Abstract
Under 50 km/h frontal collisions, composite cylinders installed in compressed natural gas (CNG) vehicles’ trunks could suffer impact damages caused by luggage modules. The impact damages of cylinders induced by luggage modules were investigated in this paper through undertaking frontal crash sled tests. When performing falling ball impact experiments, with the composite cylinders impact damage critical value of 25 J, the impact bore by the cylinders’ surface can evaluate the safety of cylinders in crash tests. When the cylinders and luggage modules moved at a different velocity in the same direction, the impact that was obtained by simulation analysis was used to appraise the safety of the composite cylinders in frontal collisions.
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