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Drag Forces Experienced By Two, Full-scale Vehicles At Close Spacing

Author

Listed:
  • Hong, Patrick
  • Marcu, Bogdan
  • Browand, Fred
  • Tucker, Aaron

Abstract

The present study aims to document the drag reduction for a two-vehicle platoon by operating two full-scale Ford Windstar vans in tandem on a desert lakebed. Drag forces are measured with the aid of a special tow bar force measuring system designed and manufactured at USC. The testing procedure consists of a smooth acceleration, followed by a smooth deceleration of the platoon. Data collected during acceleration allows the calculation of the drag force on the trail-vehicle, while data collected during deceleration is used to calculate the drag on the lead vehicle. Results from the full-scale tests show that the drag behaviors for the two vans are in general agreement with the earlier conclusions drawn from the wind tunnel tests--namely, both vans experience substantial drag savings at spacings of a fraction of a car length.

Suggested Citation

  • Hong, Patrick & Marcu, Bogdan & Browand, Fred & Tucker, Aaron, 1998. "Drag Forces Experienced By Two, Full-scale Vehicles At Close Spacing," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt50q2p3sn, Institute of Transportation Studies, UC Berkeley.
    • Handle: RePEc:cdl:itsrrp:qt50q2p3sn
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    Cited by:

    1. Wang, Tianshi & Lu, Huapu & Sun, Zhiyuan & Wang, Jianyu, 2023. "Towards higher efficiency and less consumption: Control Strategy and Simulation for CAV platooning," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 613(C).
    2. Browand, Fred & Marcu, Bogdan & Sharpe, Christian, 1998. "The Influence Of Close-following Upon Cooling Module Air Flow," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt4k0693cf, Institute of Transportation Studies, UC Berkeley.

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