【作者】 张觉慧； 余卓平； 张立军； 陶孟章；

【Author】 Zhang Juehui;Yu Zhuoping;Zhang Lijun;Tao Mengzhang;College of Automotive Engineering,Tongji University;Automobile Research Center of SAIC;

【机构】 同济大学汽车学院； 上海汽车集团股份有限公司乘用车分公司；

【摘要】 碰撞安全性是燃料电池轿车面向产业化研发的关键技术之一。本文针对某自主研制的燃料电池轿车,首先分析了氢燃料电池轿车特殊安全性之一的氢安全特点;其次,基于有限单元方法建立了后碰撞仿真分析模型,并对其进行了后碰撞分析;最后,设计后碰撞试验方案,进行了后碰撞试验,分析了燃料电池轿车的后碰撞燃料系统安全性。研究表明,结合虚拟设计和整车试验技术,该燃料电池轿车的后碰撞符合相关法规要求。更多还原

【Abstract】 Abstarct:Vehicle crash safety is one of most important key technologies for the commercialization of fuel cell vehicle.Firstly,the characterization of hydrogen safety of a China-made fuel cell vehicle is analyzed.Secondly,a finite element model of rear crash is established and virtual crash test is carried out.Finally,rear crash experiment is designed and the total vehicle crash test is conducted.The vehicle body deformation,hydrogen storage system safety were analyzed.The results show that the rear crash safety can reach the technique requirement through virtual analysis to vehicle experimental validation.更多还原