In order to research the influence on flow measurement of velocity profile changes in annular space caused by instrument offcenter or inclination etc. , velocity profile in annular space is simulated and studied by the finite element analytical method.
为考察在实际测井时仪器由于偏心、倾斜等情况造成的环形空间中流速剖面的变化对流量测量的影响,通过有限元分析方法对电磁流量计和油管环形空间的流速剖面进行仿真研究。
参考来源 - 电磁流量计在聚合物溶液中的响应特性In recent years, the view on the carotid artery bifurcation asymmetry inlet velocity profile has been concerned and supported by scientists at home and abroad.
近年来关于颈动脉分叉的不对称入口速度剖面的观点已得到国内外学者的关注和接受。
参考来源 - 弯曲颈总动脉内流场的模拟实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The viscosity of the fluid has no direct effect on the velocity profile .
流体的粘度对速度场没有直接影响。
The velocity profile in vertical section, cross section and side section is given.
画出了涡流室纵截面、横截面和侧截面上的速度矢量图。
It is difficult to simulate a velocity profile with the traditional least square method.
传统的最小二乘法拟合流速剖面存在一定的困难。
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