The Aerodynamics of Heavy Vehicles II: Trucks, Buses, and Trains

Front Matter....Pages I-XV
Front Matter....Pages 1-1
Bluff Body Flow Research with Application to Road Vehicles....Pages 3-13
Climate Change and the Energy Economy....Pages 15-15
Front Matter....Pages 17-17
Large Eddy Simulations and Acoustic Predictions in Automotive Applications....Pages 19-19
Validation of the Immersed Boundary CFD Approach for Complex Aerodynamic Flows....Pages 21-38
Experimental Characterization of the Unsteady Flow Field behind Two Outside Rear-View Mirrors....Pages 39-51
Investigation of Buoyancy Driven Flow in a Simplified Full Scale Underhood – PIV and Temperature Measurements....Pages 53-74
Investigation of Buoyancy Driven Flow in a Simplified Full-Scale Underhood – Numerical Study....Pages 75-99
The Flow Environment of Road Vehicles in Winds and Traffic....Pages 101-101
Front Matter....Pages 103-103
Preliminary Experiments Applying Active Flow Control to a 1/24 th Scale Model of a Semi-Trailer Truck....Pages 105-113
Large Trucks Drag Reduction using Active Flow Control....Pages 115-133
Flow Separation Control on Trailing Edge Radii using Single Dielectric Barrier Discharge Plasma Actuators: An Application to Vehicle Drag Control....Pages 135-149
Adaptive Control of Post-Stall Separated Flow Application to Heavy Vehicles....Pages 151-160
Investigation of Tractor Base Bleeding for Heavy Vehicle Aerodynamic Drag Reduction....Pages 161-178
Drag Reduction on a Generic Tractor-Trailer using Active Flow Control in Combination with Solid Flaps....Pages 179-191
Front Matter....Pages 193-193
Advanced Aerodynamics and Cooling System Solutions for Higher Fuel Efficiency and Decreased Emissions....Pages 195-195
Optimization of Aerodynamic Properties of High-Speed Trains with CFD and Response Surface Models....Pages 197-211
Design Considerations for Maximizing Cooling Package Performance....Pages 213-213
Optimization and Correlation of a Class 8 Truck Cooling System....Pages 215-215
Front Matter....Pages 217-217
Aerodynamic Improvements and Associated Energy Demand Reduction of Trains....Pages 219-231
The use of Aeronautical Experimental Facilities and Measurement Techniques for the Aerodynamic Investigation of High Speed Trains....Pages 233-233
Front Matter....Pages 217-217
Reduction of Skin-Friction Drag on a Generic Train Configuration....Pages 235-235
Head Pressure Effects of Trains and Locomotives – Engineering Calculation Approaches for Homologation Purpose....Pages 237-237
Numerical Analysis for Aerodynamics of High-Speed Trains Passing Tunnels....Pages 239-239
Front Matter....Pages 241-241
A Study of the Influence of Aerodynamic Forces on a Human Body near a High-Speed Train....Pages 243-258
Application of CFD to Rail Car and Locomotive Aerodynamics....Pages 259-297
Data Acquisition of a Tractor-Trailer Combination to Register Aerodynamic Performances....Pages 299-310
Automotive Testing in the DNW-LLF Wind Tunnel....Pages 311-315
An Experimental Study of Tractor Base Bleed for Heavy Vehicle Aerodynamic Drag Reduction....Pages 317-317
Front Matter....Pages 319-319
Application of High Fidelity Numerical Simulations for Vehicle Aerodynamics....Pages 321-321
Scale-Adaptive Simulation in the Context of Unsteady Flow Simulations....Pages 323-323
Computational Simulation of the GCM Tractor-Trailer Configuration....Pages 325-338
Full-Scale Simulations of Drag Reduction Devices for Class 8 Trucks....Pages 339-348
Applicability of Commercial CFD Tools for Assessment of Heavy Vehicle Aerodynamic Characteristics....Pages 349-361
Detached Eddy Simulations of a Simplified Tractor/Trailer Geometry....Pages 363-381
A Hybrid RANS/LES Turbulence Model for use in the Simulation of Turbulent Separated Flows....Pages 383-383
Front Matter....Pages 386-386
Spray from Commercial Vehicles: A Method of Evaluation and Results from Road Tests....Pages 387-402
Experiments on Spray from a Rolling Tire....Pages 403-417
Computational Simulation of the Flow Field of a Filter System inside Self-Ventilated Road Tunnels due to Heavy Vehicle Traffic....Pages 419-432
Experiments and Calculations Relevant to Aerodynamic Effects during Highway Passing Maneuvers....Pages 433-447
Front Matter....Pages 447-447
Design & Test Techniques for Drag Reduction at Swift Engineering – A Racecar Manufactures Perspective....Pages 449-449
Front Matter....Pages 447-447
Summary of Full-Scale Wind Tunnel Tests of Aerodynamic Drag-Reducing Devices for Tractor-Trailers....Pages 451-462
A Fleet Operator’s Perspective on Commercial Vehicle Drag Reduction....Pages 463-463
Class 8 Vehicle Fuel Savings using Sealed Single and Dual Open Aft Cavities....Pages 465-465
A Novel Approach to Heavy Vehicle Drag Reduction....Pages 467-467
European Truck Aerodynamics – A Comparison Between Conventional and CoE Truck Aerodynamics and a Look into Future Trends and Possibilities....Pages 469-477
Advanced Experimental Methods for the Analysis and Aerodynamic Design of Heavy Vehicles....Pages 479-479
Back Matter....Pages 481-483