3306 内部に信号所のある長大単線トンネル内で離合する列車が受ける圧力変動 : 第3報対向列車の運転状況がトンネル突入時の圧力変動に及ぼす影響(SS1-1 高速化と空力現象,SS1 高度化,高速化,J-Rail 2006)

概要

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An event recorder was installed on a narrow gauge JR Ltd. EMU which was operated with high speed through a signal track long tunnel equipped a signal station for train exchange. The fluctuation of the atmospheric pressure in the EMU was measured when the train was operated through the tunnels, and the results were previously reported on the joint symposium conferences. This time, the fluctuation of the pressure was measured in the long tunnel equipped with a signal station, which eccentrically located near the one side tunnel entrance. As the result of the investigations, the pressure fluctuation had high dependency to the train's rushing speed into the tunnel. However, several exceptional pressure fluctuation was found, and such a phenomenon was caused by the window blew-out from the inside of the tunnel, which was caused by the opposite headed train running in the tunnel with high speed.
2006-12-13