friction coefficient

Theoretical Research on the Influence of the Air Content on the Friction Coefficient of Concrete

引气量对混凝土摩擦系数影响规律的理论探讨

Friction coefficient is determined by substance, roughness concentration and lubricant ( may exist ) of the sliding surfaces.

摩擦系数由滑动面的物质 、 粗糙度和 ( 可能存在的 ) 润滑剂所决定.

Under higher loads, the tribolayer is destroyed and then affects its effect of the friction coefficient.

在较高载荷下由于该摩擦转移层遭到破坏,从而影响了其减摩作用的发挥.

The nano tribological friction coefficient of boron carbide increases with the normal load rising.

碳化硼材料纳米摩擦因数随载荷的增加而显著增加.

The convection heat transfer coefficient and the friction coefficient both decrease with the fin height increasing.

翅片高度增加,对流换热系数和摩擦系数减小.

As for UHMWPE-base composites reinforced by Cu powder, the one whose filling Cu powder makes up 15% of the composite by weight has lower friction coefficient and smaller wear value than the others.

填料Cu粉质量分数为15%时的复合材料摩擦系数较小，磨损量较低；

Experimental results show that POB reduces the friction coefficient and increases the wear resistance of PTFE.

结果表明,添加POB降低 了PTFE的摩擦系数,提高了PTFE的耐磨性.

In addition, the dry friction coefficient is 0.44 at the condition of 147 N loading.

块体材料在147N的载荷作用下, 其干摩擦系数为0.

Because friction coefficient between bobbin holder and the base of dead spindle has been changed, spinning tension was controlled well.

由于筒管座对呆锭盘的摩擦系数发生变化，从而有利于控制纺纱张力。

The equation of friction coefficient with deformation resistance was derived.

建立了摩擦因数与变形抗力的关系式.

the coefficient of friction

摩擦系数

A dimensionless coefficient C_b which is dependent on R/ B and bedload friction coefficient is defined This model verifies theoretically the maximal values of rate of bend migration as R/ B is value between 2 and 4.

模式中引入了一个与R/B和床沙摩阻系数有关的无量纲系数C b，从理论上证明了当弯道R/B介于2～4之间时，蠕动速率取最大值。

The influences of load, friction coefficient, seal gap, seal height are calculated.

分别考虑了载荷 、 摩擦系数 、 密封间隙和橡胶密封筒高度对应力分布的影响.

The results show that a higher precipitated calcium carbonate ( PCC) ratio to clay in the mixed pigments resulted in a higher static and dynamic friction coefficient and calendering decreased the surface roughness and the friction coefficient of the coated paper;

结果表明：在沉淀碳酸钙和瓷土混合颜料配方中，沉淀碳酸钙含量较高时涂布纸表面的静态和动态摩擦系数较高，而采用压光可降低涂层表面粗糙度和摩擦系数；

Three-dimensional crimp polyester staple finished with silicon, which has low coefficient of friction, soft handle and good elasticity, is perfect to be as waddings.

由涤纶短纤维制得的三维卷曲纤维，经硅剂整理后，其摩擦系数较低，手感柔软，富有弹性，为较理想的絮填材料。

The measuring results make clear that the changing trends of friction coefficient of the thrust bearing, water film thickness, pressure distribution, and temperature distribution of the thrust pad are consistent with the theoretical results, which also have better attested the conclusion of the theoretical analysis.

试验测试结果表明：摩擦系数变化趋势，水膜厚度、压力分布，以及推力瓦温度分布状况等，与理论计算结果基本一致，较好地验证了理论分析所得到的结论。

A model of friction coefficient of aluminum matrix hybrid composite was proposed.

建立了碳化硅、石墨颗粒混杂增强铝基复合材料的摩擦系数模型.

If the workpiece feed speed is reduced, the friction coefficient will increase.

当工件进给速度减小时, 工件与砂轮磨损平面间的摩擦因数增大.

With special raw material ( raw rubber bearing ) and small friction coefficient; electricity-saving.

含特殊原料原橡胶轴承,摩擦系数小, 更省电.

Different models' responses to various steering conditions, including velocity, front-wheel corner and friction coefficient of road surface, are analyzed, which explain that the tire nonlinearity between slip angle and cornering force have effects on the simulation results.

针对不同的使用参数，包括车速、前轮转角和路面摩擦系数，对不同模型的仿真结果进行比较分析，说明了轮胎的侧偏角和侧偏力之间存在的非线性关系对仿真结果的影响。

Analyses the impact of stamping velocity and lubrication conditions on the friction coefficient and the relationship between friction coefficient and cupping value by simulate results.

根据模拟结果分析了冲压速度和润滑条件对摩擦系数的影响以及摩擦系数与镀锌板杯突值之间的相互影响关系。

It can offer low friction coefficient and good anti-abrasion, be used to semi-dry condition.

它有较低的摩擦系数及优异的耐磨损性, 能在半干燥条件下使用.

Study on sea-bottom friction coefficient by application of three-dimensional model

三维数值模式用于海底摩擦系数的研究

The test of friction coefficient in different pressure and different velocity was carried out.

实现了在不同压力和不同滑速下摩擦系数的测定.

The friction coefficient arisen between the moulding sand and the inner walls of the flask is 0.5 and the angle of friction is 27 °.

型砂和砂箱内壁之间的摩擦系数为0.5，摩擦角约为27°。

Estimation of bottom friction coefficient for a 2-D nonlinear tidal model of the Bohai Sea by the adjoint method

利用伴随同化方法估计渤海潮汐模式的底摩擦系数

This text introduces the accurate calculation formula on the equivalent friction coefficient of V& belt drive according to Euler formula and a new Parameter-the direction angle of friction was brought in.

本文通过推导V带欧拉公式给出了计算V带传动当量摩擦系数的准确公式。并在公式中引入了一个新的参数&摩擦力方向角。

Analyses the effect of frictional coefficient on the zinc-coated sheet process stamping forming by simulate results. ( 3) With combine the finite element simulation and the cupping test to reverse obtained the friction coefficient in process of zinc-coated sheet forming.

随后通过模拟结果分析了摩擦系数对镀锌板的冲压成形影响。（3）运用有限元模拟与杯突试验相结合的方法反求出镀锌板成形过程中的摩擦系数。

A new test device which determines the abrasion and friction coefficient of rollers was designed.

介绍了一种模拟实际工况条件,测定轧辊磨损量及摩擦系数的试验装置.

The results show that surface convexes can reduce the friction coefficient obviously under lubricated conditions.

采用销-盘摩擦试验机评价规则微凸表面在不同载荷和速度下的摩擦学性能.