The analysis result of velocity distribution and boundary layer thickness is put forward in the boundary layer and cored region for laminar and turbulent flow of pipeline.
采用动量积分方法推出了管道流动中的速度边界层方程，给出了管道层流和紊流时速度边界层和核心区中的速度分布、边界层厚度的解析结果，并与冯。
In this paper, under the gas-liquid stratified laminar and turbulent flows, and the mixture turbulence flow by aeration in pipe, the laws of drag reduction have been researched.
本文研究了圆管中气液分层层流、分层紊流及掺气混合紊流情况下的阻力减小规律。
D. tubes, with the results showing the convective heat transfer characteristics depending on the laminar and turbulent flow regimes, tube sizes, and mean temperatures of the suspensions.
开展了小圆管内纳米颗粒悬浮液对流换热及其表面改性影响的实验研究，揭示了流态、流体温度、管道尺寸对流动与对流换热规律的影响。
Structures of the skin friction lines (SFL) appearing on a prolate spheroid in laminar and turbulent flows were investigated and compared by using an improved oil-flow visualization technique.
用改进的油流显示法研究和对比了层流和湍流状态下绕椭球流动的表面摩擦力线结构。
Like in an infinite flow, we find that laminar boundary layer, transition region and turbulent boundary layer also exist along a flat plate in open channel flow boundary layers.
试验研究发现明流光滑平板边界层中，与无限边界绕流平板边界层一样，沿平板有层流边界层，转捩区和紊流边界层三部分。
Simulating results show that laminar, turbulent and wavy flow states are simultaneously subsisting in the evaporating liquid thin-film, and turbulence appears in the arched wave before wipers.
模拟结果表明，蒸发液膜呈现层流、湍流、波动流等复杂流动形态，湍流主要出现在刮膜器前的弓形波内。
For fluids with high viscosities such as polymers, effective mixing is not achievable by turbulent flow and laminar flow is the only method for mixing of fluids with high viscosities.
对于聚合物这样的高粘物系，不可能产生湍流来产生高效混合，层流混合是高粘流体唯一可能的混合方式。
The method is presented to simulate pressure losses and flow velocities in skewed narrow annular geometries for laminar, transition and turbulent non-Newtonian flow.
提出了关于变偏心度环空中计算非牛顿流体在层流、过渡流及紊流状态下压降、流速的方法；给出了流场特性分析及数值模拟结果。
The method is presented to simulate pressure losses and flow velocities in skewed narrow annular geometries for laminar, transition and turbulent non-Newtonian flow.
提出了关于变偏心度环空中计算非牛顿流体在层流、过渡流及紊流状态下压降、流速的方法；给出了流场特性分析及数值模拟结果。
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