"Aerodynamic testing and development of Sunswift eVe" by Simon Ambrose and Graham Doig
 

Abstract

The current understanding of the aerodynamic performance of Sunswift’s solar-electric race car eVe is limited, despite the design and manufacture of the vehicle in 2012-13. This paper describes an investigation into the aerodynamic behaviour of the vehicle and details the successive design and development of drag minimisation strategies. A study of the ex­ternal airflow around the vehicle was undertaken through a computational fluid dynamics analysis, with validation offered through the results of real-world track testing. Particular reference is made to the Sunswift team’s successful long-range electric vehicle land speed record attempt on 23 July 2014. A predicted 10% reduction in drag has been achieved through external bodywork modifications as described within this paper. Recommenda­tions for the design of low drag vehicles are also presented, with relation made to the future of sustainable transport.

Disciplines

Aerospace Engineering

Number of Pages

11

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URL: https://digitalcommons.calpoly.edu/aero_fac/155