viscosity density ratio

基本解释

The ratio of the kinetic viscosity of a fluid in units of poises to the density of the fluid.
以泊为单位的流体动力粘度与流体密度之比。通常用沱或厘沱作为运动粘度的单位。
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Darcy law are found and the relationships of void ratio coefficient of viscosity and density with permeabilities are obtained as well.
调节孔隙率，粘性系数等参数，给出了渗透率与这些参数的关系曲线。
The effects of parameters such as the gas compressibility, the liquid viscosity, surface tension, density ratio , and velocity ratio, have been considered.
研究较全面分析了气体压缩性、液体粘性、表面张力效应、液气密度比以及滑移速度等重要因素对气体剪切流稳定性的影响。