查询词典 conical friction rlutch

The results of friction and wear test showed that this wearable composite has lower wear rating, but has bigger friction coefficient.

通过对材料进行摩擦磨损试验，结果表面该耐磨复合材料的磨损率较小，但摩擦系数偏大。

We use different coefficients such as bottom friction, bottom roughness and horizontal turbulent friction for the numerical test.

选用不同的海底摩擦系数、海底粗糙度系数以及水平湍流摩擦系数进行数值试验。

The most powerful tool of tribology study is experiment and all kinds of friction testing system is designed and manufactured for friction test.

但在这些摩擦试验系统上都无法实现摩擦速度实时改变的试验，为了验证摩擦速度变化对摩擦磨损情况的影响，同时也为了研究周期性波动摩擦速度变化下的摩擦材料性能和特点，从探讨非匀速摩擦磨损过程的构思出发，提出构建一种非匀速摩擦磨损试验装置。

Negative friction is always the top important problem in geological engineering, In order to calculate and study the negative friction, displacement coordinated method is improved and the relative displacement between the pile and soil is considered.

为了对负摩阻力进行计算研究，本文对传统的位移协调法进行了改进，考虑了桩土之间的相对位移，并结合土与结构材料接触面的固结快剪试验结果提出了桩土荷载的传递函数。

The different friction coefficient between tube and die is one of the important influences in tube hydroforming. Reduce the friction as possible, it can not only benefit to tube forming, but also reduce axial force effectively.

不同的管坯和模具之间的摩擦系数也是影响管坯成形的重要影响因素之一，要尽量减少摩擦，不仅有利于管坯的成形，还能有效地减小轴向力。

Experimental results indicate that the B/A value greatly affects the internal Nusselt number and friction factor of the twisted tube because the parameters decrease with the increase of B/A and S/d values, more rapidly with the former, and that the Nusselt number and friction factor of the twisted oblate tube increase respectively by 30%~150% and 20%~50%, as compared with those of the smooth tube at the same Reynolds number and Prandtl number.

实验结果表明：高扭曲比螺旋扁管的管内努塞尔数和阻力系数均随B/A值和S/d值的增大而减小，但随B/A值的增加而减小得更快，B/A值对高扭曲比螺旋扁管的管内传热与流阻性能影响更大；在相同雷诺数和普朗特数下，高扭曲比螺旋扁管管内的努塞尔数为光滑管的1.3~2.5倍；阻力系数为光滑管的1.2~1.5倍。

The pressure responses of polymer packaged fiber Bragg grating sensor are analyzed, a special kind of pressure-resistant polymer is used to coat FBG in a metal tube. A kind of soft elastic material is used to reduce the friction between tube and polymer, and to eliminate chirp effect caused by different friction distribution to improve the pressure response of FBG.

分析了聚合物封装光纤光栅的压力响应特性，通过采用特殊聚合物材料将光纤光栅封装于金属套管中，并通过在金属套管预涂覆一层软弹性材料，以消除封装过程中由于聚合物固化收缩以及聚合物与套管壁粘接与摩擦产生的光纤光栅啁啾化，改善了光纤光栅压力响应特性。

The experimental results indicate that, over a ranger of tube side Reynolds number and Prandtl number (Re=4000~20000, Pr=6~7.5), the internal Nusselt number and friction factor of spiral-flat tube increased by 30%-150% and 20%-50% respectively compared with smooth tube at the same Re and Pr. The value of friction factor decreases with increasing the value of B/A as well as increasing that of S/de, and the same phenomena can also be observed for Nusselt number.

实验结果表明：管内Nu和f值均随均随B/A值和S/de值的增大而减小，但随B/A值的增加而减小得更快，B/A值对螺旋扁管管内传热与流阻性能影响更大；在相同Re和Pr下，螺旋扁管管内Nu数为光滑管的1.3～2.5倍；阻力系数f是光滑管的1.2～1.5倍。

According to experiment study of anti corrosive-wear capability about tube and rod friction pair which are made of ordinary materials and surface treatments,some straight figures were drawn about selecting friction pair's corrosive-wear ratio.

对抽油井常用管杆材料以及表面处理后的管杆材料摩擦副耐磨蚀性能进行了试验研究，结果表明：J55与N80普通油管与QT60接箍配合时，接箍磨蚀最小；而无论与哪种接箍对磨，涂层油管最耐磨，并且与非调质钢(FG20)接箍磨蚀时，接箍最耐磨。

Possible cause is that top roller bearing failure "" flufenoxuron, cots from being subjected to excessive friction, or other mechanical reasons, such as inking rollers rupture Peel, with water in chrome-plated iron roller surface is "" Burr "" Peel, and so on, may cause abnormal COTS bear "" friction cause unexpected damage cot.

不定的来因是胶辊轴承生效&卡活&，胶辊秉承超度磨擦而毁坏，或是其它板滞上的来因，如串不朱软辊分裂起皮，带火镀铬铁辊暗不天有&毛刺&，&起皮&等，城市使胶辊秉承&否变态&磨擦造不败胶辊的否预期毁坏。

In other research, chondroitin is being investigated for use in several other conditions.

在其它研究，软骨素被调查用於几个其它情况。

They would make fun of him for having to work.

他们拿他的工作来开玩笑。