质子交换膜燃料电池堆振动模态分析  

Vibration Mode Analysis of Proton Exchange Membrane Fuel Cell Stack

作　　者：刘行 LIU Xing

机构地区：[1]上海捷氢科技有限公司,上海201805

出　　处：《上海汽车》2022年第1期2-6,共5页Shanghai Auto

摘　　要：文章对某大功率质子交换膜燃料电池堆的振动模态进行分析,采用等效模型的方法,建立燃料电池堆模态分析三维有限元模型,分析了其固有频率和模态振型。利用正交各向异性材料对燃料电池堆内部复杂的结构进行等效分析,极大地提高了建模分析效率。通过正交试验设计,找到影响燃料电池堆一阶模态的主要因素。将仿真结果与试验结果进行比较验证,结果表明该模型计算一阶模态具有较高的准确度,满足工程应用要求。The vibration mode of a high-power proton exchange membrane fuel cell stack is analyzed.Equivalent model method is adopted to establish 3D finite element model for fuel cell stack mode analysis,and its natural frequency and modal shape are analyzed.The complex internal structure of fuel cell stack is equivalent by using orthotropic materials,which greatly improves the modeling and analysis efficiency.Through orthogonal experimental design,the main factors affecting the first-order mode of fuel cell stack are found.The simulation results are compared with the experimental results.The results show that the model has high accuracy in calculating the first-order mode and meets the requirements of engineering application.

关 键 词：模态 等效模型 有限元分析 燃料电池堆 

分 类 号：TM911.4[电气工程—电力电子与电力传动]