On aerodynamic noises radiated by the pantograph system of high-speed trains

• 作 者: Hua-Hua Yu Jia-Chun Li Hui-Qin
• 机 构: LMFS
• 出 处: 力学学报：英文版
• 发表日期: 2013年3期
• 关键词: 空气动力噪声 高速列车 受电弓 系统 辐射 空气动力性噪声 行驶速度 列车运行速度 Aerodynamic noise · NLAS · F
• 基金项目: supported by the National Key Technology R＆D Program （2009BAG12A03）, Innovation Project of Chinese Academy of Sciences of China （KJCX2-EW-L02-1）,Acknowledgements The authors appreciate An Yi, Zhang Zi

Pantograph system of high-speed trains become significant source of aerodynamic noise when travelling speed exceeds 300 km/h. In this paper, a hybrid method of non-linear acoustic solver (NLAS) and Ffowcs Williams-Hawkings (FW-H) acoustic analogy is used