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On the Aerodynamics of the Notchback Open Cooling DrivAer: A Detailed Investigation of Wind Tunnel Data for Improved Correlation and Reference

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Non-members (tax incl.)：￥6,600 Members (tax incl.)：￥5,280
Paper/Info type
SAE Paper

No.2021-01-0958

Pages
1-22(Total 22 p)
Date of publication
Apr 2021
Publisher
SAE International
Language
English
Event
SAE WCX Digital Summit 2021

Detailed Information

Author(E)1) Burkhard Hupertz, 2) Karel Chalupa, 3) Lothar Krueger, 4) Kevin Howard, 5) Hans-Dieter Glueck, 6) Neil Lewington, 7) Jin-Hyuck Chang, 8) Yong-su Shin
Affiliation(E)1) Ford Motor Company, 2) Ford Motor Company, 3) Ford Motor Company, 4) Ford Motor Company, 5) Ford Motor Company, 6) Ford Motor Company of Australia, Ltd., 7) Hyundai Motor Company, 8) Hyundai Motor Company
Abstract(E)Since the introduction of the DrivAer in 2012 this model has become the standard generic aerodynamic benchmark and aerodynamic research model used by automotive OEMs, software vendors and researchers. In 2017, the relevance of the DrivAer has been furthered by the inclusion of a simplified engine bay. Whilst the DrivAer has become the popular standard, the availability of detailed wind tunnel test data, a key enabler for more sophisticated aerodynamic benchmarking and research, remains limited. This paper presents a comprehensive set of wind tunnel test data of the notchback version of the Ford Open Cooling DrivAer, including aerodynamic force measurements, detailed surface pressure measurements and flow field measurements at 3 cross-sections in the vicinity of the model. In addition, the paper will discuss the sensitivity of the experimental data to wind tunnel repeatability and facility-to-facility variations. Finally, a comparison of test results obtained for the Ford and the Hyundai DrivAer model will demonstrate the sensitivity of the measured aerodynamic characteristics to physical model build.

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