查询词典 flutter valve

The calculation results show that the temperature of the valve cone changes periodically, leading to thermal stress changes periodically, which is the main reason of the valve cone pit corrosion; the operating temperature of the valve can be reduced by using the higher thermal conductivity materials; at the Same time, 3-D FEM provides a good theoretical basis in the process of the design and improvement for the parts of ICE.

计算结果表明：气门锥面处周期性的温度变化，会导致周期性变化的热应力，是导致气门锥面疲劳点蚀的主要原因；采用较高导热系数的材料可降低气门的工作温度；同时，三维有限元法能为内燃机零部件的进一步设计改进提供很好的理论依据。

In the ease of large Reynolds number, Reynolds stress turbulence model and computational fluid dynamics was used to simulate the cone valve flow field and investigate emphatically the effect of structural parameters, inlet pressure, outlet pressure, and valve opening on the flow field within cone valve.

在大雷诺数下应用雷诺应力湍流模型和计算流体力学方法对锥阀的内部流场进行数值仿真计算，着重研究阀的结构参数、入口压力、出口压力、阀口开度等对锥阀流场的影响。

According to the CFD models of the paper, the fields of the cone valve, multi orifice valve and wedge valve as well as the coupling of the fluid and solid were studied, which included the pressure field, velocity field and streamline charts.

根据本文建立的CFD流体动力学计算模型，研究了锥形阀、多孔阀板型节流阀、楔形阀内的流场分布，包括压力场、速度场、流线图谱以及阀体的结构应力场等，同时对流体介质与阀杆相互作用进行了复杂的流固耦合的数值模拟分析。

Thrust: 105N; Positioning signal: a double-digit; Positioning time: 180s; With spring reset function: NC - valve closed, NO - the valve to open; Stroke: 2.5mm; Protection class: IP43 (perpendicular to the ± 45 ^ 0), IP41; Ambient Temperature: 1 ℃ to 50 ℃; Installation position: Vertical to 90 ^ 0 angle; Valve connection: M30 × 1.5mm nut.

推力：105N；定位信号：双位；定位时间：180s；带弹簧复位功能：NC -阀门闭合，NO -阀门打开；行程：2.5mm；防护等级：IP43(垂直到±45^0)，IP41；环境温度：1℃到50℃；安装位置：竖直到90^0倾角；阀门连接：M30×1.5mm螺母。

For the second steam, we usually use the steam valve seal as follows: Structural characteristics Metal seal, increased temperature Mud Valves and lifetime use of the product Material selection reasonable guidance suite valve cup and clever use of fluid lubrication to reduce wear and tear Other purposes - steam valve seal This product is broader general Gauge Valves media can be used separately in water, light oil, heavy oil, gas and steam and other non-corrosive fluid.

对于第二种蒸汽，我们通常会选用硬密封的蒸汽电磁阀如下：结构特点采用金属硬密封，提高了产品的使用温度及使用寿命选材合理，阀杯和导向套间巧妙地利用眼镜阀流体的润滑作用，以减少磨损其他用途-硬密封蒸汽电磁阀本产品通用介质范围较广，可分别使用于水、轻油、重油、非腐蚀性气体及蒸汽等流体。

As the valve body and valve cover gasket, you can not remove the valve flap or damper circumstances, forced open a gap, into the raw material brought on the list.

作为阀门中阀体与阀盖间的垫圈，可在不取出阀瓣或闸板的情况下，撬开一缝隙，塞进生料带去就行了。

Fans and pumps are the mechanical properties of square torque characteristics, pump run-time,* the opening of the valve regulating the flow to meet water supply requirements, working conditions and the fan is similar to,* adjusting damper, duct or valve opening tailgate degrees to adjust the blower air volume, pumps flow methods, known as cutting regulation, regulation on cost-cutting process, the fan or pump the inherent characteristics of the same, only * small throttle clearance, baffle or valve opening, artificially increase line resistance, which increases the loss of pipeline system is not conducive to fan, pump energy-saving operation.

风机和水泵的机械特性均为平方转矩特性，水泵运行时，*阀门的开度调节流量来满足供水要求，工况与风机相似，*调节风门、风道档板或阀门的开度来调节风机风量，水泵流量的方法、称为节流调节，在节流调节过程中，风机或水泵固有特性不变、仅仅*关小风门、挡板或阀门的开度，人为地增加管路的阻力，由此增大管路系统的损失，不利于风机，水泵的节能运行。

They are the pressure seal valve, the packed valve, and the diaphragm valve.

它们是压力密封阀，衬垫阀和隔膜阀。

Programs are cut-off valve straight valve, gate valve, diaphragm valves and so on.

直行程式的阀有截止阀、闸阀、隔膜阀等。

Acid-resistant steel and chemical industry valve, gate valve, diaphragm valve and so on.

以及化工用耐酸钢截止阀，闸阀，隔膜阀等。

He's a pretty westernised kind of guy.

他是一个非常西化的人。

National spirit is the moral kingpin for a nation to realize common ideal and goal.

一、中华民族精神的基本内涵党的十六大报告指出：在五千多年的发展中，中华民族形成了以爱国主义为核心的团结统一、爱好和平、勤劳勇敢、自强不息的伟大民族精神。