CORRELATION OF FULL-SCALE WIND TUNNEL AND ROAD MEASUREMENTS OF AERODYNAMIC FORCES

CORRELATION DES EFFORTS AERODYNAMIQUES MESURES SUR PISTE ET EN SOUFFLERIE

In the paper the author presents an experimental method of determining the aerodynamic drag acting on a vehicle, from measurements of forces at the wheels taken as they pass over one or more force-measuring plates. The advantage of the method is in the aerodynamically ideal condition encountered on the road as opposed to in the wind tunnel, and in the fact that balancing the forces at the wheels on the road may give precious information during development of the vehicle dynamics. To understand these difficulties, a theoretical model was set up. Then the author carried out tests with an instrumented XM V6 vehicle on the road at the Mothlery test center and at the Ladoux CER Michelin, so that the relative importance of the different variables expressed in the model could be estimated.

• Supplemental Notes:
  • Pub. in Ingenieurs de l'Automobile, Jun/Jul 91.
• Corporate Authors:

  Motor Industry Research Association

  Watling Street
  Nuneaton CV10 0TU, Warwickshire,   England 
• Authors:
  • Zaccariotto, M
• Publication Date: 1991-7

Language

• English

Media Info

• Pagination: 17 p.

Subject/Index Terms

• TRT Terms: Aerodynamic force; Drag; Road tests; Vehicle dynamics; Wind tunnels
• Subject Areas: Highways; Vehicles and Equipment;

Filing Info

• Accession Number: 00642664
• Record Type: Publication
• Files: TRIS
• Created Date: Feb 15 1994 12:00AM