helical flow turbine [机] 螺旋流式涡轮
helical flow field 螺旋流场
laminar helical flow 层流螺旋流流动
helical-flow cooling 螺旋流动冷却
Helical Flow Meters 螺旋流量计
helical flow cooling 螺旋形流动冷却
Secondly, the paper theoretically analyses the forward inadequate research job, and establishes the control equation for numerical calculation of annular helical flow induced by helical casing centralizers.
其次，从理论上分析了以前研究工作中的不足，并建立了由螺旋流道扶正器诱导的环空螺旋流场数值计算的控制方程。
参考来源 - 水泥浆环空流动数值模拟及固井质量控制方法研究A 3-D mass transport model for buoyant neutral mixtures in a meandering channel was developed to analyze the effect of the helical flow on the longitudinal and lateral mixing.
为分析弯曲河道中螺旋流对中性物质纵向和横向混合作用,建立了一种物质输运混合的三维数学模型。
参考来源 - 弯曲河道螺旋流作用下的物质输运三维模拟·2,447,543篇论文数据，部分数据来源于NoteExpress
The helical flow field may be used as an idealized model in borehole.
文中所讨论的螺旋流流场可以作为石油钻井井内流场的理想化模型。
The helical flow of power-law drilling muds in the drill string was studied both theoretically and experimentally.
本文从理论和实验方面研究了石油钻井泥浆常用的幂律液体在钻柱中的螺旋流动规律。
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。
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