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Aerodynamic Forces on Truck Models, Including Two Trucks in Tandem

Author

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  • Hammache, Mustapha
  • Michaelian, Mark
  • Browand, Fred

Abstract

The present wind tunnel experiment describes 6-component force and moment data measured for both the cab and the trailer of a simplified model truck. Forces and moments are presented in coefficient form. The cab is sufficiently smooth that no flow separation occurs at zero yaw. The trailer has rounded forward vertical edges and sharp upper and lower edges. Both cab and trailer have wheels. The test matrix includes variation of the cab-trailer gap, and the yaw angle between the model plane of symmetry and the axis of the wind tunnel. The yaw angle is meant to account for the presence of an over-the-road side-wind. Cab-trailer gap separation is varied from 0-1.55√A, where A is the frontal cross-sectional area of the trailer. Yaw angle is varied from 0-16 degrees.

Suggested Citation

  • Hammache, Mustapha & Michaelian, Mark & Browand, Fred, 2001. "Aerodynamic Forces on Truck Models, Including Two Trucks in Tandem," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt6jr154q9, Institute of Transportation Studies, UC Berkeley.
    • Handle: RePEc:cdl:itsrrp:qt6jr154q9
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    Cited by:

    1. Yifeng Han & Tomoya Kawasaki & Shinya Hanaoka, 2022. "The Benefits of Truck Platooning with an Increasing Market Penetration: A Case Study in Japan," Sustainability, MDPI, vol. 14(15), pages 1-15, July.

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    Keywords

    Engineering;

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