PROGRAM

THE AERODYNAMICS OF HEAVY VEHICLES:
TRUCKS, BUSES AND TRAINS

December 2-6, 2002
Asilomar Conference Center
Monterey-Pacific Grove, California

Conference Co-Chairs:
Rose McCallen
Lawrence Livermore National Laboratory, USA
Fred Browand
Aerospace & Mechanical Engineering Department
University of Southern California, Los Angeles, CA
Jim Ross
NASA AMES, Moffett Field, CA

United Engineering Foundation, Inc.
Three Park Avenue, 27th Floor
New York, NY 10016
T: 1-212-591-7836 F: 1-212-591-7441
Email: engfndconf@aol.com www.engfnd.org/2aa.html

SCIENTIFIC COMMITTEE MEMBERSHIP
Peter Bearman, Imperial College, London, ENGLAND
Hudong Chen, Exa Corporation, Lexington, MA, USA
Everett Chu, PACCAR, Mount Vernon, WA, USA
Kevin Cooper, National Research Council of Canada, Ottawa, CANADA
John Foss, Michigan State University, East Lansing, MI, USA
Sunil Jain, International Truck and Engine Corporation, Fort Wayne, IN, USA
Y. Kohama, Tohoku University, Sendai, JAPAN
Anthony Leonard, Caltech, Pasadena, CA, USA
Edzard Mercker, DNW, Emmeloord, NETHERLANDS
Luis Novoa, Freightliner, Portland, OR, USA
Gene Olson, International Truck and Engine Corporation, retired, USA
Wolfgang Rodi, University of Karlsruhe, Karlsruhe, GERMANY
Anatol Roshko, Caltech, Pasadena, CA, USA
Gino Sovran, General Motors Research, retired, Troy, MI, USA
Philippe Spalart, Boeing Commercial Airplanes, Seattle, WA, USA

ANNOUNCEMENTS

Monday, December 2, 2002

15:00 - Check-in and Registration at Asliomar in Main Lobby

16:30 - 18:00 Reception hosted by Volvo Trucks America, Kiln room

18:00 - 19:00 Dinner, Seascape dining room (served cafeteria style 18:00-18:50)
Welcome from UEF, Jules Routbort, UEF Technical Liaison

19:10 - 20:00 Keynote address, Fred Farr room:
Aerodynamics and Other Efficiencies in Transporting Goods
Paul MacCready, AeroVironment Inc., USA

Tuesday, December 3, 2002

07:30 - 08:00 Breakfast in dining room (served cafeteria style 7:30-8:50)

08:00 - 08:45 Invited address:
Commercial Vehicle Aerodynamic Drag Reduction-Historical Perspective as a Guide
Kevin Cooper, National Research Council of Canada, CANADA

08:45 - 09:30 Invited address:
The Status of Detached Eddy Simulation for Bluff Bodies
Philippe Spalart, Boeing Commercial Airplanes, USA
Kyle Squires, Arizona State University, USA

09:30 - 10:00 Coffee break

Invited session: LES and Hybrid RANS-LES Approaches
Chair: Philippe Spalart

10:00 - 10:25 Exploring the Flow Around a Simplified Bus with Large Eddy Simulation
Sinisa Krajnovic & Lars Davidson, Chalmers University of Technology, Sweden

10:25 - 10:50 RANS Simulations of Bluff Bodies
Gianluca Iaccarino & Paul Durbin, Stanford University, USA

10:50 - 11:15 Complex CFD for Everyday Use - Practical Applications for Vehicle Analysis
Ken Wurtzler, Cobalt Solutions, LLC, USA

11:15 - 11:40 Large Eddy Simulation of Flow Around the Ahmed Body
C. Hinterberger, M. Garcia-Villalba, W. Rodi, University of Karlsruhe, Germany

11:40 - 12:05 Detached Eddy Simulation of the Ground Transportation System
Kyle Squires, Arizona State University, USA
Stephen Maddox, James Forsythe, United States Air Force Academy
Ken Wurtzler, Cobalt Solutions, LLC, USA

12:05 - 13:00 Lunch in dining room (served cafeteria style 12:00-12:50)

Invited session: CFD: Software Methods and Applications
Chair: Hudong Chen, Exa Corporation, USA

13:00 - 13:25 Time Dependent vs. Steady State Calculations of External Aerodynamics
Branislav Basara, AVL List GmbH, Austria

13:25 - 13:50 Aerodynamics of Ground Vehicles - Toward Reliable and Affordable CFD
Sung-Eun Kim, Fluent Inc., USA

13:50 - 14:15 Improved Tractor-Trailer Integration and Aerodynamics Through the Use of CFD
Alec Wong, Kenworth Truck Company, USA

14:15 - 14:40 Large Eddy Simulation of Turbulence Via Lattice Boltzmann Based Approach: Fundamental Physics and Practical Applications
Hudong Chen, Exa Corporation, USA

14:40 - 15:05 Aspects of CFD Application to Vehicle Aerodynamic Design
David Gosman, Computational Dynamics Ltd. & Imperial College, UK

15:05 - 15:35 Coffee break

Invited session: Experimental Methods
Chair: Bahram Khalighi, General Motors R&D Center, USA

15:35 - 16:00 PIV Study of the Near Wake of a Pickup Truck
Luis Bernal, Abdullah M Al-Garni, University of Michigan, USA

16:00 - 16:25 A Novel Three-Dimensional Digital Particle Image Velocimetry Technique
Mory Gharib, Caltech, USA

16:25 - 16:50 Molecular Tagging Velocimetry and Its Automotive Applications
Manoochehr Koochesfahani, Michigan State University, USA

16:50 - 17:15 Quantitative Flow Visualization for Large Scale Wind Tunnels
Thomas Roesgen, ETH Zurich, Switzerland

17:30 - 18:15 Pre-dinner social hosted by International Truck and Engine Corporation, Kiln room

18:15 - 19:15 Dinner, Seascape dining room (served cafeteria style 18:00-18:50)

19:15 - 21:15 Invited session, Fred Farr room:
Aerodynamics from the Perspective of Truck Manufacturers: Technical Session and Panel Discussion
Chair: Jim Ross, NASA Ames Research Center, USA

Past, Present & Future Trends in Heavy Truck Aerodynamics: an OEM Perspective
Sunil Jain, International Truck and Engine Corporation, USA
Panel participants:
Everett Chu, PACCAR Technical Center, USA
Matt Markstaller, Freightliner LLC, USA
Skip Yeakel, Volvo Trucks America, USA

Wednesday December 4, 2002

07:30 - 08:00 Breakfast in dining room (served cafeteria style 7:30-8:50)

Contributed session: Aerodynamics Experiments & CFD
Chair: Rose McCallen, Lawrence Livermore Laboratory, USA

08:00 - 08:25 An Experimental Study of the Generic Conventional Model (GCM) in the NASA Ames 7-by-10-Foot Wind Tunnel
Dale Satran, NASA Ames Research Center, USA

08:25 - 08:50 The Measurement of Wake and Gap Flows of a 1/8th-Scale Generic Truck Using Three-Component PIV
J.T. Heineck, Stephen Walker, Dale Satran, NASA Ames Research Center, USA

08:50 - 09:15 On the Aerodynamics of Tractor-Trailers
Mustapha Hammache & Fred Browand, University of Southern California, USA

09:15 - 09:40 RANS Simulations of a Simplified Tractor-Trailer Geometry
Christopher Roy, David Kuntz, Mary McWherter-Payne, Jeffrey Payne, Sandia National Laboratory, USA

09:40 - 10:05 Computational Investigation of Flow Dynamics Around a Simplified Tractor-Trailer Geometry
Kambiz Salari & Jason Ortega, Lawrence Livermore National Laboratory, USA

10:05 - 10:30 Coffee break

Contributed session: Passive/ Active Flow Modification for Drag Reduction
Chair: Mory Gharib, Caltech, USA

10:30 - 10:55 Drag Reduction and Flow Structure in 2-D Wake Flows
Diego Arcas & Larry Redekopp, University of Southern California, USA

10:55 - 11:20 Drag Reduction of a Tractor-Trailer Using Planar,
Non-Ventilated Cavities

Kenneth Visser & Jamison Coon, Clarkson University, USA

11:20 - 11:45 RANS Simulations of Passive and Active Drag Reduction Devices
Gianluca Iccarino, Parviz Moin, Stanford University, USA
Bahram Khalighi, General Motors R&D Center, USA

11:45 - 12:10 Pneumatic Heavy Vehicle Aerodynamic Drag Reduction, Safety Enhancement and Performance Improvement
Robert Englar, Georgia Tech Research Institute, USA

12:10 - 12:35 Oscillatory Perturbations and Base Flaps to Decrease Base Drag
Tsun-Ya Hsu & Mustapha Hammache, University of Southern California, USA

12:35 - Lunch in dining room (served cafeteria style 12:00-12:50)

Free afternoon

18:30 Bus leaves for Aquarium

19:00 - 22:00 Banquet at Aquarium
hosted bar open19:00, docent guided tour 19:15
dinner served at 20:00

22:00 Bus departs for Asilomar

Thursday, December 5, 2002

07:30 - 08:00 Breakfast in dining room (served cafeteria style 7:30-8:50)

Invited session: CFD Calculations by Various Methods
Chair: Wolfgang Rodi, University of Karlsruhe, Germany

08:00 - 08:25 Use of Computational Aerodynamics for Commercial Vehicle Development at DaimlerChrysler
Juergen Urban, DaimlerChrysler AG, Germany

08:25 - 08:50 Numerical Simulation of the Flow About Truck and Train Models
Dieter Schwamborn & Samira Barakat, DLR, Goettingen, Germany

08:50 - 09:15 Adaptation of Eddy Viscosity Turbulence Models to Unsteady Separated Flow Behind Vehicles
F. Menter, M. Kuntz, CFX, Germany
L. Durand, Ecole Central de Nantes, France

09:15 - 09:40 Simulation of Vehicle Aerodynamics Using a Vortex Element Method
Goeric Daeninck, Gregoire Winckelmans, Universite catholique de Louvin, Belgium
Philippe Chatelain, Michael Rubel, Anthony Leonard, Caltech, USA

09:40 - 10:15 Coffee break

Invited session: Heavy Vehicle Thermal Management
Chair: John Foss, Michigan State University, USA

10:15 - 10:35 Energetic and CFD Modeling Considerations of Thermal Management
Thomas Gielda, Visteon Inc., USA

10:35 - 11:00 Measurement of Underhood Temperatures with Various Ventilations
Ronald Dupree, Caterpillar Inc., USA
(presented by Tanju Sofu, Argonne National Laboratory, USA)

11:00 - 11:25 Assessment of 1-D and 3-D Simulation Techniques to Predict Underhood Ventilation Air Flow and Temperatures for an Off-Road Vehicle Engine
Tanju Sofu, David Weber, John Hull, Jimmy Chang, Argonne National Laboratory, USA
Sudhindra Uppuluri, Jerry Silva, Flowmaster USA
Srinivas Malipeddi, Ron Dupree, Jim Caroll, Caterpillar Inc., USA

11:25 - 11:50 Flowfield and Thermal Management Analysis of the Engine Compartment of an Armoured Vehicle
Robert Kunz, Penn State Applied Research Laboratory, USA

11:50 - 13:00 Lunch in dining room (served cafeteria style 12:00-12:50)

13:00 - 13:45 Invited address:
Experiments and CFD in Train Aerodynamics: A Young and Turbulent Association Full of Potential
Remi Gregoire, Alstom Transport, France

Invited Session: Aerodynamics of High Speed Trains
Chair: Remi Gregoire, Alstom Transport

13:45 - 14:10 Recent Studies of Train Slipstreams
Terry Johnson, AEA Technology Rail, UK

14:10 - 14:35 Aerodynamic Effects in Railway Tunnels as Speed is Increased
Vincent Bourquin, Christophe Begiun, Peter Monkewitz, EPFL-LMF, Switzerland

14:35 - 15:00 Flow-Induced Vibration of High Speed Train in Tunnel
Masahiro Suzuki, Railway Technical Research Institute, Japan

15:00 - 15:30 Coffee break

Contributed session: Aerodynamics of High speed Trains, Continued

15:30 - 15:55 How to Reduce the Cross Wind Sensitivity of Trains
Jean-Luc Peters, Siemens Transportation Systems, Germany

15:55 - 16:20 CFD Study of Side Wind Effects on a High Speed Train
Christian Fauchier, Huu-Thi Do, CD adapco France, France
Remi Gregoire, Alstom Transport, France

16:20 - 16:45 Simulation Study of Aerodynamic Force for High-Speed Maglev Trains
Renxian Li, Yingqing Liu, Southwest Jiaotong University, China

17:15 - 18:00 Pre-dinner social hosted by Freightliner LLC, Kiln Room

18:00 - 19:30 Dinner, Seascape dining room (served cafeteria style 18:00-18:50)
UEF Acknowledgement Awards Jules Routbort, UEF Technical Liaison

Friday, December 6, 2002

07:30 - 08:00 Breakfast in dining room (served cafeteria style 7:30-8:50)

Contributed session: CFD Calculations by Various Methods (continued)
Chair: Anthony Leonard, Caltech, USA

08:00 - 08:25 Commercial CFD Code Validation for Heavy-Vehicle External Aerodynamics Simulations
David Pointer, Tanju Sofu, David Weber, Argonne National Laboratory, USA
Everett Chu, Paul Hancock, Bob Bundy, PACCAR Technical Center, USA

08:25 - 08:50 Computational Parametric Study on External Aerodynamics of Heavy Trucks
Ilhan Bayraktar, Langley Full Scale Tunnel, USA
Oktay Baysal, Old Dominion University, USA

08:50 - 09:15 Applicability of Vortex Methods for Aerodynamics of Heavy Vehicles
Kyoji Kamemoto, Yokohama National University, Japan
Akira Ojima, College Master Hands, Inc., Japan

09:15 - 09:45 Coffee break

Contributed session: Aerodynamic Experiments
Chair: Fred Browand, University of Southern California, USA

09:45 - 10:10 Development of a Wind Tunnel Model Mounting Configuration for Heavy Duty Trucks
Jorge Martinez, Texas A&M University, USA
Sunil Jain, International Trucks and Engine Corporation, USA

10:10 - 10:35 A Ground Research Vehicle for Base Drag Studies
Corey Diebler, NASA Dryden Flight Research Center, USA

10:35 - 11:00 Splash and Spray Measurement and Control: Recent Progress in Quebec
Guy Dumas, Jean Lemay, Laval University, Canada
Mario Bussieres, Quebec Department of Transportation, Canada

11:00 - 11:25 Wind Tunnel Evaluation of an Aerodynamic Heat Exchanger
Richard Gaeta, Robert Englar & Graham Blaylock,
Georgia Tech Research Institute, USA

11:25 - 11:50 Evaluating Aerodynamic Drag of (NASCAR) Racing Cars
H. Korst, R. White, University of Illinois at Urbana-Champaign, USA
C. Andrews, Richard Childress Racing, USA
(presented by Anatol Roshko, Caltech, USA)

11:50 - 12:35 Invited address:
Automated Driving of Trucks and Buses: Opportunities for Increasing Productivity and Safety While Reducing Fuel Use and Emissions
Steven Shladover, PATH Program, University of California Berkeley, USA

12:35 - 1:00 Lunch in dining room (served cafeteria style 12:00-12:50)

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