Abstract
Rollover threshold is an essential factor in research into road tanker behavior since the accidents involving these vehicles frequently have fatal consequences, especially when their load is of a flammable or toxic nature.The following article presents a method of identifying the influence of liquid motion in a partially filled road tanker. The method is based on simulation using a mathematical model developed with the help of MSA (Multi-body System Analysis) software. This software enables the user to evaluate all the factors that influence rollover stability. Mechanical pendulum methodology has been used to simulate the liquid motion.The road tanker model was tested in compliance with the results obtained by measuring carried out on a SCANIA 124 L truck combined with a ZVVZ trailer. Simulation tests were carried out for the drive on a circular track and in a drive around a roundabout, which is considered the most dangerous manoeuvre in respect to vehicle rollover.
Highlights
Vehicle rollover has always resulted in a serious accident, especially for heavy trucks
Rapid development of road transport combined with significant growth in the number of road accidents has been recently recorded with heavy trucks representing a major share
Heavy vehicle rollover appears to be a serious problem requiring careful evaluation especially for the vehicles transporting hazardous loads, which can be classified as a subject of ADR regulations
Summary
Vehicle rollover has always resulted in a serious accident, especially for heavy trucks. The real situation is more complicated due to a variety of different dynamic effects; a similar simple illustration is not sufficient It is especially so in the case of road tankers that are difficult to describe because of the effects of free liquid motion in the tank. It is estimated that in the year 2010, dangerous substances will make 80 % of all the transported goods Regarding this aspect, heavy road truck rollover, especially road tankers, is clearly a serious and topical problem. Heavy road truck rollover, especially road tankers, is clearly a serious and topical problem This fact is supported by the fact that rollover accidents have recently been the focal point of numerous research works
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