强侧风作用下带制动风翼板高速列车气动力和力矩特性  

Aerodynamic force and moment characteristics of high‑speed trains with brake wind plates under strong crosswind

作　　者：谢红太 王红[1] XIE Hongtai;WANG Hong(School of Mechatronic Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China;Railway Planning and Design Institute,China Design Group Co.,Ltd.,Nanjing 210014,China)

机构地区：[1]兰州交通大学机电工程学院,甘肃兰州730070 [2]华设设计集团股份有限公司铁道规划设计研究院,江苏南京210014

出　　处：《武汉大学学报（工学版）》2024年第8期1114-1121,共8页Engineering Journal of Wuhan University

基　　金：国家自然科学基金项目(编号:72061022);甘肃省重点研发计划项目(编号:23YFGA0040)。

摘　　要：基于三维定常不可压的黏性流场N-S(Navier-Stokes)及k-ε(湍动能-耗散率)双方程模型,采用计算流体动力学方法对强侧风作用下带制动风翼板高速列车的气动力和力矩特性,分别从不同运行速度等级及不同偏航角列车所受气动阻力、升力、侧向力、滚转力矩、偏航力矩及俯仰力矩等方面进行了数值模拟分析,同时与不带制动风翼板高速列车所受气动力和力矩特性进行对比。Based on the three-dimensional steady and incompressible viscous flow field N-S(Navier-Stokes)and k-ε(turbulent kinetic energy-dissipation rate)double equation model,computational fluid dynamics method is adopted to analyze the aerodynamic and moment characteristics of high-speed trains with brake wind plates under strong crosswind.The performances of the aerodynamic resistance,lift,lateral force,rolling moment,yaw moment and pitching moment of trains with different running speed classes and different yaw angles are numerically simulated and analyzed.At the same time,the aerodynamic forces and moments of high-speed trains with and without brake wind plates are calculated and explained in detail.

关 键 词：高速列车 空气动力学 气动特性 制动风翼板 侧风 

分 类 号：U266.2[机械工程—车辆工程]