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Longitudinal Load transfer light sensitivity to cargo type, fill level and the impact distance.
Maximum sloshing effect for the case of the lowest fill level 12
while for half fill level the sloshing cargo performs as a dynamic damper, with a maximum effect of 6 in the case of medium impact input
The sloshing effect for the highest fill level yielded a mixed output, with the maximum impact distance producing a positive but moderate effect.
The interaction between the sloshing cargo and the carrying vehicle has been predominantly studied from the perspective of road safety, aiming at characterizing the effects of cargo motion on both, the lateral stability of the vehicles and the respective braking performance. In this regard, one main issue is to objectively clarify the potential effects of the sloshing cargoes, when compared with solid or non-sloshing cargoes. While there are abundant theoretical studies about the comparative effects of one substance and the other on the vehicle performance, only few experimental studies have been reported with that approach. In this paper, the outputs from an experimental study involving the longitudinal load transfer of sloshing and non-sloshing cargoes, is presented. The longitudinal load transfer is characterized in this paper on the basis of the moment of the reaction forces at the wheel-support interface, with respect to the impact spot. Results suggest that for one-quarter fill level, the sloshing cargo produces an amplification of the performance measure (12% maximum) while at half fill level the sloshing cargo damps the outputs (6.31 % reduction), while at high fill levels, the sloshing effect is mixed, as a function of the impact input, from -1.1% at low impact distance, to +6.6 for large impact distance.