高速列车车端外风挡气动性能分析

Analysis of Aerodynamic Performance of High-speed Train out Fairing

车端外风挡是动车组车端连接的重要组成部分,本文针对新一代高速动车组车端外风挡的空气动力学性能进行研究,通过流固耦合的数值仿真方法,分别对不同侧壁宽度橡胶外风挡方案进行了气动载荷作用下的受力及位移分析,通过仿真结果对比不同方案外风挡结构流场和动态响应特性,并对不同结构方案外风挡动力学性能进行评估。

The out fairing is an important part of the end connection of high-speed train.This paper investigates the aerodynamic performance of the out fairing on the new generation high-speed train.By employing a computational fluid-structure interaction method,the study conducts an analysis of the stress and displacement under aerodynamic loads for different sidewall width rubber out fairing designs.The simulation results are compared to evaluate the flow field and dynamic response characteristics of different fairing structures,as well as the aerodynamic performance of the various structural schemes.