On this account, the classical Euler's formula based on constant coefficient of friction is thus revised.
考虑到这个因素,对按照摩擦系数为常数而推导出来的欧拉公式进行了修正。
The error analysis of different empirical formula of friction factor is done and the applicable range of these formula is given as well.
笔者对计算摩擦系数的一些经验公式进行了误差分析,对经验公式的应用范围提出了个人的看法。
When friction changing frequency is very close to natural frequency, there will be resonance from the vibration displacement response formula.
由系统振动位移响应公式得出,当摩擦力变化频率与系统固有振动频率非常接近时就会出现共振。
In addition, the reasonableness of the law was analysed and a formula of total skin friction associated with time was obtained.
并对其合理性进行了研究,从而导出一个与时间相关联的整体摩擦阻力模型。
Calculation formula of velocity distribution, boundary layer thickness, friction force and loss of water head are given out, in accordance with the result from theory analysis of similitude solution.
对于速度边界层提出了相似性解的解析结果,给出了速度分布、边界层厚度、摩擦阻力和水头损失的解析计算表达式。
Based on the tire magic formula model, the dynamic variation process of the tire optimal slip ratio and the maximum friction coefficient on the road with the vehicle velocity is researched.
基于轮胎的魔术公式模型,研究了轮胎在路面的最佳滑移率和最大摩擦系数随汽车速度的动态变化过程。
Based on the achievements obtained. the theoretic formula that determine the rut size of the caterpillar tractor and the friction drag coefficient of motion was deduced.
笔者将在此基础上.推导出履带式拖拉机的车辙大小的理论公式及其沿疏松土地行走时的运动阻力系数。
Based on dimension statistics and X -R plot analyse, the deforming rules and the system errors of the friction pads of aircraft brake are studied. The formula of compensate design die has been fund.
在产品抽样分析的基础上研究了盘式飞机刹车摩擦片零件的变形规律及系统误差,对模具进行补偿设计。
In the paper, the formula of economic friction factor for hydronic heating system with intermediate boosting pump station and different laying mode is derived theoretically.
本文从理论上推导出带中间增压泵站、有不同敷设方式的热水供热网经济比摩阻的计算公式。
The formula for calculating the rolling friction factor was developed and established. Based on the analysis of central force action, the formula for circumferential force action is developed.
在完成中心动力作用下的摩擦系数计算公式后,继续用计算法确定周动力作用下的滚动摩擦系数。
The formula for calculating the rolling friction factor was developed and established. Based on the analysis of central force action, the formula for circumferential force action is developed.
在完成中心动力作用下的摩擦系数计算公式后,继续用计算法确定周动力作用下的滚动摩擦系数。
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