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·2,447,543篇论文数据，部分数据来源于NoteExpress
传统的最小二乘法拟合流速剖面存在一定的困难。
It is difficult to simulate a velocity profile with the traditional least square method.
论文详细介绍了流速剖面测量系统的硬件设计和软件开发。
The hardware and software design have been particularly introduced in this paper.
实际使用中，声学多普勒流速剖面仪(ADCP)常常处于倾斜状态。
A four-beam acoustic doppler current profiler (ADCP) is often used at an Angle.
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