Active Flow Control: Papers contributed to the Conference Active Flow Control 2006, Berlin, Germany, September 27 to 29, 2006 (Notes on Numerical Fluid Mechanics and Multidisciplinary Design)

Front Matter....Pages I-XIII
The Taming of the Shrew: Why Is It so Difficult to Control Turbulence?....Pages 1-24
Front Matter....Pages 25-25
Electromagnetic Control of Separated Flows Using Periodic Excitation with Different Wave Forms....Pages 27-41
Pulsed Plasma Actuators for Active Flow Control at MAV Reynolds Numbers....Pages 42-55
Experimental and Numerical Investigations of Boundary-Layer Influence Using Plasma-Actuators....Pages 56-68
Designing Actuators for Active Separation Control Experiments on High-Lift Configurations....Pages 69-84
Closed-Loop Active Flow Control Systems: Actuators....Pages 85-102
Front Matter....Pages 103-103
State Estimation of Transient Flow Fields Using Double Proper Orthogonal Decomposition (DPOD)....Pages 105-118
A Unified Feature Extraction Architecture....Pages 119-133
Front Matter....Pages 135-135
Control of Wing Vortices....Pages 137-151
Towards Active Control of Leading Edge Stall by Means of Pneumatic Actuators....Pages 152-172
Computational Investigation of Separation Control for High-Lift Airfoil Flows....Pages 173-189
Steady and Oscillatory Flow Control Tests for Tilt Rotor Aircraft....Pages 190-207
Front Matter....Pages 209-209
Reduced-Order Model-Based Feedback Control of Subsonic Cavity Flows — An Experimental Approach....Pages 211-229
Supersonic Cavity Response to Open-Loop Forcing....Pages 230-243
Front Matter....Pages 245-245
Active Drag Control for a Generic Car Model....Pages 247-259
Continuous Mode Interpolation for Control-Oriented Models of Fluid Flow....Pages 260-278
Front Matter....Pages 279-279
Active Management of Entrainment and Streamwise Vortices in an Incompressible Jet....Pages 281-292
Active Control to Improve the Aerodynamic Performance and Reduce the Tip Clearance Noise of Axial Turbomachines with Steady Air Injection into the Tip Clearance Gap....Pages 293-306
Front Matter....Pages 307-307
Drag Minimization of the Cylinder Wake by Trust-Region Proper Orthogonal Decomposition....Pages 309-324
Flow Control on the Basis of a Featflow-Matlab Coupling....Pages 325-338
Front Matter....Pages 307-307
On the Choice of the Cost Functional for Optimal Vortex Reduction for Instationary Flows....Pages 339-352
Flow Control with Regularized State Constraints....Pages 353-366
Front Matter....Pages 367-367
Feedback Control Applied to the Bluff Body Wake....Pages 369-390
Active Blade Tone Control in Axial Turbomachines by Flow Induced Secondary Sources in the Blade Tip Regime....Pages 391-407
Phase-Shift Control of Combustion Instability Using (Combined) Secondary Fuel Injection and Acoustic Forcing....Pages 408-421
Vortex Models for Feedback Stabilization of Wake Flows....Pages 422-436
Back Matter....Pages 437-440