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Aerodynamic effectiveness of the flow of exhaust gases in a generic formula one car configuration

Published online by Cambridge University Press:  03 February 2016

F. L. Parra  and
K. Kontis
F. L. Parra
Affiliation:
University of Manchester, School of MACE, Manchester, UK
K. Kontis
Affiliation:
University of Manchester, School of MACE, Manchester, UK
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Abstract

The effects of the flow of exhaust gases intentionally orientated on the rear wing element of a generic Formula One car body have been studied. A qualitative analysis of the effectiveness of a cold nitrogen jet on a NACA 0012 type of aerofoil has been conducted. The Reynolds number of the jet was 13,000, based on the jet velocity and diameter, and of the bodywork was 54,000, based on the free stream velocity and bodywork length. The lift coefficient was measured via a three-component strain-gauge force balance at four different ground-to-aerofoil heights (32, 45, 60 and 90mm) and incidence range –20 to +20 degrees. The surface flow patterns were visualised using the oil flow technique and were compared with numerical simulations. Pressure measurements were conducted using pressure tappings. The CFD solver was FLUENT. The RNG k-ε model was selected to solve the turbulent flow transport equations. The numerical study also comprised the investigation of the aspiration generated by exhaust gases when these are ejected inside a duct of greater diameter. A parametric investigation relating the relative diameter of exhaust pipe and outer duct and the relative overlap between the sides of the duct and the exhaust pipe was performed.

Type
Research Article
Information
The Aeronautical Journal , Volume 110 , Issue 1111 , September 2006 , pp. 573 - 587
Copyright
Copyright © Royal Aeronautical Society 2006 

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