Aerodynamic Performance of Flat-Panel Boat-Tails and Their Interactive Benefits with Side-Skirts

Paper #:
  • 2016-01-8015

Published:
  • 2016-09-27
DOI:
  • 10.4271/2016-01-8015
Citation:
McAuliffe, B. and Wall, A., "Aerodynamic Performance of Flat-Panel Boat-Tails and Their Interactive Benefits with Side-Skirts," SAE Int. J. Commer. Veh. 9(2):70-82, 2016, doi:10.4271/2016-01-8015.
Pages:
13
Abstract:
This paper describes an investigation of the performance potential of conventional flat-panel boat-tail concepts applied to tractor-trailer combinations. The study makes use of data from two wind-tunnel investigations, using model scales of 10% and 30%. Variations in boat-tail geometry were evaluated including the influence of length, side-panel angle and shape, top-panel angle and vertical position, and the presence of a lower panel. In addition, the beneficial interaction of the aerodynamic influence of boat-tails and side-skirts that provides a larger drag reduction than the sum of the individual-component drag reductions, identified in recent years through wind-tunnel tests in different facilities, has been further confirmed. This confirmation was accomplished using combinations of various boat-tails and side-skirts, with additional variations in the configuration of the tractor-trailer configuration. Key findings include the reduced performance associated with lowering the position of the top panel to retain visibility of marker lights, and an observed change in boat-tail performance based on the overall vehicle configuration.
Access
Now
SAE MOBILUS Subscriber? You may already have access.
Buy
Select
Price
List
Download
$27.00
Mail
$27.00
Members save up to 40% off list price.
Share
HTML for Linking to Page
Page URL

Related Items

Technical Paper / Journal Article
2005-11-01
Training / Education
2008-09-18