2) the three regions of turbulent flow resistance
紊流三个阻力区
3) turbulent drag reduction
紊流减阻
1.
Based on the confirmation of the turbulent drag reduction effect of flexible tubes,an experimental study was conducted on the drag reduction effect by self-excited vibration of flexible tubes with a double-sleeve structure.
在实验确认柔性管紊流减阻效果的基础上,采用双重管结构,对柔性管的自激振动减阻效果进行了实验研究。
2.
Based on there existing the effect of turbulent drag reduction in flexible tubes examined by experiment, the experimental investigation was performed on effect of turbulent drag reduction and character of flow-excited vibration.
在实验确认弹性管确有紊流减阻效果的基础上,对其流激振动特性及紊流减阻效果进行了实验研究。
4) turbulence resistance
紊动阻力
5) turbulence shear stress
紊流切应力
1.
It can be concluded that the velocity gradient and the turbulence shear stress are the pivotal factors in the process of coagulation,through the analysis of the structure of viscous fluid turbulent boundary layer.
通过对粘性流体紊流边界层的结构分析,得到混凝反应中关键性的控制因素,速度梯度和紊流切应力。
6) trip wire
激紊线(阻力试验)
补充资料：肺循环阻力(或全肺阻力)
肺循环阻力(或全肺阻力)
pulmonary circulation resistance
血液在肺部血管内流动时和血管壁之间的摩擦力和血液内部的摩擦阻力。肺动脉管壁较薄，分支短而管径大，故肺动脉的可扩性较大，对血流的阻力很小，仅0.12PRU(外周阻力单位)。肺循环动脉部分总的阻力和静脉部分总的阻力相等，故血液流动时在动脉部分的压力降落和静脉部分的压力降落相等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条