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
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
Character testing of piston wind in a underground railway tunnel;
地铁活塞风特性的测试研究
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。
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。
Study on Tunnel Piston Wind in Shenzhen Metro Xiangmihu Island Station;
深圳地铁香蜜湖岛式车站的隧道活塞风研究
Analysis of Aerodynamic Characteristics of PSD under the Piston Wind Influence in Subway
地铁活塞风作用下屏蔽门的气动特性分析
CFD Simulation of a Ventilation System & Piston Wind of Subway Station in Harbin;
哈尔滨某岛式地铁车站通风系统及活塞风CFD模拟研究
Studies on the Coupling Influence of the Pistons Wind and Mechanical Ventilation on Thermal Environment of the Platform of a Subway Station
活塞风与机械风耦合作用下的地铁站台热环境研究
The Test Technology Research of the High Enthalpy Free-piston Shock Tunnel;
高焓自由活塞激波风洞试验技术研究
Piston reshapes study for the air-cooled engine of aerial vehicle
风冷航空发动机的活塞形状恢复研究
Consideration of piston material for DF_4 locomotive diesel engine
关于东风_4型机车柴油机用活塞材质的思考
piston pin snap ring
活塞销锁圈, 活塞销扣环
piston diameter at ring lands
活塞环处的活塞直径
piston ring plier(piston ring tongs)
活塞环钳（活塞环拆装钳）
A DIA PISTON DIAMETER
A DIA 活塞直径
The top part of the piston is the head, or crown.
活塞的顶部是活塞头或者活塞顶。
The plunger or piston of a force pump or hydraulic press.
活塞压力泵或水压机内的柱塞或活塞
Samuuel lived long enough to see the winds of change that swept across the world.
塞缪尔活到足以看到席卷世界的风云变幻的年纪。
The automatic choke includes a thermostatic spring and a vacuum piston.
自动阻风门包括一个恒温控制弹簧和一个真空活塞。
Application tests and their analysis of ceramic piston rings in DF_4 locomotives at Chifeng Locomotive Depot
陶瓷活塞环在赤峰机务段东风_4型机车上的应用试验情况及分析
The braking system features 360 mm diameter ventilated discs at the front with four piston calipers.
制动系统采用360毫米直径的通风盘上的前4活塞卡钳.
The piston end of the rod is attached to the piston by the piston pin, or wrist pin.
连杆的活塞端用活塞销或销轴安装在活塞上。
