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采用国内研制的高速列车通过隧道时压力波计算程序,模拟了特定隧道条件下CRH3动车组单车隧道压力波的基本特性,给出了隧道内、车头车尾处的压力波分布情况,以及对应车内处3 s内最大压差值等随车速变化的规律。同时,比较了动车组在德国和我国隧道条件下压力波的异同点。
This paper simulates the pressure wave characteristics of CRH3 EMU tunnel under specific tunnel conditions by using the pressure wave calculation program of the high-speed train passing through the tunnel in China. The pressure wave distribution in the tunnel rear and front of the tunnel is given, Within 3 s within the maximum pressure difference with the law of speed changes. At the same time, the similarities and differences between the pressure waves of the EMUs under the tunnel conditions of Germany and China are compared.