梯形断面
- 网络trapezoidal cross-section
![梯形断面](../cache/1415797.jpg)
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梯形断面明渠中纵向离散系数研究
Study on longitudinal dispersion coefficient in open channel trapezoidal cross-section
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利用VISUALBASIC6.0(中文版)建立平底棱柱体梯形断面明渠水跃计算的数值方法。
Visual Basic 6.0 ( Chinese visual ) is adopted to build the value counting method for jumping count to flat bottom prism trapezium section open canal .
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采用粒子图像测速(PIV)技术和平面激光诱导荧光(PLIF)技术测量了水槽中水流的流场和污染物质扩散输移的浓度场,得到了梯形断面水槽中物质的横向扩散系数。
The water flow velocity and pollutant concentration distributions were measured by a particle image velocimeter ( PIV ) and planar laser induced fluorescence ( PLIF ) to calculate the transverse diffusion coefficient .
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目前计算梯形断面明渠临界水深hk的常用方法有试算法、图解法、近似公式法和迭代法,它们存在计算精度不高、求解复杂等缺点。
The traditional methods for computing critical water depth of open channel with trapezoid section ( h k ) are trial and error method , graphic method , approximate solution method and iteration method , whose shortcomings are rough precision , large computation amount and complex resolving problem .
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梯形断面水槽中横向扩散系数的实验
Experimental study on transverse diffusion coefficients in an open trapezoidal channel
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梯形断面水力计算的一种新方法
A New Method of Hydraulic Calculating About Trapezoidal Cross Section
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梯形断面明渠临界水深系统求解
The solution of critical depth system in trapezoid open channel
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梯形断面明渠非均匀渐变流水面线计算的数值方法
A Numerical Method for Open & channel Water Surface Profiles of Trapezoid
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梯形断面收缩水深计算的迭代法
An Iterative Method Calculating Water Depth at Vena Contracta in Trapezoidal Cross section
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水力最佳梯形断面的快速计算方法
A Quick Method for Calculating Hydraulic Best Trapezoid Section
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梯形断面明槽中恒定均匀流的流速分布
Velocity Distribution of Steady Uniform Flow in Open Channel with Trapezoid Cross section
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平底棱柱体梯形断面明渠水跃计算的数值方法
Value counting method for jumping count to flat bottom prism trapezium section open canal
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底部含圆弧的梯形断面防渗渠道的水力计算
Hydraulic Calculation of Seepage Control Canal with Cross Section of Trapezium with Circular-arc Bottom
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梯形断面小桥过水淹没标准和孔径计算方法的研究
Research on submergence criterion of discharge of small bridge with trapezoid section and calculation method of the aperture size
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本文将明渠及其上游的堰闸视为一个水力系统,然后研究梯形断面明渠过流能力的可靠性。
The reliability analysis on capacity of a trapezoidal open channel which with its upstream weir of sluices is taken to be a series connecting hydraulic system is given in this paper .
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在应用计算机辅助设计技术进行离心泵的三维实体设计中,离心泵扩散管是由梯形断面到圆形断面过渡的不规则曲面,必须建立设计扩散管的数学模型。
As centrifugal pump diffuser has irregular curved surface which transits from trapezoidal section to circular cross section , when using computer aided design technology to carry through the integrated design of centrifugal pumps , mathematical model of the diffuser needed to be built .
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在原梯形断面蓄水沟的基础上增设一个台阶,并将植物幼苗种植于台阶上,大大改善了植物幼苗的水肥条件,提高了成活率和生长速度。
A terraced gutter is a original stair Surface gutter to store water on which a terrace has been added , and plant sprouts grow on the terrace , that greatly change the water and fertilizer condition of sprouts , and raise the live rate and growing speed of sprouts .
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U形及弧形底梯形渠道断面水力计算的搜索法与程序
Searching Algorithm And Program for Hydraulic Calculation of Cross Section of U-shaped And Trapezoidal Channel with Arc Bottom
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梯形渠道断面流速分布规律及测流技术试验研究
Study of Velocity Profile and Measure Technology in Open Channel of Trapezoid Cross-Section
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并通过算例比较证实,复合断面水力最佳断面的面积和水面宽度比梯形水力最佳断面的小。
It is shown that the optimal hydraulic section for compound canal has smaller section area and narrower breadth of water surface than trapezoidal canal by calculation and comparison .
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用有限元方法对液压传动中异形断面&等腰三角形、梯形和矩形断面流道进行数值模拟.获得了不同流动条件下的流场;
The finite element method is employed to simulate numerically the non-circular cross section ducts , Such as the equilateral , terrace and rectangular cross section conduits used in hydraulic transmission .
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弧底梯形明渠水力最佳断面设计
Optimum Hydraulic Section Design for Open Trapezoid Channels with Curved Bottom
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梯形渠道水力最优断面设计方法研究
Study on the Designing of Hydraulic Optimum Section of Trapezoid Channel
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梯形渠道水力最佳断面参数的快速确定方法
Rapid Determining Method for optimal section of trapezoid open canal
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田间梯形衬砌渠道纵横断面优化设计
Optimal Design of trapezoidal Lined Canal sections