Laminar-Turbulent Transition: IUTAM Symposium, Sedona/AZ September 13 – 17, 1999

Front Matter....Pages I-XXXIV
Front Matter....Pages 1-1
Opening Address Turbulence in the Turn of the Century....Pages 3-8
Early History of Compressible Linear Stability Theory....Pages 9-34
Front Matter....Pages 35-35
Effect of Leading-edge Geometry and Aerodynamic Loading on Receptivity to Acoustic Disturbances....Pages 37-42
Acoustic Receptivity in Boundary Layers with Surface Roughness....Pages 43-49
A Causal Stability Analysis of the Boundary Layer over a Compliant Wall....Pages 51-56
Non-Parallel Receptivity and the Adjoint PSE....Pages 57-62
Front Matter....Pages 63-63
Three-Dimensional Receptivity of Boundary Layers to External Perturbations....Pages 65-70
Boundary Layer Receptivity to Free-stream Sound on Elliptic Leading Edges of Flat Plates....Pages 71-78
Non-localized acoustic receptivity and subsequent disturbance growth in a Blasius boundary layer....Pages 79-84
Receptivity and Bypass Dynamics....Pages 85-90
Study of 3D Wall Roughness Acoustic Receptivity on an Airfoil....Pages 91-96
Experiments on Receptivity, Stability, and Transition of 2-D Laminar Boundary Layers with Streamwise Pressure Gradients....Pages 97-102
Leading-Edge Acoustic Receptivity Measurements Using a Pulsed-Sound Technique....Pages 103-108
Front Matter....Pages 109-109
Evaluation of Adjoint Based Methods for the Prediction of Receptivity....Pages 111-116
Receptivity to Freestream Turbulence and the Effect of Longitudinal Vortices in Boundary Layer Transition....Pages 117-123
Receptivity for a Flat Plate with a Rounded Leading-Edge....Pages 125-130
Experiments on the receptivity of a boundary layer to a localized free stream disturbance....Pages 131-136
Experimental study of flat-plate boundary layer receptivity to vorticity normal to leading edge....Pages 137-142
Boundary Layer Longitudinal Localized Structures Control by Means of Spanwisewall Oscillations....Pages 143-148
DNS of Active Control of Disturbances in a Blasius Boundary Layer....Pages 149-154
Front Matter....Pages 109-109
Active Control of TS-Instabilities on an Unswept Wing....Pages 155-160
Control of streaky structures by localized blowing and suction....Pages 161-166
Late-Stage Transitional Boundary-Layer Structures. Direct Numerical Simulation and Experiment....Pages 167-172
Experimental Study Of A Λ-Structure Development And Mechanism Its Transformation Into The Turbulent Spot....Pages 173-180
Nonlinear evolution of Tollmien—Schlichting waves at finite Reynolds numbers....Pages 181-186
On why oblique waves in the Blasius boundary layer show stronger nonparallel effects than planar waves....Pages 187-192
Stability of weakly non-similar swept-wing boundary layers....Pages 193-198
Boundary Layer Transition Due to the Entry of a Small Particle....Pages 199-204
Turbulent Energy Production Mechanism in General Boundary Layer Transition....Pages 205-210
Energy Transfer Analysis of Turbulent Plane Couette Flow....Pages 211-216
Numerical Investigation of Resonance Phenomena in Wall Jet Transition....Pages 217-221
Supersonic Boundary Layer Receptivity to Streamwise Acoustic Field....Pages 223-228
Feed-forward Control of Streak Instabilities in Plane Poiseuille Flow by Localized Suction....Pages 229-234
Effects of suction through arrays of holes on a 3-D boundary layer investigated by spatial direct numerical simulation....Pages 235-240
Front Matter....Pages 241-241
Relaminarization and Retransition of Accelerated Turbulent Boundary Layers on a Convex Surface....Pages 243-248
Effect of Wall Temperature on Roughness Induced Attachment-Line Transition....Pages 249-254
On the Growth of Waves in Boundary Layers: a simple Approximate Solution....Pages 255-260
Front Matter....Pages 261-261
The Formation of Secondary Structures and Random Perturbations in the Development of Periodic Lambda-Structures in a Laminar Boundary Layer....Pages 263-268
Instability and Breakdown of the Three-Dimensional High-Shear Layer Associated with a Near-Wall Low-Speed Streak....Pages 269-274
On Vortex Interaction in the Latter Stages of Boundary-layer Transition....Pages 275-280
Front Matter....Pages 261-261
The Evolution of Hairpin Vortices in Shear Flows....Pages 281-286
Nonlinear Three Dimensional Wavetrains of Small Amplitude in Boundary Layers: Experiments, Theory and Computations....Pages 287-292
Stationary And Nonstationary Streaky Structures And Secondary Instability Of Boundary Layers....Pages 293-298
Front Matter....Pages 299-299
Generation of Oblique Waves in a Blasius Boundary Layer by Thin Piezo-Film Actuators Attached to the Wall Surface....Pages 301-306
Optimal Control by Blowing and Suction at the Wall of Algebraically Growing Boundary Layer Disturbances....Pages 307-312
A Novel Velocity-Vorticity Method for Simulating Boundary-Layer Disturbance Evolution and Control....Pages 313-318
Optimal Control of Boundary Layers under Body Forces....Pages 319-324
Front Matter....Pages 325-325
Reynolds stress development in the viscous layer of a transitional boundary layer....Pages 327-332
Distortion of Tollmien-Schlichting waves by leading-edge vortices....Pages 333-338
Convective and absolute instability in the mixed convection boundary layer over a vertical flat plate....Pages 339-344
Stability of Poiseuille Flow in a Corrugated Channel....Pages 345-350
The transition zone on a heated axisymmetric body....Pages 351-356
Front Matter....Pages 357-357
The Occurrence of Natural Transition Phenomena in Periodic Transition on Axial Compressor Blades....Pages 359-364
Comparisons Between Triggered Turbulent Spots and Unsteady Transition Phenomena on Compressor and Turbine Blading....Pages 365-370
Growth and breakdown of streaky structures in boundary layer transition induced by free stream turbulence....Pages 371-376
Onset of turbulence in circular pipe flows....Pages 377-382
A Hybrid Spectral/Finite-Difference Scheme for the Simulation of Pipe-Flow Transition....Pages 383-388
Front Matter....Pages 389-389
Transition of Supersonic Boundary Layers (experiment and theory review)....Pages 391-396
Investigation of Transition to Turbulence in a 3D Supersonic Boundary Layer....Pages 397-402
The Blunt Body Paradox — A Case for Transient Growth....Pages 403-408
Front Matter....Pages 389-389
Hypersonic Boundary-Layer Receptivity and Stability....Pages 409-414
Spatial Direct Numerical Simulation of Transition Phenomena in Supersonic Flat-Plate Boundary Layers....Pages 415-420
Experimental Investigations of the Hypersonic Boundary Layer Stability....Pages 421-426
Development of a Mach-6 Quiet-Flow Ludwieg Tube for Transition Research....Pages 427-432
A Numerical Study for Small Amplitude T-S Waves in a Supersonic Boundary Layer....Pages 433-436
Nonlinear Instability of Hypersonic Flow over a Cone....Pages 437-442
Front Matter....Pages 443-443
DNS of Boundary-Layer Receptivity to Freestream Sound for Hypersonic Flows Over Blunt Elliptical Cones....Pages 445-450
Experimental Study of Supersonic Boundary Layer Receptivity in Controlled Conditions....Pages 451-456
Development of Artificial Disturbances in the Boundary Layer on a Plate and in the Wake Behind It at Supersonic Free-Flow Speed....Pages 457-462
On Anomalous Wave Processes in Supersonic Boundary Layer....Pages 463-468
On the inviscid spatial instability of supersonic boundary-layer flow along bodies of revolution....Pages 469-474
Experimental investigations of disturbance development in the hypersonic boundary layer on a Conical Model....Pages 475-480
On the Receptivity Process of Supersonic Laminar Boundary Layer....Pages 481-486
Low-order stability theory for non-parallel compressible boundary layer flow....Pages 487-492
On correspondence of laminar-turbulent transition processes in natural and in controlled supersonic experiments on flat plate....Pages 493-498
Later stages of transition of an airfoil boundary layer flow excited by a harmonic point source....Pages 499-504
Experiments on the transition to turbulence of the flow between a stationary and a rotating disk....Pages 505-510
Maximum Growth of Görtler Vortices....Pages 511-516
Non Normality of the Görtler Operator and Spatial Amplification?....Pages 517-522
Linear Stability of the Supersonic Turbulent Boundary Layer to Görtler Vortices on a Concave Wall....Pages 523-528
Front Matter....Pages 443-443
Direct Numerical Simulation of Görtler Instability in Hypersonic Boundary Layers....Pages 529-534
Effect of the pressure gradients on the secondary instability of Görtler flow....Pages 535-539
Laminar-turbulent transition of a separation flow on a forward facing step....Pages 541-546
Flow Instability in Laminar Separation Bubbles....Pages 547-552
Experimental Study of the Stability of the Bödewadt Layer....Pages 553-558
Late Stage of Transition in a Circular Pipe Flow....Pages 559-564
DNS-Investigations of the Development and Control of Crossflow Vortices in a 3-D Boundary-Layer Flow....Pages 565-570
3D Stability and Receptivity of Two-Dimensional Self-Similar Boundary Layer with Adverse Pressure Gradient....Pages 571-576
Relation of glaze ice formations on swept wings to crossflow instability....Pages 577-581
Secondary Stability Analysis of Nonlinear Crossflow Vortices....Pages 583-586
Front Matter....Pages 587-587
Influence of Surface Roughness and of Suction on the Receptivity of a Swept Wing Boundary Layer....Pages 589-594
Stability and Transition of 3D Boundary Layers....Pages 595-600
Absolute/Convective Instability Analysis of Secondary Cross-Flow Vortices in a Three-Dimensional Boundary Layer....Pages 601-606
Stabilization of Boundary-Layer Flows Subject to Crossflow Instability with the Aid of Suction....Pages 607-612
Numerical Study of Excitation of Two Different Instabilities in Three-Dimensional Boundary Layer on a Yawed Cylinder....Pages 613-618
Three-dimensional Boundary-Layer Transition Phenomena Investigated by Spatial Direct Numerical Simulation....Pages 619-624
On the connection between cross-flow vortices and attachment-line instabilities....Pages 625-630
A theoretical investigation of the development of the stationary crossflow vortices in the boundary layer on a swept wing....Pages 631-636
Characteristic features of traveling disturbances originating from a point source in rotating-disk flow....Pages 637-642
Multimode Instability of the Three-Dimensional Boundary Layer along an Infinite Attachment Line....Pages 643-648
Front Matter....Pages 649-649
Numerical Investigation of Heat Transfer Mechanisms in Wall Jet Transition....Pages 651-656
Secondary Disturbance Amplification and Transition in Laminar Separation Bubbles....Pages 657-662
Global linear instabilities in laminar separated boundary layer flow....Pages 663-668
Transition in Separated Flows via Global Instability....Pages 669-674
Effect of Harmonic Excitation on Instability of a Laminar Separation Bubble on an Airfoil....Pages 675-680
Linear and nonlinear nonlocal instability analyses for two-dimensional laminar separation bubbles....Pages 681-686