粘着系数
- 网络adhesion coefficient;Sticking Coefficient
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通过仿真实验,采集蠕滑速度和粘着系数的数据,利用RV-TS模型对粘着特性曲线进行模糊建模。
According to the simulation data of slip velocity and adhesion coefficient , a fuzzy model , RV-TS model , is built to describe the adhesion characteristic curve .
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矿用电机车非同步制动时等效粘着系数的计算方法
Calculation method on equivalent adhesion coefficient of electric locomotive non-synchronization braked
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Si(111)4×1-In表面上铟原子的粘着系数随温度的突变现象
A steep change in the temperature dependence of the sticking coefficient of in atoms on the si ( 111 ) 4 × 1-in surface
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用AES和RHEED研究铟原子在Si(111)4×1-In结构表面粘着系数与温度的关系。
AES and RHEED techniques have been applied to a study of temperature dependence of the sticking coefficient of In atoms on the Si ( lll ) 4 × 1-In surface .
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在110℃以下,几乎为零的铟原子的粘着系数是由于4×1-In结构的原子排列使表面呈现价键饱和状态所致;
At temperatures below 110 ℃, the sticking coefficient for In atoms is close to zero due to saturation of valence bonds resulting from the arrangement of In atoms in the 4 × 1-In overlayer .
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臭氧在冰晶及硫酸铵和亚硫酸铵渗溶冰晶上的粘着系数
The sticking coefficients of ozone on ice and doped ice
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地铁车辆计算粘着系数和牵引电动机功率选用问题简析
Brief Analysis for the Traction Electromotor Power and Subway Car Calculation Adhesion Coefficient
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我国铁路制动粘着系数的试验研究谈定测阶段筑路材料的调查
Survey and Investigation on Braking Adhesion in China Investigation of road materials in positional survey
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浅谈制动粘着系数的定义、影响因素及测试方法
Discussion of the Definition , Affecting Factors and Measurement Methods of the Braking Adhesion Coefficient
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在干燥轨面状态下,选取常用粘着系数以不大于0.27为宜。
An adhesion coefficient of less than 0.27 would be appropriate under dry rail surface condition .
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粘着系数利用程度因制动装备技术水平而异;
Th e level of adhesion used varies with the technical level of the brake equipment ;
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高于120℃,粘着系数始终接近于1。
At temperatures above 120 ℃, the sticking coefficient of In atoms is always close to unity .
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利用一种交替进行状态估计和参数估计的双重滤波算法对机车参考轮对速度进行估计,提出了基于不确定系统滤波的多采样率最优粘着系数估计方法,为优化粘着控制提供参考。
Based on multi-rate theory , the optimal adhesion coefficient estimation is studied which provide reference for optimal re-adhesion control .
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粘着系数,蠕滑,接触应力,塑流,磨耗及表面粗糙度均能在实验室进行模拟。
Adhesion , creep , contact stress , plastic flow , wear and surface roughness can be simulated in the laboratory .
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污油、油水混合物、油水砂混合物三种介质工况下,轮轨粘着系数均随速度增加而降低。
With an increasing speed , the adhesion coefficient of wheel / rail decreases under oil , water and sanding conditions . 3 .
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利用流动管式反应器,在220&260K温度范围内,实验测量了臭氧在低温冰晶及硫酸铵和亚硫酸铵渗溶冰晶表面上的粘着系数。
By flow reactor the sticking coefficients of ozone on ice and doped ice surfaces were measured over the temperature range from 220K to 260K .
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分析了计算粘着系数的取值以及牵引电动机选用问题,并通过论证比较详细说明其意义。
This paper analyzed the choices of calculation adhesion coefficient and traction electromotor , it and through reasoning , it introduced the significance in details .
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我国制动粘着系数公式(湿轨)可扩展应用于更高速度范围;
The authors describe and explain that the formula of braking adhesion coefficient of the Chinese railway ( wet rail ) may be used for higher speed operation ;
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在110&120℃温区内发生的粘着系数的阶跃变化可以用表面熔化所导致的有序-无序的相变模型来解释;
The steep change of the sticking coefficient in the temperature range 110-120 ℃ may be explained by a model of the order-disorder transition arisen from the surface melting .
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试验结果表明:若轴重增大、轮径减小和轮轨间冲角增大,则车轮粘着系数下降。
The results of tests show that the adhesion coefficient of locomotive wheel decreases when tonnage of wheelset , diameter of wheel and angle of attack between wheel and rail increase .
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结果表明:臭氧在低温冰晶表面上的粘着系数随温度升高而增大,其粘着系数为1.3×10-7&2.7×10-6;
The results indicate : the sticking coefficients of ozone on ice is in the range from 1.3 × 10 - 7 to 2.7 × 10 - 6 , and increases with temperature ;
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通过对一些主要参数的研究,本文明确了轨道不平顺、粘着系数、一系纵向刚度、轮对质量和轴重对轮对纵向振动的影响。
Through the parameter studies of track irregularity , adhesion coefficient , longitudinal stiffness of primary suspension , mass of wheelset and axle-load , the influence of them on longitudinal vibration is researched .
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用简化模型详细分析了轨道不平顺、粘着系数、轮对质量、轮对纵向定位刚度等对轮对纵向振动的影响。
Analyses the influences of track irregularity , adhesion coefficient , wheel set mass and longitudinal stiffness in primary suspension to wheel set longitudinal vibration resonance based on the simplify model in detail .
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实验结果表明:在水、油介质条件下,轮轨粘着系数随滚动速度和轴重的增加而降低。
The experimental results indicate that the adhesion coefficient of wheel / rail decreases with an increase of rolling speed and contact load under the water lubrication or oil contamination conditions . 3 .
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阐明了粘着系数的不同定义、实测值的变化范围以及与滑动率之间的变化关系,影响粘着系数的几个主要因素等。
It expounds the various definitions and varying range of measured values of adhesion coefficient and the relation between adhesion coefficient and slip rate , it also expounds the several main factors affecting adhesion coefficient .
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试验不仅得到了完整的粘着力(粘着系数)与蠕滑率的关系,同时得到了粘着系数与运行速度的关系。
By the experiment , not only the relation between adhesion force ( adhesion coefficient ) and creepage has been obtained , but also the relation between adhesion coefficient and speed has been obtained as well .
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粘着系数不是轮轨材料的固有特性,而是轮轨系统的特性,它与轮轨系统结构和工作变量密切相关。
Analysis reveals that the adhesion coefficients indicate the wheel-rail system-dependent interaction characteristics rather than the intrinsic properties of the wheel-rail materials . They are closely related to the structure of the wheel-rail system and operating variables .
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从地铁列车的运行特点出发,提出电传动地铁动车计算粘着系数的计算要考虑大加、减速度的影响,并提出了具体的计算公式。
Starting from the running characteristics of the metro vehicle , it is proposed that influence of acceleration and deceleration should be considered for the calculation of adhesion factor of metro motor vehicle . The calculation formula is also given .
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为了较好地发挥车辆的牵引、制动性能,需要较合理地选择轮轨间粘着系数取值,从而使车辆处于较有利的粘着利用状况。
For better use of the traction and braking characteristics of metro vehicle , the value of the adhesion factor between the wheel and rail should be selected reasonably , so that the vehicle is under a favorable utilization of adhesion .
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粘着摩擦系数的分形几何研究
On adhesive friction coefficient with fractal geometry