New Results in Numerical and Experimental Fluid Mechanics III: Contributions to the 12th STAB/DGLR Symposium Stuttgart, Germany 2000

Front Matter....Pages I-XII
Front Matter....Pages 1-1
Design Work for the A3XX High-Lift-Wing....Pages 3-10
Recent Improvements in the Measurement of Aerodynamic Damping Derivatives....Pages 11-18
Calculation of Horizontal Stabilizer Efficiency with a Navier-Stokes Code....Pages 19-26
3D RANS Simulations for High-Lift Analysis of Transport Aircraft Configurations....Pages 27-34
Numerical Investigation of the Reynolds-Number-Effect on the Setting Sensitivity of a 2D High-Lift Multi-Element Airfoil....Pages 35-41
Separation Control on a High-Lift Configuration by Periodic Exitation....Pages 42-49
Numerical Investigation of the Effect of the High-Lift Configuration of a Transport Aircraft on its Vortex Wake....Pages 50-57
The Relationship Between Near- and-Far-Field of Vortex Wakes from Aircraft with High Aspect Ratio Wings....Pages 58-65
Influence of Different Flap Settings on the Hazard Posed to Following Aircraft....Pages 66-73
Numerical Simulation of Wake-Vortex Encounters Using the Chimera-Technique....Pages 74-81
Aspects of Low Speed Wind Tunnel Testing on an A400M Model with Propeller Simulation....Pages 82-91
Coupling of DLR Navier-Stokes Solver FLOWer with an e N -Database Method for Laminar-Turbulent Transition Prediction on Airfoils....Pages 92-99
Front Matter....Pages 101-101
Unsteady Measurements with the Continuously Rotating DLR-PSP-Model at the Transonic Wind Tunnel Göttingen (DNW-TWG)....Pages 103-110
Front Matter....Pages 111-111
Turbulence Modeling for Reentry-Vehicles....Pages 113-120
Computation of the Two-Dimensional Flow in SERN Nozzles....Pages 121-128
Experimental Investigation of a Hypersonic Inlet for the TSTO-Configuration ELAC....Pages 129-136
Aerodynamic Analysis of the Dual-Mode Ramjet Vehicle JAPHAR....Pages 137-144
Study of Shock–Wave/Boundary–Layer Interaction Flowfield on a 24° Ramp Model....Pages 145-152
Numerical Investigations of Small-Amplitude Disturbances in a Laminar Boundary Layer with Impinging Shock Waves....Pages 153-160
Surface Temperature Effects on Shock-Wave Boundary-Layer Interaction of Ramp Flows....Pages 161-168
Front Matter....Pages 169-169
Preliminary Results of Numerical Simulations of Elastic Panels in Transonic Flows....Pages 171-178
Front Matter....Pages 179-179
Numerical Simulation of Laminar Separation-Bubble Control....Pages 181-188
On the Structure of Turbulence in the Transition Cylinder Wake....Pages 189-196
Front Matter....Pages 197-197
Investigation of Subgrid-Scale Models in LES of Turbulent Flows with Separation....Pages 199-206
Experimental and Numerical Investigations on Transition in a Laminar Separation Bubble....Pages 207-214
Boundary-layer Separation Computed by Second-Moment Closure Models....Pages 215-222
Experimental Investigation on the Behaviour of Disturbances Emitted from a Point Source in a Laminar Boundary Layer....Pages 223-230
Experimental/Numerical Investigation of the Influence of a Pressure Gradient on Acoustic Roughness Receptivity in the Boundary Layer of an Airfoil....Pages 231-238
Interference of Wave Trains with Varying Phase Relations in a Decelerated Two-Dimensional Boundary Layer....Pages 239-246
Secondary Instability of Steady and Unsteady Crossflow Waves....Pages 247-254
Examination of the Eddy-Viscosity Concept Regarding its Physical Justification....Pages 255-262
Front Matter....Pages 263-263
A Numerical Method for Compressible and Low Mach Number Fluid Flow....Pages 265-272
Turbulent Two-Dimensional Flow Around a Flexible Membrane Airfoil....Pages 273-280
Solution of the Euler Equations on Locally Adaptive B-Spline Grids....Pages 281-288
An Algorithm to Treat Flows Bounded by Arbitrarily Shaped Surfaces with Cartesian Meshes....Pages 289-296
Grid Refinement Study with a UHCA Wing-Body Configuration Using Richardson Extrapolation and Grid Convergence Index GCI....Pages 297-303
Convergence Acceleration on Unstructured Meshes....Pages 304-311
Enhancement of a Navier-Stokes Flow Solver for patched Grids with Non-Coincident Grid Nodes....Pages 312-319
Front Matter....Pages 321-321
Flow and Turbulence Structures in the Wake of a Simplified Car Model (Ahmed Modell)....Pages 323-330
Flow Visualisation, Pressure Measurements and Numerical Calculations on Spike-Tipped Bodies....Pages 331-338
Front Matter....Pages 339-339
Tip-Vortices in Transonic Axial-Compressors....Pages 341-349
Front Matter....Pages 351-351
Airframe Noise — Generation and Reduction....Pages 353-364
Front Matter....Pages 365-365
Receptivity of Three-Dimensional Boundary Layers to Roughness and Suction — Linear and Nonlinear Effects....Pages 367-374
Active Control of Tollmien-Schlichting Instabilities by Multi-Channel Sensor Actuator Systems....Pages 375-382
Front Matter....Pages 383-383
Time Resolved 2D Measurement Techniques for Quantitative Determination of Flow Fields and Surface Pressure Distributions....Pages 385-394
Investigation of Transitional Structures in Artificially and Disturbed Excited Flat Plate Boundary Layer Flows Using Stereo and Multi-Plane PIV....Pages 395-402
The Meaning of Disturbance Fields in Transition Experiments and Their Detection in the Test Section Flow of a Short Duration Wind Tunnel....Pages 403-410
Surface Fence with an Integrated, Piezoresistive Pressure Sensor for Measurements of Static and Dynamic Wall Shear Stress....Pages 411-418
Experimental Investigation of the Flow Close to the Surface of a High Lift Airfoil Configuration in a Large Wind Tunnel....Pages 419-425
Detection of Density Gradients at Helicopter Rotor Blades in Flight....Pages 426-433
Back Matter....Pages 435-435