doche, S. Tardu and V. Kubicki
An Improvement of Opposition Control at High Reynolds
Numbers ....................................................... 243
M. Pamies, E. Gamier, P. Sagaut and A. Merlen
Direct Numerical Simulation of Alternated Spanwise
Lorentz Forcing ............................................... 251
S. Montesino, J.-P. Thibault and S. Tardu
Boundary Layer Control for Drag Reduction by Lorentz
Forcing ....................................................... 259
P. Xu and K. -S. Choi
Multi-Scale Flow Control for Efficient Mixing: Laboratory
Generation of Unsteady Multi-Scale Flows Controlled by
Multi-Scale Electromagnetic Forces ............................ 267
S. Ferrari, P. Kewcharoenwong, L. Rossi and
J.C. Vassilicos
Multi-Scale Flow Control for Efficient Mixing: Simulation
of Electro-magnetically Forced Turbulent-Like Laminar Flows ... 273
E. Hascoet, L. Rossi and J. C. Vassilicos
CLOSED-LOOP CONTROL
Active Control of Laminar Boundary Layers Disturbances ........ 281
M. Gaster
Low-Dimensional Tools for Closed-Loop Flow Control in
High Reynolds Number Turbulent Flows .......................... 293
J.W. Hall, C.E. Tinney, J.M. Ausseur, J.T. Pinier,
A.M. Hall and M.N. Glauser
Evolutionary Optimization of Feedback Controllers for
Thermoacoustic Instabilities .................................. 311
N. Hansen, A.S.P. Niederberger, L. Guzzella and
P. Koumoutsakos
Active Cancellation of Tollmien-Schlichting Instabilities
in Compressible Flows Using Closed-Loop Control ............... 319
M. Engert, A. Patzold, R. Becker and W. Nitsche
Optimal Boundary Flow Control: Equivalence of Adjoint
and Co-State Formulations and Solutions ....................... 333
R. Vepa
Optimal Growth of Linear Perturbations in Low Pressure
Turbine Flows ................................................. 339
A.S. Sharma, N. Abdessemed, S. Sherwin and V. Theofilis
Simulations of Feedback Control of Early Transition in
Poiseuille Flow ............................................... 345
J. McKernan, J.F. Whidborne and G. Papadakis
A Switched Reduced-Order Dynamical System for Fluid Flows
under Time-Varying Flow Conditions ............................ 349
H.H. Hamilton, A.J. Kurdila and A.K. Jammulamadaka
Strategies for Optimal Control of Global Modes ................ 353
O. Marquet, D. Sipp and L. Jacquin
APPLICATIONS
Modeling and Development of Synthetic Jet Actuators
in Flow Separation Control Application ........................ 361
Q. Gallas
Feedback Control Using Extremum Seeking Method for Drag
Reduction of a 3D Bluff Body .................................. 365
J.-F. Beaudoin, O. Cadot, J.E. We sfre id and J.-L. Aider
Flow Control in Turbomachinery Using Microjets ................ 373
S.-J. Hiller, T. Ries andM. Kiirner
ONERA/IEMN Contribution within the ADVACT Program:
Actuators Evaluation .......................................... 381
E. Gamier, M. Pruvost, O. Ducloux, A. Talbi, L. Gimeno,
P. Pernod, A. Merlen and V. Preobrazhensky
Control of Flow-Induced Vibration of Two Side-by-Side
Cylinders Using Micro Actuators ............................... 387
B. Li, Y. Liu, K. Lam, W.J. Li and J. Chu
Improvement of the Jet-Vectoring through the Suppression
of a Global Instability ....................................... 393
V.G. Chapin, N. Boulanger and P. Chassaing
PASSIVE CONTROL
Experimental Optimization of Bionic Dimpled Surfaces
on Axisymmetric Bluff Bodies for Drag Reduction ............... 399
C. Zhang, L. Ren, Z. Han and Q. Liu
Flow Regularisation and Drag Reduction around Blunt
Bodies Using Porous Devices ................................... 405
C.-H. Bruneau, I. Mortazavi and P. Gillieron
The Effects of Aspect Ratio and End Condition on the
Control of Free Shear Layers Development and Force
Coefficients for Flow Past Four Cylinders in the In-Line
Square Configuration .......................................... 409
K. Lam and L. Zou
Numerical Simulation on the Control of Drag Force and
Vortex Formation by Different Way (Varicose) Cylinders ........ 415
K. Lam and Y.F. Lin
Passive Multiscale Flow Control by Fractal Grids .............. 421
R.E.E. Seoud and J.С. Vassilicos
Hydraulic Model of the Skin Friction Reduction with
Surface Grooves ............................................... 427
B. Frohnapfel, P. Lammers, J. Jovanovic and A. Delgado
Vortex Shedding behind a Tapered Cylinder and Its Control ..... 433
O.N. Ramesh and R.S. Chopde
Control of a Separated Flow over a Smoothly Contoured
Ramp Using Vortex Generators .................................. 437
T. Duriez, J-L. Aider and J.E. Wesfried
Biomimetic Flight and Flow Control: Learning from the
Birds ......................................................... 443
R. Vepa
Author Index .................................................. 449
Subject Index ................................................. 451
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