Record Display for the EPA National Library Catalog


Main Title Assessment of an empirical technique for estimating vehicle aerodynamic drag from vehicle shape parameters /
Author Smalley, William M.
Other Authors
Author Title of a Work
Lee, Warner B.
Publisher U.S. Environmental Protection Agency, Office of Mobile Source Air Pollution Control,
Year Published 1978
Report Number EPA 460-3-78-010; ATR-78(7623-03)-1; EPA 68-03-2482
Stock Number PB-292 160
OCLC Number 40818345
Subjects Motor vehicles--Aerodynamics
Additional Subjects Motor vehicles ; Aerodynamic drag ; Aerodynamic loads ; Wind tunnel models ; Pressure drag ; Chrysler vehicles ; General Motors vehicles ; Ford vehicles ; Volkswagen vehicles ; Porsche vehicles
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EJBD  EPA 460-3-78-010 Headquarters Library/Washington,DC 12/26/2019
ELBD ARCHIVE EPA 460-3-78-010 Received from HQ AWBERC Library/Cincinnati,OH 10/04/2023
ELCD  EPA 460/3-78/010 NVFEL Library/Ann Arbor, MI 06/21/2017
NTIS  PB-292 160 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation [107] pages in various pagings : illustrations ; 28 cm
This report presents the results of a determination of aerodynamic drag coefficient, CD, based on an empirical prediction technique developed by The Aerospace Corporation in a previous EPA-sponsored study. This method utilizes an aircraft type drag build-up approach wherein the total drag is calculated as the sum of CD contributions from components of the vehicle. Component contributions are determined from various body/chassis shape parameters. The present study was directed toward the acquisition and application of vehicle measurements data as required to evaluate aerodynamic road load by this prediction method for comparison with measured values. Twenty 1977/1978 model year passenger cars were examined for which aerodynamic drag coefficients were derived. Comparison of these results with wind tunnel test data on twelve of the vehicles showed good agreement on an average basis; the maximum disparity in an individual result was 18 percent.
"EPA 460-3-78-010." "July 1978." Cover title. EPA contract no. 68-03-2482; EPA project officer: Glenn D. Thompson. References follow section 5.