New Results in Numerical and Experimental Fluid Mechanics XII: Contributions to the 21st STAB/DGLR Symposium, Darmstadt, Germany, 2018

Front Matter ....Pages i-xvii
Front Matter ....Pages 1-1
 Implementation of a Method to Determine Aerodynamic Propeller-Wing Interaction  (Nikolai Herzog, Andreas Reeh)....Pages 3-13
 Unsteady Wake and Tailplane Loads of the Common Research Model in Low Speed Stall  (Andreas Waldmann, Robert Konrath, Thorsten Lutz, Ewald Krämer)....Pages 14-24
Front Matter ....Pages 25-25
 Accurate Gradient Computations for Shape Optimization via Discrete Adjoints in CFD-Related Multiphysics Problems  (Ole Burghardt, Nicolas R. Gauger)....Pages 27-36
 Cybermatrix: A Novel Approach to Computationally and Collaboration Intensive Multidisciplinary Optimization for Transport Aircraft Design  (Časlav Ilić, Andrei Merle, Arno Ronzheimer, Mohammad Abu-Zurayk, Jonas Jepsen, Martin Leitner et al.)....Pages 37-47
 Global Aerodynamic Design Optimization via Primal-Dual Aggregation Method  (Emre Özkaya, Nicolas R. Gauger)....Pages 48-57
Front Matter ....Pages 59-59
 Validation of a New Near-Wall Reynolds Stress Model for Aeronautical Applications  (Ana Carolina Botelho e Souza, Rolf Radespiel)....Pages 61-70
 Development of Artificial Neural Networks with Integrated Conditional Random Fields Capable of Predicting Non-linear Dynamics of the Flow Around Cylinders  (Sebastian Herzog, Claus Wagner)....Pages 71-79
 Modification of the SSG/LRR-\(\omega \) RSM for Turbulent Boundary Layers at Adverse Pressure Gradient with Separation Using the New DLR VicToria Experiment  (Tobias Knopp, Matteo Novara, Daniel Schanz, Reinhard Geisler, Florian Philipp, Michael Schroll et al.)....Pages 80-89
 A Scale-Resolving Elliptic-Relaxation-Based Eddy-Viscosity Model: Development and Validation  (Benjamin Krumbein, Robert Maduta, Suad Jakirlić, Cameron Tropea)....Pages 90-100
 Development of a Generalized K-ω Two-Equation Turbulence Model  (Florian R. Menter, Alexey Matyushenko, Richard Lechner)....Pages 101-109
 Turbulent Inflow Generation by Resolvent Mode Forcing  (Björn Selent, Christoph Wenzel, Ulrich Rist, Oliver T. Schmidt)....Pages 110-119
 Assessment and Modification of the \(\gamma -Re_\theta \) Transition Model Behavior Outside the Boundary Layer  (Philip Ströer, Cornelia Grabe, Andreas Krumbein)....Pages 120-130
 Assessment of Extensions for an Eddy Viscosity Turbulence Model for Vortical Flows  (Gokul Subbian, Rolf Radespiel)....Pages 131-140
Front Matter ....Pages 141-141
 Time Response Calibration of Ultra-fast Temperature Sensitive Paints for the Application in High Temperature Hypersonic Flows  (Jan Martinez Schramm, Michael Hilfer)....Pages 143-152
Front Matter ....Pages 153-153
 Surface Temperature Effects on Boundary-Layer Transition at Various Subsonic Mach Numbers and Streamwise Pressure Gradients  (Marco Costantini, Steffen Risius, Christian Klein)....Pages 155-164
 Experimental Investigation of the Delay of Gap- and Step-Induced Transition by Means of Suction  (Benjamin Dimond, Marco Costantini, Steffen Risius, Christian Klein, Martin Rein)....Pages 165-174
 Boundary Layer Suction Modeling Based on the DLR TAU-Code Effusion Mass Flux Boundary Condition  (Michael Fehrs)....Pages 175-184
 Laminar to Turbulent Transition at Unsteady Inflow Conditions: Flight Experiments Under Calm and Moderately Turbulent Conditions  (Amandine Guissart, Timotheus Nemitz, Cameron Tropea)....Pages 185-194
 Validation Experiment on a Passive Suction Flap for Hybrid Laminar Flow Control Applications  (Thomas Kilian, Udo Krause, Sven Schaber, Dimitri Neufeld)....Pages 195-203
 On the Role of Secondary Structures During Leading Edge Vortex Lift Off and Detachment on a Pitching and Plunging Flat Plate  (Johannes Kissing, Jochen Kriegseis, Cameron Tropea)....Pages 204-213
 Laminar to Turbulent Transition at Unsteady Inflow Conditions: Direct Numerical Simulations with Small Scale Free-Stream Turbulence  (Duncan Ohno, Jonas Romblad, Ulrich Rist)....Pages 214-224
 Transition Delay with Cylindrical Roughness Elements in a Laminar Water Channel  (Dominik K. Puckert, Ulrich Rist)....Pages 225-233
 Influence of Jet Spacing and Injection Pressure on Separation Control with Air-Jet Vortex Generators  (Deepak Prem Ramaswamy, Rasmus Hinke, Anne-Marie Schreyer)....Pages 234-243
 Preliminary Study of Flow Control via Uniform Blowing on Airfoils with a Boundary Element Method  (Martin Reder, Alexander Stroh, Davide Gatti)....Pages 244-253
 Laminar to Turbulent Transition at Unsteady Inflow Conditions: Wind Tunnel Measurements at Oscillating Inflow Angle  (Jonas Romblad, Duncan Ohno, Werner Würz, Ewald Krämer)....Pages 254-264
 Investigations on a Mechanism to Induce Free-Stream Turbulence in a Water Channel by Controlled Injection of Air Bubbles  (Martin Siring, Dominik K. Puckert, Ulrich Rist)....Pages 265-273
 Boundary Layer Stability with Embedded Rotating Cylindrical Roughness Element  (Yongxiang Wu, Ulrich Rist)....Pages 274-283
Front Matter ....Pages 285-285
 Application of Lifetime-Based Pressure-Sensitive Paint for Transonic Tests on a Generic Delta Wing Planform  (Ulrich Henne, Daisuke Yorita, Christian Klein)....Pages 287-296
 Vortex Flow Aerodynamic Challenges in the Design Space for Future Fighter Aircraft  (Stephan M. Hitzel, Andreas Winkler, Andreas Hövelmann)....Pages 297-306
 Analysis of Vortex Flow Phenomena on Generic Delta Wing Planforms at Transonic Speeds  (Andreas Hövelmann, Andreas Winkler, Stephan M. Hitzel, Kai Richter, Michael Werner)....Pages 307-316
 Magnus Effect for Finned Bodies of Revolution in Supersonic Flow  (Alina Mielke, Daniel Klatt, Christian Mundt)....Pages 317-327
 Analysis of Vortex Flow Phenomena on Generic Delta Wing Planforms at Subsonic Speeds  (Stefan Pfnür, Jonathan Pflüger, Christian Breitsamter)....Pages 328-337
 Computational Aerodynamic Sensitivity Studies for Generic Delta Wing Planforms  (Andreas Schütte, Rebeca Nunes Marini)....Pages 338-348
Front Matter ....Pages 349-349
 Dynamic Stall Computations of Double-Swept Rotor Blades  (Kurt Kaufmann, Martin M. Müller, Anthony D. Gardner)....Pages 351-361
 Propeller Blade Shape Optimization with a Hybrid BEMT/CFD Approach  (Andreas Kümmel, Marco Stuhlpfarrer, Patrick Pölzlbauer, Christian Breitsamter)....Pages 362-371
 Aerodynamic Analysis and Optimization of Wings and Tail Surfaces of a Compound Helicopter with Box Wing  (Philipp Kunze, Marc Wentrup)....Pages 372-381
 Unsteady Boundary Layer Transition Detection with Local Infrared Thermography  (Christoph Mertens, C. Christian Wolf, Anthony D. Gardner)....Pages 382-391
 Aerodynamic Performance of Two eVTOL Concepts  (Gunther Wilke)....Pages 392-402
Front Matter ....Pages 403-403
 Experimental Analysis of the Interaction Between a Dual-Bell Nozzle with an External Flow Field Aft of a Backward-Facing Step  (Istvan Bolgar, Sven Scharnowski, Christian J. Kähler)....Pages 405-415
 Efficient Cooling of a Generic Car Cabin by Novel Ventilation Systems  (Tobias Dehne, Andreas Westhoff)....Pages 416-426
 System Dynamics of a Single-Shaft Turbojet Engine Using Pseudo Bond Graph  (Jan Göing, Andreas Kellersmann, Christoph Bode, Jens Friedrichs)....Pages 427-436
 Towards Aerodynamically Optimized Freight Wagons: An Experimental Study on Container Designs  (Emir Öngüner, Arne Henning, Uwe Fey, Claus Wagner)....Pages 437-446
 Experimental and Numerical Investigation of the Interaction of Wake Vortices with a Gable Roof  (Anna Uhl, Sebastian Braun, Eike Stumpf)....Pages 447-456
 Numerical Study of the Airflow Distribution in a Passenger Car Cabin Validated with PIV  (Sebastian Ullrich, Ricardo Buder, Nesrine Boughanmi, Christian Friebe, Claus Wagner)....Pages 457-467
 Experimental Study on the Richardson Number Dependence of Large-Scale Flow Structures and Their Dynamics in a Miniaturised Aircraft Cabin  (Andreas Westhoff, Claus Wagner)....Pages 468-477
Front Matter ....Pages 479-479
 Sensitivity of Single Degree of Freedom Limit Cycle Flutter of a Laminar Airfoil and Resulting Uncertainties of the Transonic Dip  (Marc Braune, Anne Hebler)....Pages 481-490
 Towards CFD-Based Aeroelastic Analysis of NLF Wings  (Sebastian Helm, Michael Fehrs, Jens Nitzsche)....Pages 491-500
 Experimental Investigation of the Unsteady Aerodynamics of a Pitching S809 Aerofoil at Various Reduced Frequencies and High Reynolds Numbers  (Nils van Hinsberg)....Pages 501-510
 Reduced-Order Modeling of Transonic Buffet Aerodynamics  (Maximilian Winter, Christian Breitsamter)....Pages 511-520
Front Matter ....Pages 521-521
 Reynolds Number Dependency of the Heat and Mass Transfer in Mixed Convective Duct Flow with Condensation at a Cooled Wall  (Christian Brückner, Philipp Bahavar, Andreas Westhoff, Claus Wagner)....Pages 523-532
 Experimental Investigation of Mixed Convection in Horizontal Channel Flow in Combination with Cylindrical Roughness Elements  (Esther Mäteling, Jonathan Lemarechal, Christian Klein, Dominik K. Puckert, Ulrich Rist)....Pages 533-542
 Comparison of Two Unstable Flow States in Turbulent Mixed Convection  (Konstantin A. Niehaus, Michael Mommert, Daniel Schiepel, Daniel Schmeling, Claus Wagner)....Pages 543-552
 Measurement of the Heat Flux During a Drop Impact onto a Hot Dry Solid Surface Using Infrared Thermal Imaging  (J. Benedikt Schmidt, Jan Breitenbach, Ilia V. Roisman, Cameron Tropea)....Pages 553-562
Front Matter ....Pages 563-563
 Prediction Capabilities of Two Reynolds Stress Turbulence Models for a Turbulent Wake Subjected to Adverse Pressure Gradient  (Marco Burnazzi, Tobias Knopp, Michale Kh. Strelets, Michael L. Shur, Andrey K. Travin, Wiebke Breitenstein et al.)....Pages 565-575
 Multidisciplinary Simulation for Gust Load Alleviation Control Surface Analysis  (Andreas Hübner, Lars Reimer)....Pages 576-585
 Scrutinizing Conventional and Eddy-Resolving Unsteady RANS Approaches in Computing the Flow and Aeroacoustics Past a Tandem Cylinder  (Felix Köhler, Robert Maduta, Benjamin Krumbein, Suad Jakirlić)....Pages 586-596
 Towards Higher-Precision Maneuver and Gust Loads Computations of Aircraft: Status of Related Features in the CFD-Based Multidisciplinary Simulation Environment FlowSimulator  (Lars Reimer, Ralf Heinrich, Markus Ritter)....Pages 597-607
 Boundary Condition Based Actuator Line Model to Simulate the Aerodynamic Interactions at Wingtip Mounted Propellers  (Michael Schollenberger, Thorsten Lutz, Ewald Krämer)....Pages 608-618
 Numerical Simulation of Laminar Separation on an Airfoil in Small-Scale Freestream Turbulence  (Eike Tangermann, Markus Klein)....Pages 619-629
 Capability of RANS Simulations to Reproduce Flat Plate Boundary Layer Interaction with Suction and Oscillatory Blowing  (Junaid Ullah, Nimrod Shay, Maayan Possti, Avraham Seifert, Thorsten Lutz, Ewald Krämer)....Pages 630-640
Front Matter ....Pages 641-641
 Unsteady Multi-hole Probe Measurements of the Near Wake of a Circular Cylinder at Sub-critical Reynolds Numbers  (Florian M. Heckmeier, Daniel Iglesias, Christian Breitsamter)....Pages 643-652
 Low Aspect Ratio Wing Under Large-Scale Turbulent Inflow Conditions at Low Reynolds Numbers  (Sebastian L. Herbst, Rainer Hain, Christian J. Kähler)....Pages 653-662
 Experimental and Numerical Investigation of 3-D Corner Separation in a Channel Flow with Adverse Pressure Gradient  (Joachim Klinner, Michael Schroll, Christian Morsbach, Felix Möller, Christian Willert)....Pages 663-673
 Visualization of Near-Wall Structures of an Isolated Cylindrical Roughness Element in a Laminar Boundary Layer Without Pressure Gradient  (Jonathan Lemarechal, Esther Mäteling, Christian Klein, Dominik K. Puckert, Ulrich Rist)....Pages 674-683
 Analysis of Model Mount Configurations with Regard to Force Measurements with Transient Inflow  (Max Müller, Klaus Ehrenfried, James Bell, Claus Wagner)....Pages 684-694
 The Reynolds-Number Effect on the Steady and Unsteady Aerodynamic Loading on Smooth and Slightly-Rough Square-Section Cylinders with Rounded Corners  (Nils van Hinsberg)....Pages 695-704
 Investigation of 3D Coherent Structures in Turbulent Boundary Layers at High Reynolds Numbers Using MultiPulse-STB  (Christina Voß, Reinhard Geisler, Matteo Novara, Markus Rütten, Florian Philipp, Andreas Schröder)....Pages 705-715
 Experimental Investigation of the Influence of Permeability on Finite Wing Lift and Drag  (Felix Wienke, Andreas Dillmann, Markus Raffel)....Pages 716-725
Front Matter ....Pages 727-727
 Influence of Flow on Noise Shielding  (Jan Delfs, Michael Mößner, Karl-Stéphane Rossignol)....Pages 729-738
 Emulation of Sound Pressure Level Spectra Based on Numerical Data  (Benjamin Faßmann, Michaela Herr, Roland Ewert, Jan Delfs)....Pages 739-748
 Progress in Helicopter Noise Prediction  (Manuel Keßler)....Pages 749-758
 Design and Construction of a CROR-Model with Aeroacustic Investigation at Different Flight Conditions  (Christian Stanger, Manuel Keßler, Ewald Krämer)....Pages 759-768
 Prediction of Trailing-Edge Noise for Separated Turbulent Boundary Layers  (Alexandre Suryadi)....Pages 769-779
Front Matter ....Pages 781-781
 Preliminary Investigations on Aerodynamic Vehicle Optimization Using the Adjoint Method with Adjoint Turbulence  (Martin Behnsch, T. Schütz, Suad Jakirlić, Cameron Tropea)....Pages 783-793
 Aerodynamic Characterisation of a Compact Car Overtaking a Heavy Vehicle  (Henning Wilhelmi, Christoph Jessing, James Bell, Daniela Heine, Claus Wagner, Jochen Wiedemann)....Pages 794-804
Front Matter ....Pages 805-805
 Computational Study Using DDES with Higher Order Scheme Modeling to Predict Darrieus VAWT Noise Mechanisms  (Amgad Dessoky, Galih Bangga, Thorsten Lutz, Ewald Krämer)....Pages 807-818
 Preliminary Performance Assessment of a Twin-Rotor Horizontal Axis Wind Turbine Using Fast Aerodynamic Methods  (Benedikt Michels)....Pages 819-829
 Potential Hazards of Wind Turbine Wake Vortices for Ultra-Light Sports Rotorcraft  (Berend G. van der Wall)....Pages 830-840
Front Matter ....Pages 841-841
 Aerodynamic Investigation of the Free Flapping Flight of a Saker Falcon  (Martin Heinold, Christian J. Kähler)....Pages 843-852
 Analysis of the Effects of MARME Treatment on Respiratory Flow Using the Lattice-Boltzmann Method  (Moritz Waldmann, Andreas Lintermann, Yoon Jeong Choi, Wolfgang Schröder)....Pages 853-863
Back Matter ....Pages 865-867