Study of a wing and a sports car in a wind tunnel

Docs en anglais | 31 pages | 02-09-2006 | Format : | Note : Non noté

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Résumé

The module on Aerodynamics enlightened the importance of practical work in the automotive aerodynamic development. The objective of this practical work in laboratory was to make students aware of the procedure to run tests efficiently and without mistakes and also to let students know about what can be achieved thanks to a wind tunnel device. The practical work was split into several parts: the calibration of the wind tunnel, the study of aerodynamic forces on a wing thanks to pressure distribution measurement, the study of aerodynamic forces on a wing thanks to load cells and the study and the set-up of a whole car model on a moving ground.

Outline:

Introduction

I) Measurement of Wind Tunnel Dynamic Pressure
II) Investigation of the Pressure Distribution around a 2D Aerofoil
III) Characteristics of a scale model speedway rear wing
IV) Aerodynamic Balance Optimisation on a Generic Sportscar Model
V) The effect of rear wing incidence changes
V) The effect of ride height and pitch changes
VI) Vehicle configuration to reach 40/60% lift and maximum L/D ratio

Conclusion

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