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|Title: ||Base pressure and flow-field measurements on a generic SUV model|
|Authors: ||Wood, Andrew|
Forbes, David C.
Gaylard, Adrian P.
|Issue Date: ||2015|
|Publisher: ||© SAE International|
|Citation: ||WOOD, A. ... et al., 2015. Base pressure and flow-field measurements on a generic SUV model. SAE International Journal of Passenger Cars- Mechanical Systems, 8 (1), pp. 233-241.|
|Abstract: ||The pressure on the base of a vehicle is a major contributor to the aerodynamic drag of all practical vehicle geometries, and for some vehicles, such as an SUV, it is particularly important because it can account for up to 50% of the overall drag. Understanding the mechanisms that influence the base pressure and developing our simulation tools to ensure that base pressure is accurately predicted are essential requirements for the vehicle design and engineering process.
This paper reports an experimental study to investigate the base pressure on a specifically designed generic SUV model. The results from ¼ scale wind tunnel tests include force and moment data, surface pressures over the base region and particle image velocimetry (PIV) in the wake.
Results are presented for the vehicle in different ride height, underfloor roughness and wheel configurations and the paper includes some description of the experimental errors. Some initial CFD simulations are also reported.|
|Description: ||Copyright © 2015 SAE International. This paper is posted on this site with permission from SAE International, and is for viewing only. Further use or distribution of this paper is not permitted without permission from SAE.|
|Version: ||Accepted for publication|
|Publisher Link: ||http://dx.doi.org/10.4271/2015-01-1546|
|Appears in Collections:||Published Articles (Aeronautical and Automotive Engineering)|
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