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Wing-Diffuser Interaction on a Sports Car

Lasse Malmkjaer Christoffersen (Institutionen för tillämpad mekanik, Fordonssäkerhet) ; David Söderblom (Institutionen för tillämpad mekanik, Fordonssäkerhet) ; Lennart Löfdahl (Institutionen för tillämpad mekanik, Fordonsteknik och autonoma system) ; Richard Hill ; Louis Kerr
SAE technical paper. SAE 2011 World Congress and Exhibition, Detroit, 12 April 2011 (2011)
[Konferensbidrag, refereegranskat]

Amongst the aerodynamic devices often found on race cars, the diffuser is one of the most important items. The diffuser can work both to reduce drag and also to increase downforce. It has been shown in previously published studies, that the efficiency of the diffuser is a function of the diffuser angle, ground clearance and most importantly, the base pressure. The base pressure of a car is defined by the shape of the car and in particular the shape at the rear end, including the rear wheels. Furthermore, on most race cars, a wing is mounted at the rear end. Since the rear wheels and wing will influence the base pressure it is believed that, for a modern race car, there could be a strong interaction between these items and the diffuser.



Denna post skapades 2011-06-07. Senast ändrad 2016-08-16.
CPL Pubid: 141362

 

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