Drag Forces Experienced by Two, Full-Scale Vehicles at Close Spacing

980396

02/01/1998

Event
International Congress & Exposition
Authors Abstract
Content
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├Žnamely, both vans experience substantial drag savings at spacings of a fraction of a car length.
Meta TagsDetails
DOI
https://doi.org/10.4271/980396
Pages
12
Citation
Hong, P., Marcu, B., Browand, F., and Tucker, A., "Drag Forces Experienced by Two, Full-Scale Vehicles at Close Spacing," SAE Technical Paper 980396, 1998, https://doi.org/10.4271/980396.
Additional Details
Publisher
Published
Feb 1, 1998
Product Code
980396
Content Type
Technical Paper
Language
English