Stress distributions on three orthogonal directions have been measured across the contact patch of truck tyres using the complex measuring system that contains a transducer assembly with 30 sensing elements placed in the road surface. The measurements have been performed in straight line, in real rolling conditions. Software applications for calibration, data acquisition, and data processing were developed. The influence of changes in inflation pressure and rolling speed on the shapes and sizes of truck tyre contact patch has been shown. The shapes and magnitudes of normal, longitudinal, and lateral stress distributions, measured at low speed, have been presented and commented. The effect of wheel toe-in and camber on the stress distribution results was observed. The paper highlights the impact of the longitudinal tread ribs on the shear stress distributions. The ratios of stress distributions in the truck tyre contact patch have been computed and discussed.


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    Title :

    Measurement of stress distributions in truck tyre contact patch in real rolling conditions


    Contributors:

    Published in:

    Vehicle System Dynamics ; 50 , 12 ; 1747-1760


    Publication date :

    2012-12-01


    Size :

    14 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





    Measurement of stress distributions in truck tyre contact patch in real rolling conditions

    Anghelache,G. / Moisescu,R. / Univ."Politehnica" of Bucharest,RO | Automotive engineering | 2012




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