This study enhances the understanding of pneumatic tire–soft soil interaction through experimental work designed to investigate the effect of individual and combinations of tire/soil parameters on the tire/soil behavior. Its outcomes provide significant information to tire manufacturers, to users (for operating conditions selection), and to researchers (for modeling parameters and validation data). To support the development of the Hybrid Soft Soil Tire Model (HSSTM), funded by the Automotive Research Center (ARC), experimental work has been performed on the Terramechanics Rig at AVDL. Although separate publications detail the HSSTM, a short description of the model and its capabilities is also included here. The rig provides a well-controlled environment and ensures repeatable testing conditions. A wireless sensory system that measures tire deflection has been developed and employed for accurate estimation of wheel sinkage. The data collected indicated that, by increasing the soil compaction or the normal load, or by decreasing the inflation pressure results in a higher normalized drawbar pull. The combined effect of increase in soil compaction and decrease in inflation pressure yields an even higher normalized drawbar pull. The sinkage increased dramatically with the slip ratio, growing to values 3–4 times larger at high slip versus lower slip ratios.


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    Titel :

    Experimental testing of an off-road instrumented tire on soft soil


    Beteiligte:
    Naranjo, Scott David (Autor:in) / Sandu, Corina (Autor:in) / Taheri, Saied (Autor:in) / Taheri, Shahyar (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2014


    Format / Umfang :

    19 Seiten, 44 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    Experimental testing of an off-road instrumented tire on soft soil

    Naranjo,S.D. / Sandu,C. / Taheri,S. et al. | Kraftfahrwesen | 2014


    Experimental testing of an off-road instrumented tire on soft soil

    Naranjo, Scott David | Online Contents | 2014


    Instrumented Objective Tire/Vehicle Handling Testing

    Strange, R. J. | SAE Technical Papers | 1982



    Instrumented Objective Tire/Vehicle Handling Testing

    Strange,R.J. / Goodrich,US | Kraftfahrwesen | 1982