文中还分析了在摩擦阻力系数一定的情况下，流量与管径的制约关系。
The conditionality between the flow rate and the pipe diameter is discussed when the friction factor is fixed.
通过试验证明了测定的摩擦阻力系数是可信的，拟定的计算方法是实用的。
The results show that the friction factor measured is reliable and the computation method is practical.
通过试验证明了测定的摩擦阻力系数是可信的，拟定的计算方法是实用的。
The results show that the friction factor measured is reliable and the computation method …
计算结果表明，压力高和液体流量大的体系，其摩擦阻力系数和表观粘度值均较高。
The calculation results showed that the friction factor and apparent viscosity of hydrate slurries increase with increasing pressure and flow rate.
结果表明：摇摆条件下摩擦阻力系数随时间周期性波动，波动周期等于摇摆运动周期。
The results show that the friction coefficient in rolling condition fluctuates with time and the period is equal to that of rolling movement.
若流线型物体表面的摩擦阻力系数仅为相对粗糙度的函数，则形状阻力系数与雷诺数无关。
Since if the frictional resistance coefficient is a function of relative roughness, then the form resistance coefficient is independent of the Reynolds number.
摩擦阻力系数随着流速增大而增大，随着温度的升高而减小，而其随着压力的变化特别复杂。
The frictional resistance factor increases with the increase of the flow velocity, decreases with the increase of temperature and its variation law with the pressure is complicated.
雷诺数越小，摇摆运动的周期越小，最大摇摆角度越大时，实验段摩擦阻力系数波动幅值越大。
The smaller the Reynolds number is, the smaller the rolling period is, and the greater the maximum rolling Angle is, the greater the fluctuations in amplitude of the friction coefficient are.
标准风阻值和标准摩擦阻力系数值作为矿井通风技术管理的基本资料对矿井通风管理具有重要意义。
The standard value of ventilation resistance and coefficient of frictional resistance is very significant to the ventilation management of the mine as the basic data.
建立了摇摆条件下圆管内的层流流动模型，推导出无量纲化的速度表达式，得到摩擦阻力系数关系式。
The model of laminar flow in tubes in rolling motion is established. The dimensionless correlation of velocity is derived, and the correlation of frictional resistance coefficient is also obtained.
建立了摇摆条件下圆管内的层流流动模型，推导出无量纲化的速度表达式，得到摩擦阻力系数关系式。
The model of laminar flow in tubes in rolling motion is established. The dimensionless correlation of velocity is derived, and the correlation of frictional resistance coefficient is also obtained.
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