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明线会车、隧道会车及过隧道时的高速列车动力响应
Authors
吴晗
孙振旭
+3 more
张敏
曾晓辉
赖姜
Publication date
8 October 2018
Publisher
Abstract
明线会车、隧道会车和过隧道工况下的气动压力波对高速列车的动力响应和运行安全产生很大影响,本文建立了三辆编组的高速列车动力学模型,通过数值仿真得到了列车在三种工况下的车体所受的气动力,基于数值积分分析了列车的动力响应和脱轨系数。研究发现:明线会车和隧道会车工况相比,车辆的侧向运动相反。明线会车和过隧道时,气动载荷对列车的脱轨系数影响较小,而隧道会车时,气动载荷作用对尾车的安全性影响较大
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 28/04/2019