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Old 05-23-2020, 04:16 AM   #74 (permalink)
Master EcoModder
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Just consider the vertical parts as separation edges (ie stopping the flow wrapping around the corners). Plenty of published evidence in support of this approach, and angling them inwards a little (as you previously suggested) is a good idea.

The horizontal extension at the base of the window has a little support in the literature as a possible means of disrupting vortices in the wake.
Modifying the Aerodynamics of Your Road Car

A really good book that should be added to the library of everyone working in automotive aerodynamics, as well as those making car aero modifications at home. - Rob Palin, former Tesla aerodynamicist
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