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Author Fischer, Oliver,
Title Investigation of correction methods for interference effects in open-jet wind tunnels / Oliver Fischer.
Imprint Wiesbaden : Springer Vieweg, 2018.

LOCATION CALL # STATUS MESSAGE
 OHIOLINK SPRINGER EBOOKS    ONLINE  
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Author Fischer, Oliver,
Series Research
Wissenschaftliche Reihe Fahrzeugtechnik Universitat Stuttgart
Research (Wiesbaden, Germany)
Wissenschaftliche Reihe Fahrzeugtechnik Universitat Stuttgart.
Subject Wind tunnels -- Testing.
Aerodynamics.
LOCATION CALL # STATUS MESSAGE
 OHIOLINK SPRINGER EBOOKS    ONLINE  
View online
Author Fischer, Oliver,
Series Research
Wissenschaftliche Reihe Fahrzeugtechnik Universitat Stuttgart
Research (Wiesbaden, Germany)
Wissenschaftliche Reihe Fahrzeugtechnik Universitat Stuttgart.
Subject Wind tunnels -- Testing.
Aerodynamics.
Description 1 online resource.
polychrome rdacc
Contents Intro; Preface; Table of Contents; List of Figures; List of Tables; Formula Symbols; List of Abbreviations; Zusammenfassung; Abstract; 1 Introduction; 1.1 Aerodynamic Vehicle Development -- Experiment and Simulation; 1.2 Motivation and Problem; 2 Aerodynamic Development Tools; 2.1 Wind Tunnel Technology; 2.1.1 Wind Tunnel Design; 2.1.1.1 Wind Tunnel Types; 2.1.1.2 Wind Tunnel Test Sections; 2.1.1.3 Specific wind tunnel configurations; 2.1.2 Wind Tunnel Calibration; 2.2 Computational Fluid Dynamics -- Numerical Scheme; 2.2.1 The Lattice-Boltzmann Method
2.2.2 Fluid Turbulence Model and Wall Model3 Wind Tunnel Interference Effects; 3.1 Blockage Effects in Open-Jet Wind Tunnels; 3.1.1 Jet Expansion Effect; 3.1.2 Nozzle blockage effect; 3.1.3 Jet Deflection Effect; 3.1.4 Collector Effect; 3.2 Effect of Static Pressure Distribution (Horizontal Buoyancy); 4 Correction Method for Interference Effects in Open-Jet Wind Tunnels; 4.1 Historical Development; 4.1.1 Open-Jet Blockage Effects; 4.1.2 Horizontal Buoyancy; 4.1.3 Mercker-Wiedemann Method; 4.2 Dynamic Pressure Correction; 4.2.1 Solid Blockage; 4.2.2 Collector Effect; 4.2.3 Nozzle Effect
4.2.4 Application Points for the Interference Velocities4.3 Horizontal Buoyancy Correction; 4.4 Open-jet correction method; 5 Computational Fluid Dynamics Investigations; 5.1 Basic CFD Investigation of Horizontal Buoyancy; 5.2 Validation Measurements in IVK-MWK; 5.3 Simulation of IVK-MWK (DIVK); 5.3.1 Digital Wind Tunnel Model (DIVK); 5.3.2 Boundary conditions; 5.3.3 Boundary Layer; 5.3.4 Shear Layer; 5.3.5 Static Pressure Distribution; 5.4 CFD Simulation of Different Vehicle Models; 5.4.1 SAE Squareback; 5.4.1.1 Centerline Pressure Distribution; 5.4.1.2 Total Pressure in Near Field Wake
5.4.1.3 Forces5.4.2 Detailed Notchback (Scale 1:5); 5.4.2.1 Centerline Pressure Distribution; 5.4.2.2 Flow Field; 5.4.2.3 Forces; 5.4.3 Detailed notchback (scale 1:4); 5.4.3.1 Flow Field; 5.4.3.2 Forces; 5.4.4 Detailed SUV model (scale 1:4); 5.4.4.1 Flow Field; 5.4.4.2 Forces; 5.5 Conclusions; 6 Application and Investigation of the Correction Method; 6.1 Application to Wind Tunnel Measurements; 6.1.1 Coupe Vehicle in IVK-FWK; 6.1.2 Van in IVK-FWK -- High-Blockage Setup; 6.1.3 Detailed Notchback (Scale 1:4) in IVK-MWK -- Inhomogeneous Static Pressure Distribution
6.1.4 Detailed Notchback (Scale 1:5) in IVK-MWK6.1.5 Detailed Notchback (Scale 1:4) in IVK-MWK; 6.1.6 Detailed SUV Model (Scale 1:4) in IVK-MWK; 6.2 Conclusions; 7 Comparison of Results; 7.1 Comparison of Computational Fluid Dynamics and Correction Results; 7.2 Conclusions; 7.3 Outlook; 8 Bibliography; A Appendix; A.1 Vehicles and Vehicle Models; A.1.1 SAE Squareback Model; A.1.2 Notchback Model (Scale 1:5); A.1.3 Detailed Notchback Model (scale 1:4); A.1.4 Detailed SUV Model; A.1.5 Coupe (full-scale); A.1.6 Van (full-scale); A.2 Wind tunnels; A.2.1 IVK Model-Scale Wind Tunnel (IVK-MWK)
Summary Oliver Fischer analyzes the interference effects occurring in free-stream wind tunnels as well as their correction and simulation. With this work, the investigated correction method and the comparability of its results as well as flow simulation results are improved. The model wind tunnel of the IVK, University of Stuttgart, is simulated in various wind tunnel configurations. The application of a correction procedure to the corresponding experimental data from the model wind tunnel of the IVK is examined. These correction results are directly comparable with interference-free simulation results and thus allow a conclusion on the functionality of the correction method. Based on these findings, this thesis proposes a modification of the correction method that improves the comparability of corrected experimental results and CFD simulations in idealized test conditions. Contents Wind Tunnel Interference Effects Correction Method and Computational Fluid Dynamics Investigations Application and Investigation of the Correction Method Target Groups Researchers and students of mechanical engineering, especially automotive engineering Research and development engineers in the fields of aerodynamics and wind tunnel technology About the Author Oliver Fischer works as an engineer in aerodynamics development for a renowned German automobile manufacturer.
Note Online resource; title from PDF title page (EBSCO, viewed March 20, 2018)
ISBN 9783658213794 (electronic bk.)
3658213795 (electronic bk.)
9783658213787
3658213787
OCLC # 1028731726
Additional Format Original 3658213787 9783658213787 (OCoLC)1024254683


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