In this project an attempt has been made to evaluate the use of a narrow-width moving ground facility for wind tunnel testing of racing cars. The investigation concerned boundary layer measurements above a full-width moving belt in order to identify its side-edge effects. Boundary layer measurements were also taken above a narrow belt, while suction was applied along its side-edges. After the boundary layer development was identified for both belt configurations, the effects of the reduced belt width on the aerodynamic forces generated on a 50% scale Formula-1 model were determined. The side-edge effects investigation confirmed a strong interaction between the side-belt edges and the fixed ground, resulting in a boundary layer development above the belt with a significant size that becomes considerably larger towards its trailing edge. The retarded flow contained on it, affects the measured aerodynamic forces generated on the model and as the belt width decreases a bigger influence is expected. However, application of suction between the fixed and the moving ground is very efficient in removing this boundary layer, maximizing the measurement accuracy. Suction along the sides of the belt should be used, regardless of the width of the belt, to create a flat boundary layer above it. This edge suction is absolutely essential for a narrow belt to minimize errors and reduce the need for scaling corrections.


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    Title :

    Use of a narrow belt for moving ground simulation and its effects on the aerodynamic forces generated on a Formula-1 car


    Additional title:

    Die Verwendung eines Laufbandes für die Simulation von bewegtem Untergrund und ihre Wirkung auf die Erzeugung aerodynamischer Kräfte bei einem Formel-1-Auto


    Contributors:
    Dimitriou, I. (author) / Garry, K.P. (author)


    Publication date :

    2002


    Size :

    14 Seiten, 29 Bilder, 10 Tabellen, 6 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Use of a Narrow Belt for Moving Ground Simulation and its Effects on the Aerodynamic Forces Generated on a Formula-1 Car

    Dimitriou, I. / Garry, K. P. / SAE | British Library Conference Proceedings | 2002



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    Carr, G.W. / Atkin, P.D. | Tema Archive | 1997


    Influence of Moving-Belt Dimensions on Vehicle Aerodynamic Forces

    Carr, G. W. / Atkin, P. D. / Royal Aeronautical Society | British Library Conference Proceedings | 1997


    Some Experiences of Ground Simulation with Moving Belt

    Lajos, T. / Hegel, I. | British Library Conference Proceedings | 1994