pipe friction coefficient

用法例句

Study on the friction coefficient of PCBN compact based on cutting force;

基于切削力的PCBN复合片表面摩擦系数研究

Research on new test method of friction coefficient in extrusion process;

挤压工艺的摩擦系数测定新方法研究

On the friction coefficient of diffusion coefficient model;

基于摩擦系数的扩散模型

Research on determining friction factor in column compression by meshless method;

无网格法标定圆柱体压缩过程摩擦系数研究

Study on Workpiece vs Mandrel Velocity and Friction Factor Relationship of Fully-floating Mandrel Mill(Part I);

全浮动芯棒连轧管机组轧件与芯棒速度及摩擦系数研究(上)

A study on lowering friction factor of rubber materials by acid treatment;

酸处理法降低橡胶材料摩擦系数的研究

Experimental testing is used to measure the dynamic frictional coefficient of the brake-tile on the working condition of simulated promotion.

在模拟矿井提升的工况下,实验测量闸瓦的动摩擦系数。

Tested the frictional coefficient of natural coloured cotton fibers,get that the frictional coefficient of natural coloured cotton is small.

测试了天然彩棉纤维的摩擦系数,得出天然彩棉纤维的摩擦系数较小的结论。

How to measure the frictional coefficient between sheet blank and die quantificationally by experiments is still a problem for the research work on sheet metal forming.

板料成形研究中的一个难点是如何采用实验方法定量测定板料成形过程中板料与模具之间的摩擦系数。

Based on theoretical calculations and experiment,analyzes the sliding property,friction property of the friction hoist and elasticity dynamics property of the wire rope,and points out the method which can prevent the friction hoist transmission from failure,that is,to limit the tension ratio of the wire rope and use the liner of high performance and the coefficient of friction.

在理论计算和试验的基础上,对摩擦轮提升的滑动特性、摩擦特性、钢丝绳弹性动力学特性进行分析,给出了防止摩擦提升传动失效(打滑)方法—限制钢丝绳张力比、采用高性能和高摩擦系数的摩擦衬垫。

The coefficient of friction of POSF is decreased speedily first and then increased smoothly.

考察了储存时间对聚烯烃热收缩薄膜 ( POSF)综合性能的影响 ,研究发现 ,随储存时间增加 ,( 1)POSF的热收缩速率 ( v SR)递减 ,但热收缩率 ( SR)基本不变 ;( 2 )摩擦系数 ( COF)历经迅速降低后缓慢增加 ,直至稳定。

The effect of crystal plane selection of diamond cutting tools on cutting process and perfomance of cutting tools was studied from the viempints of coefficient of friction between diamnod too and work piece material, tool wear and micro-strength of the cutting edge.

本文从刀具与工件间的摩擦系数、刀具磨损及微观强度几个方面研究了金刚石刀具晶面选择对切削过程及刀具使用性能的影响研究结果表明，金刚石和工件间的摩擦系数存在明显的各向异性，沿不同晶面、不同晶向上的摩擦系数相差很大。

It was found in this study that the carbon fibers reinforcements enhanced the tensile strength and hardness, and reduced the friction coefficients and wear rates of the nylon composites compared with the neat nylon materials.

摩擦磨损实验表明:碳纤维增强尼龙复合材料的摩擦系数和磨损率与其拉伸强度和硬度有密切关系。

The experimental results show that the nanosize SiO 2 particles can enhance the wear resistance and reduce the friction coefficients of the nylon composites.

研究表明 ,纳米 Si O2 填充 PA1 0 1 0大幅度提高了尼龙复合材料的耐磨性 ,降低了摩擦系数 。

The results indicate that the friction behaviors of C/C composites are strongly affected by the environment wetness, and their friction coefficients (FC) under wet conditions is lower than .

分析结果表明湿度对炭/炭复合材料的摩擦性能有显著的影响,在湿态下它的摩擦系数明显低于正常干态下的摩擦系数并且随着刹车压力和刹车惯量的增加下降得更快;高温热处理工艺对炭/炭复合材料微观结构有显著影响,通过改变炭/炭复合材料微观结构,适当的高温热处理工艺可以改善湿态下炭/炭复合材料摩擦磨损性能。

Petroff equation

佩特罗夫摩擦系数公式

Maximum Allowable Side Friction Factor

最大容许侧向摩擦系数

static steering friction coefficient

静转向地面摩擦系数

Relative Lubricant Film Friction Coefficient Control System of Survey Design

对油膜滑动摩擦系数测量系统的研究

method for determining coefficient of friction of paper and board

纸和纸板摩擦系数试验方法

Sensitivity Analysis of Friction Coefficient Testing in Sheet Metal Forming;

板成形摩擦系数测量影响因素的研究

The Study of Optimization of Bottom Friction Coefficient of Tide Model in the Bohai Sea, the Yellow Sea and the East China Sea;

渤黄东海潮汐底摩擦系数的优化研究

Theoretical and Experimental Research on Interference Fit Friction Coefficient;

过盈联接摩擦系数的理论及试验研究

Effect of friction coefficient on stress field intensity of gear crack

摩擦系数对齿轮裂纹应力场强的影响

Research on Development of the Connection Equation on Friction Factor of Fluid Resistance

流体阻力摩擦系数关联式演变的探讨

Experimental Study on Cutting Force and Friction Coeffi cient of PCBN Cutting Tool

PCBN刀具切削力及摩擦系数试验研究

Discussion on the serviceability of pendulum friction meter

摆式摩擦系数测定仪操作性能的探讨

All the amorphous alloys have nearly the same friction coefficients under dry sliding condition.

在干摩擦条件下，六种非晶合金显示了相近的摩擦系数。

For sliding contact, the coefficient of kinetic friction Uk is defined as the ratio of the frictional force to the normal force.

滑动接触时，动摩擦系数Uk的定义是摩擦力与法向力的比率。

The Research on Theory and Frictional Coefficient-experiment of Trigonal Slider Based on Tribology;

基于摩擦学三角形滑块的理论及其摩擦系数实验研究

Research of the Influence Factors of the Friction Coefficient between PTFE and Stainless Steel Plate of FPE

PTFE-不锈钢摩擦滑移隔震支座摩擦系数的影响因素研究

E2. the BFC is constant optimized;

2、底摩擦系数为利用伴随法对实验1中的底摩擦系数进行优化后的常数;

Research on the Clibration Device of Airport Runway Surface Friction Tester;

机场跑道摩擦系数测试车自动标定系统的研究