铁道科学与工程学报2017，Vol.14Issue(3)：437-444,8.
高寒动车组转向架区域积雪结冰数值仿真研究
Research of numerical simulation of the snow icy phenomenon of the high-speed train bogie area
摘要
Abstract
Using Open FOAM to mesh the simplified model of the high-speed train and using SST k-ω turbulence model to simulate the air flow field of its bogie area, the velocity field and the pressure field of the bogie area can be analyzed. The results show that due to the complicated structure of the bogie, the airflow that entrains snow particles will impact the heating elements in the bogie area, which means the positive pressure value of the impact area is much larger than surroundings, and the snow particles are rapidly melting and freezing. At the same time, there are a lot of low speed vortex at the top of the bogie area, and the snow particles are still at the low speed vortex, then fall on the surface of the bogie parts. As the velocity increases, the entrainment of snow particles increases, and the snow or ice in the area is more serious.关键词
高寒动车组转向架/计算流体动力学/SSTk-ω湍流模型Key words
the High-speed Train/CFD/SST k-ω Turbulence Model分类
交通工程引用本文复制引用
冯永华,黄照伟,张琰,高广军..高寒动车组转向架区域积雪结冰数值仿真研究[J].铁道科学与工程学报,2017,14(3):437-444,8.基金项目
中南大学创新驱动计划资助项目(2015CX003) （2015CX003）
国家自然科学基金资助项目(U1334205, 51605044) （U1334205, 51605044）
湖南省自然科学基金资助项目(14JJ1003) （14JJ1003）
国家重点研发计划资助项目(2016YFB1200403, 2016YFB1200403-C-07) （2016YFB1200403, 2016YFB1200403-C-07）
