# helical flow

• 螺线流

## helical flow的用法和样例：

### 例句

1. In sum, in the case of laminar flow, the outside helical flow would have a little influence on MF of purity water.
总之，在层流条件下，对于纯净水的微滤，外旋流的方式对微滤通量的影响并不显著。
2. Cui Haiqing,Liu Xisheng.Velocity distribution of helical flow of non Newtonian fluid in eccentric annuli[J].Acta Petrolei Sinica,1996,17(2):76-83.
[6]崔海清;刘希圣.;非牛顿流体偏心环形空间螺旋流的速度分布[J]
3. Adopting helical flow displacement theory can overcome the disadvantage and greatly improve the displacement efficiency.
使用螺旋流顶替理论能克服这一缺点,大大改善顶替效率。
4. In order to research into the flow characteristic of power law fluid's helical flow in concentric annulus,an experimental model was established.
为研究幂律流体同心环空螺旋流的流动特性,建立了流体的同心环空螺旋流动实验模型。
5. Using the estalished theory of eccentric annulus laminar helical flow of Binghamfluid, numeral simulation of the field of laminar axial flow of Bingham fluid in eccentricannulus is accomplished.
应用所建立的宾汉流体偏心环空螺旋流理论,对偏心环空中宾汉流体轴向流流场进行了数值模拟,使流场分析定量化,得到了速度及视粘度分布图像。
6. Helical flow in the annular is a common flow pattern in drilling, and it is an important engineering problem for fast and accurate calculating of the flow field and pressure gradient.
环空螺旋流是钻井液在钻井作业中常见的一种流型,怎样方便、快速及高精度地计算其流速场与压力梯度是一个重要工程问题。