Unsteady Aerodynamics and Aeroelasticity of Turbomachines: Proceedings of the 8th International Symposium held in Stockholm, Sweden, 14–18 September 1997

Front Matter....Pages i-xiv
Front Matter....Pages 1-1
Theoretical Analyses of Rotating Cavitation in Inducers....Pages 3-17
Nonlinear Critical Layer in the Unsteady Boundary Layer Induced on a Flat Plate by Wakes....Pages 19-33
A Numerical Analysis of Wakes Propagation in Inviscid Flow of Turbine....Pages 35-49
Front Matter....Pages 51-51
Three Dimensional Unsteady Flow Around a Turbine Blade Oscillating in Bending Mode — An Experimental and Computational Study....Pages 53-65
Rotating Blade Row Oscillating Airfoil Aerodynamics....Pages 67-82
Experimental Investigation of Unsteady Aerodynamic Characteristics of Transonic Compressor Cascades....Pages 83-102
Experimental Investigation of Unsteady Pressure Behaviours in a Linear Turbine Cascade....Pages 103-116
Front Matter....Pages 117-117
Calculation of Unsteady Forces Acting on the Profiles of Double Cascade Oscillating in a Fluid Flow....Pages 119-129
Unsteady Disturbances in Swirling Turbomachinery Flows....Pages 131-146
Unsteady Forces on Annular Cascade Blades in Subsonic Flow with Swirl....Pages 147-164
Effect of Acoustic Control on the Flutter Boundaries of Supersonic Cascade....Pages 165-179
Front Matter....Pages 181-181
Nonlinear Harmonic Analysis of Unsteady Transonic Inviscid and Viscous Flows....Pages 183-193
Flutter Analysis of Two — Dimensional Viscous Subsonic and Transonic Flow in Turbomachines Using the Advection Upstream Splitting Method....Pages 195-210
Three Dimensional Linearized Navier-Stokes Calculations for Flutter and Forced Response....Pages 211-224
Some Applications of a Time-Linearized Euler Method to Flutter & Forced Response in Turbomachinery....Pages 225-240
Front Matter....Pages 241-241
An Experimental Flow Investigation of an HP Five-Stage Compressor Exhibiting Rotating Stall Due to Distorted Inlet Flow Conditions....Pages 243-257
High Speed Centrifugal Impeller and Diffuser Interaction Near Stall Conditions....Pages 259-271
Unsteady Flow and Turbulence in a Low Speed Axial Compressor....Pages 273-286
Unsteady Inlet/Compressor Interaction Experiment to Support the Modeling of Compressor-Face Boundary Conditions....Pages 287-300
Front Matter....Pages 301-301
Three-Dimensional Coupled Model for Aeroelastic Analysis of Turbomachine Blade Vibrations. Its Application to a Hydraulic Turbine Rotor....Pages 303-315
Front Matter....Pages 301-301
The 2D Flutter of a Bladed Disc in an Incompressible Flow....Pages 317-334
Structural Mistuning and Aerodynamic Coupling in Turbomachinery Bladings....Pages 335-346
Whole-Assembly Flutter Analysis of a Low Pressure Turbine Blade....Pages 347-359
Front Matter....Pages 361-361
Passages of Preceding Blade Wakes and Their Effects in the Rotor Passages of a Single Stage Axial-Flow Fan....Pages 363-377
Forced Response Vibrations of a Low Pressure Turbine Due to Circumferential Temperature Distortions....Pages 379-392
Investigation of the Boundary Layer Development on a Highly Loaded Low Pressure Turbine Cascade Under the Influence of Unsteady Flow Conditions....Pages 393-406
Experimental and Numerical Investigation of Unsteady Rotor-Stator Interaction on Axial Compressor Stage (with IGV) Performance....Pages 407-424
Front Matter....Pages 425-425
A 3D Linearized Euler Analysis for Blade Rows Part 1: Aerodynamic and Numerical Formulations....Pages 427-444
A 3D Linearized Euler Analysis for Blade Rows Part 2: Unsteady Aerodynamic Response Predictions....Pages 445-464
Analysis of Nonlinear Oscillating Cascade Aerodynamics Including Separated Flow....Pages 465-476
Numerical Solution of the Navier Stokes Equations for Unsteady Unstalled and Stalled Flow in Turbomachinery Cascades with Oscillating Blades....Pages 477-491
Front Matter....Pages 493-493
Active Suppression of Compressor Flow Instability....Pages 495-509
On Sub-Cell Structure of Deep Rotating Stall in an Axial Compressor....Pages 511-524
Stability Analysis of Supersonic Cascade Flow by Actuator Disk Methods....Pages 525-538
Front Matter....Pages 539-539
Semi-Unstructured Mesh Generator for Flow Calculations in Axial Turbomachinery Blading....Pages 541-554
Aeroelastic Tailoring for Rotor Blades of Transonic Swept Fans....Pages 555-564
Methods for Aeroelasticity in Propulsion....Pages 565-582
Front Matter....Pages 583-583
Preliminary Results of a Unsteady Throughflow Code to Simulate the Start-Up of a Multistaged Turbopump....Pages 585-598
Investigation of Stator-Rotor Interaction Phenomena in an Centrifugal Pump....Pages 599-612
The 3D Unsteady Aerodynamic Forces: The Forced Vibration of Bladed Discs....Pages 613-632
Front Matter....Pages 583-583
Parallel Computation of Rotor-Stator Interaction....Pages 633-645
Front Matter....Pages 647-647
Correlation of Pressure and Hot Film Data on an Oscillating 2D NACA63A006 Single Airfoil at High Incidence....Pages 649-663
A Basic Forced Response Experiment....Pages 665-678
Vibration Characteristics of a Transonic Turbine Cascade....Pages 679-692
Periodic Fluctuation of Shock Waves in Transonic Cascade Flows....Pages 693-704
Front Matter....Pages 705-705
Part-Speed Flutter Analysis of a Wide-Chord Fan Blade....Pages 707-724
The Effect of Blade Vibration Mode on a Flutter in a Transonic Fan....Pages 725-732
Role of Shock Structures in Transonic Fan Rotor Flutter....Pages 733-747
Comparison of Numerical Schemes to Investigate Blade Flutter....Pages 749-763
Front Matter....Pages 765-765
Eigenmode Analysis of Unsteady Viscous Flows in Turbomachinery Cascades....Pages 767-782
Transonic Cascade Flutter in Combined Bending-Chordwise Translational Mode....Pages 783-795
On the Prediction of Dynamic Stall Onset on Airfoils in Low Speed Flow....Pages 797-812
Front Matter....Pages 813-813
Flutter of Aircraft Engine Low Pressure Turbine Blades: Oscillating Cascade Experiments and Analysis....Pages 815-829
Comparison of DLT And CFD Predictions of Unsteady Aerodynamic Force on Vibrating Supersonic Through-Flow Fan Cascade....Pages 831-845
Back Matter....Pages 847-858