1) piston action induced ventilation
列车活塞风
1.
In order to learn through study the influence of piston action induced ventilation on the underground thermal environment so as to control it and improve the environmental quality, a field test in Beijing underground railway system is conducted when a train start, accelerate, move in constant speed, decelerate and halt.
为了研究列车活塞风对地铁热环境的影响,达到有效地利用和控制活塞风,改善地铁热环境状况的目的,对北京地铁列车从起动、加速、等速、减速到停止等各种运行情况进行了实测,总结出地铁隧道内列车活塞风和车站行人出入口处风速的变化规律。
2) Train piston wind
地铁列车活塞风
3) piston wind
活塞风
1.
Numerical simulation of piston wind and its application in the ventilation of mining tunnels;
活塞风数值模拟及在矿内运输巷道中的应用
2.
Numerical simulation of piston wind due to mine conveyance based on motion reference frame;
基于移动参考框架的矿内运输工具活塞风数值模拟
3.
Character testing of piston wind in a underground railway tunnel;
地铁活塞风特性的测试研究
4) piston-wind
活塞风速
1.
According to the fluid mechanics, the change of velocity of airflow was analyzed, which in the progress of movement of cage, the formula was deduced for calculating the piston-wind by using relative coordinate method.
根据流体力学理论,分析了罐笼在井筒内升降过程中空气的速度变化情况,采用相对坐标法推导了在井筒风速影响下罐笼顺风、逆风和相会时的活塞风速数学计算模型。
5) piston vent
活塞风井
1.
Though the simulative calculation and analysis,as long as piston vents on two sides of each station are in connection with the tunnel and the previous system which the top of railway and the bottom of platform in station is reconstructed exhaust.
通过加装屏蔽门系统必要性的分析及对广州地铁一号线隧道通风工程的研究,提出加装屏蔽门后隧道通风系统设计正常和事故运行方案,通过模拟计算和分析比较得出,只要每个车站两端的活塞风井与出站端隧道连通,原车站隧道的轨顶和站台下回风系统改造成为排风系统,就可以满足正常运行和事故运行的要求。
6) piston tunnel
活塞风洞
补充资料:二风诗·乱风诗五篇·至荒
【诗文】:
国有世谟,仁信勤欤。王实惛荒,终亡此乎。
焉有力恣谄惑,而不亡其国?呜呼亡王,忍为此心!
敢正亡王,永为世箴。
【注释】:
【出处】:
全唐诗:卷240_6
国有世谟,仁信勤欤。王实惛荒,终亡此乎。
焉有力恣谄惑,而不亡其国?呜呼亡王,忍为此心!
敢正亡王,永为世箴。
【注释】:
【出处】:
全唐诗:卷240_6
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条