The result of the flow experiment shows that the critical re number ( from laminar to turbulence ) decreased when the diameter of the tube becomes smaller 流动实验结果表明，层流向湍流转捩的临界雷诺数随管径减小而减小。
4 . for steady incompressible flows , the effects of reynolds number and thickness of airfoils on the aerodynamic characteristics are studied 研究了在二维定常不可压流动状态下雷诺数和翼型厚度等参数对翼型气动特性的影响。
The characteristics of flow in mini - channels at low reynolds numbers are one of the essential components for the design of mte ( micro turbine engine ) 微小通道内低雷诺数流动特性研究是微型涡轮发动机基础技术研究的重要组成部分。
The experimental results show that the gridding rib has significant effects on heat transfer enhancement . the nuselts number increases as re increases 实验结果表明，网格式内冷通道中，随着来流雷诺数re的增加，通道换热效果增强。
In a reynolds number range of 150 < 6500 , a particle image velocimetry ( piv ) is used to measure and visualize the 2d flow over a backward facing step 摘要利用粒子图像测速技术( piv ) ，对雷诺数150 < 6500范围二维后向台阶的流动进行详细观测。
The reynolds number of the flow is 3000 . the circumferential wave number of psb disturbance is 1 . the frequency of disturbance is 0 . 5 本文计算中流动的雷诺数选定为3000 ， psb扰动的周向波数选定为1 ，扰动频率选定为0 . 5 ，扰动宽度选定为。
Based on the relationship between the resistance coefficient and gas reynolds number , a new equation used for the calculation of the pressure drop was derived 对实验结果进行回归得到了阻力系数与气相雷诺数的关系，并提出了新的气相压降计算模型。
The present results indicate good agreement between the towed plate and the velocity profile methods for all of the surfaces tested 目前的结果表明良好之间的协议拖走板块和流速剖面图方法为所有的表面进行测试。试验对旋转盘进行了高得多的单位雷诺数。
The process of indoor air turbulent flow and heating transfer were analyzed in the typical closed room with floor heating room and radiator heating room respectively 利用phoenics3 . 3商品软件中的低雷诺数k -模型对封闭房间室内空气温度场进行了模拟。
On basis of this solution , the influence of flow to the vibrating pipe is analyzed and the method of obtaining resonant frequency and resonant time are given 之后，根据此解，对来流雷诺数的影响进行了分析，并给出了求解、分析共振频率及共振时刻的方法。
