• 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.

    试验研究发现光滑平板边界层,与无限边界绕流平板边界层一样沿平板层流边界层,转捩紊流边界层三部分。

    dict.cnki.net

  • 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.

    模拟结果表明蒸发呈现层流湍流波动等复杂流动形态,湍流主要出现膜器弓形内。

    dict.cnki.net

  • When the Reynolds number for Bingham fluid is larger than a certain value, the flow will transfer from the laminar state to the turbulent state as Newtonian flow does.

    牛顿流体一样,宾汉流体雷诺数超过一定后,流动流向紊流过渡

    dict.cnki.net

  • The characteristic parameters of fluid during the transition in boundary layer are obviously different from that of the laminar flow or the turbulent flow.

    边界层流动特征参数明显不同层流湍流,转捩流动这些特征直接影响着流体的动力、传热特性。

    dict.cnki.net

  • 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.

    对于聚合物这样物系,可能产生湍流来产生高效混合层流混合高粘流体唯一可能的混合方式

    dict.cnki.net

  • 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.

    改进油流显示研究对比层流湍流状态下绕椭球流动的表面摩擦力线结构

    dict.cnki.net

  • The method is presented to simulate pressure losses and flow velocities in skewed narrow annular geometries for laminar, transition and turbulent non-Newtonian flow.

    提出关于变偏心度空中计算非牛顿流体层流过渡紊流状态下压降、流速的方法;给出了流场特性分析及数值模拟结果。

    www.dictall.com

  • 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.

    本文研究了圆中气液分层层流、分层紊流掺气混合紊流情况阻力减小规律

    dict.cnki.net

  • When flow rate increases, the flow state in honeycomb hole turns from laminar to turbulent, so it can not always be simplified as incompressible laminar flow;

    载体蜂窝内随着空速的增加气流状态流向紊流转变因此不能简单地将其气流简化不可压层流

    www.aojauto.com

  • 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管道流动中的速度边界层方程,给出了管道层流紊流时速度边界层和核心区中的速度分布、边界层厚度解析结果,并冯。

    www.dictall.com

  • 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及其表面改性影响实验研究,揭示了态、流体温度管道尺寸对流动对流换热规律影响。

    www.keyanjijin.cn

  • 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及其表面改性影响实验研究,揭示了态、流体温度管道尺寸对流动对流换热规律影响。

    www.keyanjijin.cn

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