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首页> 外文期刊>Arabian Journal for Science and Engineering >Loss of Energy in the Converging Compound Open Channels
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Loss of Energy in the Converging Compound Open Channels

机译：汇聚的复合明渠中的能量损失

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摘要

In overbank flow due to the interaction mechanism between the main channel and floodplain, the flow property of the compound sections gets affected. The complexity is more when the compound channels have non-prismatic floodplains. Additional complexity occurs during the interaction between the subsections as well as due to non-uniformity of flow through converging parts of the compound channel. For prediction of flow, calculation of energy loss parameters from section to section is an important task for river engineers. In this paper, an experimental investigation for the energy losses of converging compound channels for different flow depths along the converging path is performed. The loss of energy due to contraction and compound geometry for a compound channel is evaluated, and the dependency of energy loss for such channels is analyzed. A generalized multivariable regression model has been developed to predict the energy slope with high accuracy. Using the expression of the energy loss concept, the discharge capacity in the converging compound is found to provide good results as compared to other standard model exists in the literature.
机译：由于主干道与洪泛区之间的相互作用机制，在高岸流量中，复合断面的流动特性受到影响。当复合渠道具有非棱镜洪泛区时，复杂度更高。在子部分之间的相互作用期间以及由于通过复合通道的会聚部分的流动的不均匀性，会导致额外的复杂性。为了预测流量，计算断面之间的能量损失参数是河流工程师的一项重要任务。本文对沿汇聚路径不同流动深度的汇聚复合通道的能量损失进行了实验研究。评估了由于复合通道收缩和复合几何形状导致的能量损失，并分析了此类通道能量损失的依赖性。已经开发了广义多变量回归模型来高精度预测能量斜率。与文献中存在的其他标准模型相比，使用能量损失概念的表达，发现会聚化合物的放电容量可提供良好的结果。

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