山区高速列车车体动态当量泄漏面积阈值

万有财,张雷,李明,刘斌,梅元贵

Maximum dynamic equivalent leakage area while high-speed train passing through tunnels

You-cai WAN,Lei ZHANG,Ming LI,Bin LIU,Yuan-gui MEI

表 8 最不利隧道长度下的当量泄漏面积阈值的最小值

Tab.8 Minimum threshold values of equivalent leakage area of single train at critical tunnels

cm2 v / （km·h−1） 头车 中间车 尾车 500 Pa/s 800 Pa/3 s 1000 Pa/10 s 500 Pa/s 800 Pa/3 s 1000 Pa/10 s 500 Pa/s 800 Pa/3 s 1000 Pa/10 s 250 187.6 96.9 63.9 384.5 190.0 112.9 246.1 130.8 49.7 300 150.0 77.9 47.1 281.8 141.1 73.1 194.2 98.1 36.1 350 124.8 66.8 43.7 223.1 114.0 76.5 140.2 67.4 35.6 400 103.7 60.2 47.3 185.3 99.8 74.2 109.5 56.5 33.7