We have established the continuity equations under train pipe leakage condition and presented an explicit finite difference method to solve the pressure-velocity coupling equations.
建立了考虑列车管泄漏的连续性方程，给出一种求解压力速度耦合方程的显式有限差分算法。
The system can calculate the braking distance according to the fixed reduction of train pipe pressure, and the best reduction of train pipe pressure with the desired parking location.
系统根据给定列车管减压量可计算相应的制动距离，也可根据设定的停车目标位置反推出所需要的列车管减压量。
This is normally done by charging the brake pipe fully from one end of the train and checking that it has charged at the other end.
通常的做法是从列车制动管的一端充气，观察另一端的变化。
The testing method using fall size substance specimens is introduced for transmission shaft, oil well pipe, train pothook, cover of sewer well.
介绍了传动轴、油井管、火车挂钩、窨井盖等全尺寸实体试件试验方法与工程实际应用情况。
During using, the automatic train stopping generator can be installed and communicated between the braking pipe and the braking cylinder pipe of the tail dumping box of the train.
在使用时，可安装于列车尾部车箱的制动管与制动缸管之间，并与之相通。
By use of modern computational fluid dynamics method (CFD), 2-dimension air-charging characteristics model of the heavy haul train air brake pipe system is built.
应用现代计算流体动力学数值方法，首次建立了长大列车空气管系的二维充气特性模型。
The utility model makes the dustproof gate close automatically under the condition of non-connection to prevent foreign bodies from entering the train brake pipe and affecting the safety of running.
该装置在非连接状态下使防尘门自动关闭，防止异物进入列车制动管系影响行车安全；
This paper presents a process of a "Portable Testing Instrument for Train Brake Pipe Gas Pressure", including hardware design and software development.
本论文完成的工作包括便携式列车管气体压力测试仪的硬件设计与软件开发。
Step furnace was also used on the train axle production line, pipe production line heat treatment.
步进炉还被采用在火车轮轴生产线、钢管热处理生产线。
A/C system, PTC(power train cooling), Cooling Module, HVAC model, Pipe Ass'Y etc.
系统集成，冷却模块总成，空调箱总成等。
A/C system, PTC(power train cooling), Cooling Module, HVAC model, Pipe Ass'Y etc.
系统集成，冷却模块总成，空调箱总成等。
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