绝对粗糙度
- 网络absolute roughness
绝对粗糙度-
通过实验研究了两种常用柔性风管在全伸展状态时的压力损失，得出了它们的绝对粗糙度值。
Studies experimentally the pressure drop of two common kinds of flexible duct in fully extended state and obtains their absolute roughness .
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以流体流动方程为基础，以流体运动粘度和管内壁的绝对粗糙度为基本参数，导出了一组判断牛顿型流体在圆管内流动型态的简便关系式。
Based on a series of fluid flow equations , with kinematic viscosity and absolute roughness as basic factors , several simple relations were derived to estimate flow regimes of Newtonian fluid in round pipes .