根据DIN2505的定义,将实测密封系数与DIN2505中推荐的密封系数值进行了比较。
According to the definition of DIN2505, the experimental sealing factor is consistent with the one recommended by DIN2505.
介绍了几种新型中空玻璃密封胶的配制,并对其气体渗透系数、粘接性能、耐候性等进行了讨论和比较。
Preparation of some new sealants for cavity-glass is described, and their gas permeability coefficients, adhesion, weather resistance are discussed and compared.
采用密封设计准则,通过试验确定了金属缠绕式垫片的垫片系数,在此基础上,按照PVRC新方法对法兰螺栓载荷进行了计算。
The sealing design criteria to measure the factors of spiral wound gasket were adopted, based on this bolt loads of flange can be determined by using the new PVRC method.
活性石灰窑结构先进,采用可靠的回转窑两端组合式鳞片密封,使漏风系数小于10%;
Active lime pit is advanced in structure as it adopts reliable both-ends combined type scale sealing, making the air leakage factor below 10%.
计算结果表明,机械密封端面压力分布呈凸抛物线状,增加密封端面锥度可降低摩擦系数。
The calculation results show that the pressure distribution shape is a convex parabola and the increase of the radial taper of the seal face can decrease the friction coefficient.
反压系数的确定是设计副叶轮密封的关键。
The key to design an auxiliary impeller seal is to determine the opposite pressure coefficient k.
根据发表的刷式密封泄漏量试验数据,确定了刷丝束多孔介质的渗透率系数。
Based on the test data published for leaking steam flow rates of brush type seals, determined was the permeability coefficient of the porous medium of the bristle pack.
其中影响系数最大的为空气阻力和密封胶条作用力的影响。
And the biggest influence coefficient is the air resistance and the force generated from sealing.
应用计算流体力学(CFD)方法对转动坐标系下的三维环形密封流场进行了准稳态数值模拟,在此基础上进行了转子动力系数的计算。
Three dimensional annular seal flow field was simulated quasi-steadily with computational fluid dynamics (CFD) method in a rotating reference frame. The Rotordynamic coefficients were calculated.
具有额定流量系数大,可调比大,密封效果好,调节性能灵敏,体积小,可竖卧安装等优点。
It's with large flow coefficient and adjustable, excellent sealing, sensitivity regulate performance, small size, vertical horizontal installed.
分析表明,载荷、密封间隙、橡胶密封筒高度对应力最大值有影响,而摩擦系数影响很小。
The result shows that load, seal gap and seal height have influence on the maximum stress while friction coefficient has little influence on it.
可降低摩擦系数,提高密封的可靠性和使用寿命。
By using it, the friction coefficient can be reduced and the sealing reliability and service life are improved as well.
介绍机械密封常用的密封面载荷、比载荷和载荷系数。
The concepts of load, unit load and loading factor are introduced.
文中提出了一种计算直通型蜂窝密封动力特性系数的方法。
A special method to calculate the straight honeycomb seals' dynamic coefficients was proposed.
具有结构先进,密封性好,抗拉强度高,耐腐蚀,高弹性,自润滑性能好,摩擦系数低等特点。
This product possess advanced structure, good sealing performance, high tensile strength, corrosion-resisting, good elasticity, good self-lubricating character, small friction coefficient, etc.
应用微扰方法和有限元法,对端面气膜密封三自由度微扰下,密封气膜的刚度和阻尼系数进行了数值求解。
The small perturbation method and the finite element method were used to calculate the stiffness and damping coefficients of a gas film with three degrees of freedom for a gas film face seal.
本文介绍了一种用于高压小尺寸往复密封中,具有寿命长、密封性好、摩擦系数小的组合密封,即V型橡胶圈和V型PTFE圈组合密封。
This paper introduces a reciprocating seal with high pressure and small size. The seal is composed of rubber V-ring and PTFE V-ring, and has long lifetime, good sealness and low friction coefficient.
这种材料在水介质中具有较低的摩擦系数和较好的耐磨与密封性能,其使用寿命优于进口的密封材料。
This material possesses a lower friction coefficient, better wear-resistance and seal ability with water medium. Its service life is superior to that of the imported seal material.
分析结果表明,临界密封压力只与橡胶圈的压缩量和密封面摩擦系数有关,与橡胶圈截面半径无关。
The present study shows that there is a critical seal pressure which is only related to the compression ratio and the friction coefficient, but does not depend on the radius of the elastomer ring.
结论指出,半导体致冷只适用于低热容量系统或高压密封系统。扩大应用范围的唯一途径是研究新型高优质系数的常温致冷材料。
The conclusion shows that semiconductor cooling effect can only be applied in low heat capacity system or in high pressure closed system.
本发明提供一种密封装置,其中用于密封装置的弹性部件的粘附性受到抑制,并且在密封装置中滑动的部件的摩擦系数得以降低。
A sealing device in which an elastic member used for the device has reduced adhesion and in which the friction coefficient against a member sliding against the device is reduced.
本实用新型的有益效果是结构简单,摩擦系数小,密封可靠,延长了密封圈的使用寿命。
The sealing structure has the advantages of simple structure, low friction factor and reliable sealing, which can prolong the service life of sealing rings.
它们的特点是结构简单、阻力系数稳定、密封可靠,基本实现了机车走行一个架修期(至少20万公里)不换修油压减振器的目标。
Thus, the target is basically reached that the locomotive can run without replacement of the oil damper between two unwheeling repairs (at least 200 thousand kilometers running).
它们的特点是结构简单、阻力系数稳定、密封可靠,基本实现了机车走行一个架修期(至少20万公里)不换修油压减振器的目标。
Thus, the target is basically reached that the locomotive can run without replacement of the oil damper between two unwheeling repairs (at least 200 thousand kilometers running).
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