基于动量方程的挖深式消力池深度的计算

摘要

【Objective】 The simplified calculation method of the depth of deepened-stilling basin was proposed to improve the design of deepened-stilling basins.【Method】 The traditional calculation formula of the depth of deepened-stilling basins was simplified and the neoteric depth calculation method was established based on the momentum equation.【Result】 The simplified iteration formulas of the depth of deepened-stilling basin based on the traditional calculation and the momentum equation were obtained.The two iteration methods were compared with other formulas to calculate two real cases.Results of various methods were general consistent.【Conclusion】 The iteration formula of the depth of deepened-stilling basin based on the momentum equation can improve the design of the depth of deepened-stilling basin with simplified computational process and high accuracy.%【目的】研究挖深式消力池深度的简化计算方法,为挖深式消力池的设计提供参考。【方法】对挖深式消力池深度的传统计算公式进行化简,通过动量方程研究建立新的消力池深度计算方法。【结果】给出了挖深式消力池深度传统计算的简化迭代公式,建立了基于动量方程的挖深式消力池深度迭代计算公式,并通过实例对上述2种迭代公式及其他消力池深度计算公式的计算结果进行了比较,显示各种方法的计算结果基本一致。【结论】所建立的基于动量方程的挖深式消力池深度迭代计算公式计算过程简单、精度高,且避免了试算的困难。