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Study of the effect of vertical airfoil endplates on diffusers in vehicle aerodynamics

Author
Porcar, L.; Toet, W.; Gamez-Montero, P.J.
Type of activity
Journal article
Journal
Designs
Date of publication
2021-07-21
Volume
5
Number
3
First page
45:1
Last page
45:23
DOI
10.3390/designs5030045
Repository
http://hdl.handle.net/2117/352127 Open in new window
URL
https://www.mdpi.com/2411-9660/5/3/45 Open in new window
Abstract
Diffusers and the floor ahead of them create the majority of the downforce a vehicle creates. Outside motorsports, the diffuser is relatively unused, although its interaction with the ground is a consistent field of study owing to the aerodynamic benefits. The diffuser flow behavior is governed by three fluid-mechanical mechanisms: ground interaction, underbody upsweep, and diffuser upsweep. In addition, four different flow regimes appear when varying ride height, the vortices of which have grea...
Citation
Porcar, L.; Toet, W.; Gamez-Montero, P.J. Study of the effect of vertical airfoil endplates on diffusers in vehicle aerodynamics. "Designs", 21 Juliol 2021, vol. 5, núm. 3, p. 45:1-45:23.
Keywords
Aerodynamics, Ahmed body, CFD, Diffuser, Downforce, External flow, Ground-effect, Pressure-recovery
Group of research
CATMech - Centre for Advanced Technologies in Mechanics
IAFARG - Industrial and Aeronautical Fluid-dynamic Applications Research Group
LABSON - Fluid power systems laboratory

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