New Results in Numerical and Experimental Fluid Mechanics IX: Contributions to the 18th STAB/DGLR Symposium, Stuttgart, Germany, 2012

Front Matter....Pages i-xvi
Front Matter....Pages 1-1
Influence of Meshing on Flow Simulation in the Wing-Body Junction of Transport Aircraft....Pages 3-11
Numerical Approach Aspects for the Investigation of the Longitudinal Static Stability of a Transport Aircraft with Circulation Control....Pages 13-22
Numerical Investigation of the Influence of Shock Control Bumps on the Buffet Characteristics of a Transonic Airfoil....Pages 23-32
Numerical Investigation of the Flutter Behaviour of a Laminar Supercritical Airfoil....Pages 33-41
Front Matter....Pages 43-43
Aero-Elastic Multipoint Optimization Using the Coupled Adjoint Approach....Pages 45-52
Efficient Global Optimization of a Natural Laminar Airfoil Based on Surrogate Modeling....Pages 53-63
Efficient Quantification of Aerodynamic Uncertainty due to Random Geometry Perturbations....Pages 65-73
Fluid-Dynamic Optimization of the Cabin Air Outlet Do728-KLA with Adjoint Sensitivity Analysis....Pages 75-82
Front Matter....Pages 83-83
Geometrical Features of Streamlines and Streamline Segments in Turbulent Flows....Pages 85-92
Numerical Investigation of the Combined Effects of Gravity and Turbulence on the Motion of Small and Heavy Particles....Pages 93-101
On “Adaptive Wall-Functions” for LES of Flow and Heat Transfer....Pages 103-112
The Influence of the Diffusion Model on the Separation Sensitivity of Differential Reynolds Stress Models....Pages 113-121
DNS and LES of Turbulent Mixed Convection in the Minimal Flow Unit....Pages 123-131
Turbulence Resolving Simulations of the Flow About a Tandem Cylinder and a Rudimentary Landing Gear....Pages 133-141
Superstructures in a Turbulent Boundary Layer Under the Influence of an Adverse Pressure Gradient Investigated by Large-Scale PIV....Pages 143-151
Front Matter....Pages 153-153
Impact of Forward-Facing Steps on Laminar-Turbulent Transition in Subsonic Flows....Pages 155-162
Interaction of a Cylindrical Roughness Element and a Two-Dimensional TS-Wave....Pages 163-172
Effects of a Discrete Medium-Sized Roughness in a Laminar Swept-Wing Boundary Layer....Pages 173-181
Wing Design Based on a Tapered Wing Natural Laminar Flow Airfoil Catalogue....Pages 183-191
Experimental and Numerical Investigations of the Laminar Airfoil NLF9....Pages 193-201
Front Matter....Pages 153-153
Reconstruction of a Disturbance Flow Field from Wall Measurements of Tollmien-Schlichting Waves....Pages 203-211
Flight Measurements Under Turbulent Atmospheric Conditions....Pages 213-221
Front Matter....Pages 223-223
Numerical Investigation of the Influence of the Model Installation on Rotor Blade Airfoil Measurements....Pages 225-233
Flow Simulation of a Five: Bladed Rotor Head....Pages 235-243
Blade Shape Design: Trim Acceleration for Fluid-Structure Coupled Simulations of an Isolated Rotor in Forward Flight....Pages 245-253
Numerical Investigations of a Back-Flow Flap for Dynamic Stall Control....Pages 255-262
Adaptation of the Dynamic Rotor Blade Modelling in CAMRAD for Fluid-Structure Coupling Within a Blade Design Process....Pages 263-271
Front Matter....Pages 273-273
Flight Testing of Alternative Ventilation Systems for Aircraft Cabins....Pages 275-283
Large-scale Coherent Structures in Turbulent Mixed Convective Air Flow....Pages 285-292
Numerical Simulation of the Air Flow and Thermal Comfort in Aircraft Cabins....Pages 293-301
Highly-Resolved Numerical Simulations of High Rayleigh and Reynolds Number Indoor Ventilation in a Generic Room....Pages 303-311
Influence of the Geometry on Rayleigh-Bénard Convection....Pages 313-321
Front Matter....Pages 323-323
An Experimental and Numerical Investigation of the Near Wake Field of a Tractor-Trailer Configuration....Pages 325-333
Experimental Study of the Pressure Rise due to Tunnel Entry of a High-Speed Train....Pages 335-342
Aerodynamic Loads Induced by Passing Trains on Track Side Objects....Pages 343-351
Flow-Induced Airborne and Structure-Borne Noise at a Simplified Car Model....Pages 353-361
Front Matter....Pages 363-363
Prediction of Transonic Flutter Behavior of a Supercritical Airfoil Using Reduced Order Methods....Pages 365-373
Partitioned Fluid-Structure Interaction on Solution-Adaptive Hierarchical Cartesian Grids....Pages 375-383
An Assessment of the Influence of Fuselage Deformations on the Numerical Prediction of High-Lift Performance....Pages 385-393
Combined Time-Resolved PIV and Structure Deformation Measurements for Aeroelastic Investigations....Pages 395-402
Front Matter....Pages 403-403
CTAU, A Cartesian Grid Method for Accurate Simulation of Compressible Flows with Convected Vortices....Pages 405-413
Coupling of Flow Solvers with Variable Accuracy of Spatial Discretization....Pages 415-423
Overlapping Grids in the DLR THETA Code....Pages 425-433
Detached Eddy Simulation Using the Discontinuous Galerkin Method....Pages 435-442
Application of Point and Line Implicit Preconditioning Techniques to Unsteady Flow Simulations....Pages 443-453
Validation of a Time-Domain TAU-Flight Dynamics Coupling Based on Store Release Scenarios....Pages 455-463
Implementation of Flow Through Porous Media into a Compressible Flow Solver....Pages 465-473
Evaluation of Hybrid RANS/LES Methods for Computing Flow over a Prolate Spheroid....Pages 475-484
RANS-based Aerodynamic Drag and Pitching Moment Predictions for the Common Research Model....Pages 485-493
Aerodynamic Effects of Tip Tanks on a Swept Wing Wind-Tunnel Model....Pages 495-502
Simulation of Interaction of Aircraft and Gust Using the TAU-Code....Pages 503-511
Front Matter....Pages 513-521
Large Scale Tomographic Particle Image Velocimetry of Turbulent Rayleigh-Bénard Convection....Pages 523-523
Pressure Measurement on Rotating Propeller Blades by Means of the Pressure-Sensitive Paint Lifetime Method....Pages 525-533
Optical In-Flight Wing Deformation Measurements with the Image Pattern Correlation Technique....Pages 535-544
Development of a Rotating Camera for In-flight Measurements of Aircraft Propeller Deformation by Means of IPCT....Pages 545-553
Impact of Forced High Frequency Airfoil Oscillations on the Shock Motion at Transonic Buffet Flows....Pages 555-562
Total Pressure Measurements Behind an Axial Ventilator Using a Kiel Probe Array....Pages 563-571
Experimental Study on Wave Drag Reduction at Slender Bodies by a Self-aligning Aerospike....Pages 573-581
Front Matter....Pages 583-590
Aeroacoustic and Aerodynamic Importance of Unequal Rotor Rotation Speeds of a CROR....Pages 591-591
Front Matter....Pages 593-600
Computational Aeroacoustics of a Counter-Rotating Open Rotor at Different Angles of Attack....Pages 591-591
Assessment of Front Rotor Trailing Edge Blowing for the Reduction of Open Rotor Interaction Noise....Pages 601-608
Examination of the Influence of Flow Speed on the Coherence Lengths in Turbulent Boundary Layers at High Subsonic Mach Numbers....Pages 609-618
Sound Generation by Low Mach Number Flow Through Pipes with Diaphragm Orifices....Pages 619-627
A Separated Flow Model for Semi-Empirical Prediction of Trailing Edge Noise....Pages 629-637
Front Matter....Pages 639-647
Computational Analysis of a Three-dimensional Flapping Wing....Pages 649-649
Combined Flow and Shape Measurements of the Flapping Flight of Freely Flying Barn Owls....Pages 651-659
Numerical Investigation of the Aerodynamic Forces Induced by the Flow around Free Flying Fruit Fly....Pages 661-669
Back Matter....Pages 671-679
....Pages 681-683