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侧风风场特征对高速列车交会的影响研究

DOI: 10.6052/1000-0879-12-403, PP. 22-28

Keywords: 高速列车,侧风风场,交会压力波,气动力

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Abstract:

为了准确预测侧风环境下列车交会时的气动性能,考虑均匀风和大气底层速度边界型侧风,通过计算流体力学方法对比研究高速列车交会压力波特性和气动力特性.结果表明,两种风场下交会压力波有所不同,但幅值差异不明显;采用均匀风场评估列车侧风环境下交会会高估列车所受气动力.本文对高速列车行驶安全性评估和复杂运行场景的复杂流场的认识具有参考价值.

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