dimensionless coefficient

The numerical results show that mass ratio, dimensionless relaxation coefficient and dimensionless elastic constant ratio all have influence on the dynamic characteristics and stability of the viscoelastic pipe conveying fluid.

计算结果表明，质量比、无量纲松弛系数及无量纲弹性常数比对输流管道的动力特性均有影响。

The numerical results of average dimensionless equivalent conduction coefficient Keq obtained in this paper agree well with previous experimental results.

在相同条件下计算结果和实验结果符合很好。

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。

This paper describes the methods of fan testing and making fan property curve by dimensionless characteristic coefficient for the cooling fan of air-cooled engines.

论述了风冷发动机冷却风扇的试验法和用无因次特性系数法制取风扇特性曲线的方法。

The evolution of 2/ 1 mode relative to the dimensionless viscous coefficient and the distribution of current density is given.

结果给出了2/1模的演变过程对无量纲粘滞系数的依赖关系和电流密度的分布。

The dynamic compliance coefficient curves and the torsional angle amplitude of a rigid disc versus the dimensionless frequency are presented.

文末数值算例给出了动力柔度系数和扭转角幅值随无量纲频率的变化曲线，并与单相弹性介质情况进行了对比分析。

The use of lower dimensionless integrated coefficient and moderate dimensionless support damping coefficient and/ or higher dimensionless rotor external damping coefficient can decrease the unstable region.

采用较低的无量纲综合系数和适当的无量纲支承阻尼系数和／或较大的无量纲转子外阻尼系数可以缩小失稳区；

Dimensionless coefficient method of designing the welding section of axial pressure component with H shape

焊接H形轴压构件截面设计的无量纲系数法