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transition flow     
相关语句
  过渡流
     3 According to the result of the statistical characteristic analysis, author applies SPRT method to identify the transition flow and the hydraulic grade line method to leak localization in experiment pipe.
     3 根据对试验中水力参数的统计特性分析结果,论述了SPRT法对过渡流的识别和压力梯度法进行漏点定位在输水管道中的应用,并在试验管道中得以验证,收到较好的效果;
短句来源
     Three different methods were used for the simulation of the transition flow region.
     在过渡流区域,选用不同的方法进行模拟,与文献数据比较,对比分析各种方法在这一区域的特点。
短句来源
     The calculation results show that, in transition flow region, the calculating accuracy is much affected by integral step size.
     计算结果表明 ,在过渡流区积分步长对计算精度影响较大
短句来源
     The Reynolds numerical calculation of the preferential flow path in the four different successive stages indicates that the preferential flow in Gongga mountain forest ecosystem is the transition flow between the laminar flow and turbulence flow.
     根据四个不同演替阶段林地中的优先流路径中的雷诺数值计算结果可知,贡嘎山高山生态系统中的优先流是处于层流及紊流之间的过渡流
短句来源
     Since there is a need for numerical prediction of the dynamic characteristics of transition flow, secondary modelling of the mathematical model for two-dimensional and slightly compressible viscous flow results in a more simple numerical prediction method for laminar transition flow and a computer software is developed.
     根据该系统中油液过渡流的动态特性数值预测的实际需要,将二维微压缩性粘流数学模型进行二次模型化处理,对层流过渡流提出了简便的数值预测方法,开发了计算机应用软件。
短句来源
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  过渡水流
     Model experimental studies indicating that when the base slope of spillways changes within the range of 40 degrees to 60 degrees,the water-wing nearly exists in the whole nappe flow,even continuing to the transition flow.
     模型试验表明:当斜坡角度为40°~60°时,水翅存在于几乎整个跌落水流范围内,甚至持续到过渡水流;
短句来源
     Experimental studies of model show that when the base slope of spillways changes within the range of 40 degrees to 60 degrees,the water-wing nearly exists in the whole nappe flow,even continues to the transition flow.
     模型试验表明:当斜坡角度为40°~60°时,水翅几乎存在于整个跌落水流范围内,甚至持续到过渡水流
短句来源
     The conclusions as follows can be found by investigation: water wing is given birth to on the first step of spillway upriversometimes, it exist in the whole runoff range of nappe flow and goes on to the transition flow;
     通过研究可以得到如下结论:水翅往往在溢流坝上游第一级台阶产生,并存在于几乎整个跌落水流流量范围内,且常常持续到过渡水流;
短句来源
     In the Pingdingshan coal mine area, environmental isotopes and cluster analysis techniques were used to confirm and clarify that the conceptual model of groundwater systems (i. e. classification of local and transition flow systems) previously obtained is only suitable for the Cambrian limestone aquifer.
     在平顶山矿区,环境同位素(氢、氧)和统计分析(聚类分析)技术的研究结果,进一步证实和校正了以往对该区水流系统的概念模型,即局部水流系统和过渡水流系统(或西南部和东北部子系统)的划分仅适于寒武系灰岩含水系统;
短句来源
     When H_(dam)/y_c is certain,the difference of energy dissipation ratio under skimming flow,transition flow and nappe flow is insignificant and the number of steps does not affect the energy dissipation ratio;
     当坝坡相同坝高相等时,滑行水流、过渡水流和跌落水流之间的消能率差异很小,并且其消能率大小与台阶个数无关;
短句来源
更多       
  跌落水流
     According to the difference between the ratio y_c/s of critical depth y_c and step height s and the angle ? of spillway slope and the horizontal, the flow regime of stepped spillway can be distinguished, that is nappe flow, transition flow and skimming flow.
     按照临界水深yc与台阶高度s的比值yc/s,以及溢流坝斜坡与水平面的夹角θ的不同,可以将台阶式溢流坝中水流流态分为跌落水流,过渡水流和滑行水流。
短句来源
     The conclusions as follows can be found by investigation: water wing is given birth to on the first step of spillway upriversometimes, it exist in the whole runoff range of nappe flow and goes on to the transition flow;
     通过研究可以得到如下结论:水翅往往在溢流坝上游第一级台阶产生,并存在于几乎整个跌落水流流量范围内,且常常持续到过渡水流;
短句来源
     When H_(dam)/y_c is certain,the difference of energy dissipation ratio under skimming flow,transition flow and nappe flow is insignificant and the number of steps does not affect the energy dissipation ratio;
     当坝坡相同坝高相等时,滑行水流、过渡水流和跌落水流之间的消能率差异很小,并且其消能率大小与台阶个数无关;
短句来源
     Model experimental studies indicating that when the base slope of spillways changes within the range of 40 degrees to 60 degrees,the water-wing nearly exists in the whole nappe flow,even continuing to the transition flow.
     模型试验表明:当斜坡角度为40°~60°时,水翅存在于几乎整个跌落水流范围内,甚至持续到过渡水流;
短句来源
     Experimental studies of model show that when the base slope of spillways changes within the range of 40 degrees to 60 degrees,the water-wing nearly exists in the whole nappe flow,even continues to the transition flow.
     模型试验表明:当斜坡角度为40°~60°时,水翅几乎存在于整个跌落水流范围内,甚至持续到过渡水流。
短句来源
  过渡流动
     Under the assumption of the localization,the formula of pressure and tan-getial stress in the transition flow regions are prestented using the weighted average method over continious flow and free molecular flow. The undetermined constants of the weighted functions are obtained by regression analysis to evaluate the aerodynamic properties of the flow over a blunt body.
     本文在当地化假定下,应用连续流和自由分子流加权平均方法给出过渡流动区域的压力和切向力公式,应用回归拟合方法确定权函数中待定常数,计算了绕物体流动的气动力特性。
短句来源

 

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      transition flow
    The transition flow of a gas between two reservoirs through a two-dimensional slot is studied.
          
    Such effects can be explained in terms of the transition flow behavior of the metals occurring upon the path change.
          
    We only vary fluid pressure to make the Knudsen number go through the entire range of continuum flow, slip flow, transition flow, and molecular flow.
          
    The experiments were carried out in the transition flow regime from continuous to free-molecular flow.
          
    Laminar, turbulent, and transition flow in porous sintered media
          
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