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允许流速
相关语句
  permissible velocity
     Permissible Velocity Correction Factors
     允许流速的修正系数
短句来源
  allowable flow velocity
     Discussion on simulation of rock foundation scouring with allowable flow velocity of prototype
     用原型允许流速模拟岩基冲刷方法的探讨
短句来源
  “允许流速”译为未确定词的双语例句
     (2) A formula for revising coefficient on the greatest grant velocity of channel flow is presented, and the formula can calculate revising coefficient according to hydraulic radius and coefficient of roughness;
     (2)推导出考虑沟渠材料性质、断面型式及水深变化的明沟最大允许流速修正系数的计算公式,该式可根据渠道水力半径和壁面粗糙系数,直接计算修正系数的值;
短句来源
     Three relation curves between the ship speed and the flow resistance, the water surface gradient and the sailing velocity, and the allowable maximum flow velocity and the water surface gradient are established.
     水面坡降与相应航速降以及最大允许流速与相匹配的水面坡降等3种关系曲线。
短句来源
     But what these influence are is lack of theory gist and correlative research. Based on analysis of the velocity of slope run-off in different draining manner, the law of pavement and of slope current velocities,and some data are obtained from calculations. By analyzing the relationship between these data and critical velocity of the flow over the slope, some conclusions are gained as follows:(1)pavement draining manner have little influence on protection type of concrete and stone, which can be neglected;
     道路工程师在选用路堤边坡防护型式时,考虑了路面排水方式的影响,但具体有什么样的影响,却缺乏理论依据和相关研究,为此本文在研究不同路面排水方式下边坡汇流流速的基础上,计算得到了不同情况下边坡水流的流速规律及有关数据,并通过分析这些数据与坡面允许流速的关系,得出如下结论:(1)路面排水方式对圬工防护影响较小,可以忽略;
短句来源
  相似匹配句对
     Permissible Velocity Correction Factors
     允许流速的修正系数
短句来源
     Discussion on simulation of rock foundation scouring with allowable flow velocity of prototype
     用原型允许流速模拟岩基冲刷方法的探讨
短句来源
     Symmetry; 3. The velocity of flow wasn't stable ;
     3.流速不稳定;
短句来源
     (6) current velocity;
     6)水流的流速;
短句来源
     ③ Backorder is introduced;
     ③允许订单积压;
短句来源
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  permissible velocity
They also propose an index method that exploits the maximum permissible velocity of the objects to delay expensive updating operations of the index.
      
The calculated maximum velocity for the soil types placed was 1.05 fps which was less than the 1.5 fps acceptable maximum permissible velocity.
      


The design flow rate and separating effciency of wet steam through a metal wire-mesh separator are determined by experiments.

文献介绍了一台用金属丝网汽水分离器流量分配的空气模拟试验。文章最后提出还必须对如何选择通过金属丝网的允许流速进行必要的热态(即在湿蒸汽中)试验。下面就是后一试验的结果。

By using the empirical formulae of the ship resistance, the sailing resistance computation of the ship team for Three Gorges Project open channel navigation has been conducted. Three relation curves between the ship speed and the flow resistance, the water surface gradient and the sailing velocity, and the allowable maximum flow velocity and the water surface gradient are established. Through hydraulic and the ship model tests, the computed results approximate to the experimental values. It demonstrates that...

By using the empirical formulae of the ship resistance, the sailing resistance computation of the ship team for Three Gorges Project open channel navigation has been conducted. Three relation curves between the ship speed and the flow resistance, the water surface gradient and the sailing velocity, and the allowable maximum flow velocity and the water surface gradient are established. Through hydraulic and the ship model tests, the computed results approximate to the experimental values. It demonstrates that the results in this paper can be applied to the selection and improvement navigation condition on the test scheme of the Three Gorges Project open channel. And it might be spreaded to the resistance computation and analysis of the ship-team of the other inland waterways.

本文应用船舶阻力经验公式,对三峡工程明渠施工通航船队,进行了航行阻力计算分析,并建立了水流阻力与航速;水面坡降与相应航速降以及最大允许流速与相匹配的水面坡降等3种关系曲线。通过水力学和船模试验验证,以及对明渠典型航段的航行阻力组成和相应航速降的分析,表明计算成果与试验成果基本一致。证明本文成果可在明渠通航试验方案优化改善通航条件时参考应用,并可推广到其它内河船队的阻力估算和分析。

Some results of a theoretical investigation on magnetohydrodynamic (MHD) flows are presented in this paper. In the flows studied the velocity component perpendicular to the field lines and the variations with time of the physical quantities are allowed. Substituting (7) for v ‖ in every concerned conservation law and the equation of induction, without finding out the solutions, some properties which are relevant to the solutions are derived by the strict analytic method. A simple example of 2 dimensional...

Some results of a theoretical investigation on magnetohydrodynamic (MHD) flows are presented in this paper. In the flows studied the velocity component perpendicular to the field lines and the variations with time of the physical quantities are allowed. Substituting (7) for v ‖ in every concerned conservation law and the equation of induction, without finding out the solutions, some properties which are relevant to the solutions are derived by the strict analytic method. A simple example of 2 dimensional steady MHD flows along magnetic field lines is given.

本文介绍关于磁流体力学(MHD)流动理论研究的一些结果.在所研究的流动中,允许流速垂直于磁场,允许各物理量随时间变化.在各有关的守恒定律和感应方程中引进代换,不经过求解,用严格的解析方法获得了有关解的某些性质.文中给出一个简单的例子.在其中计算二维沿磁力线的稳恒态MHD流动.

 
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