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由于底流池式消能工的水力计算涉及高次方程的求解,且为复杂的隐函数关系,因此,目前的求解计算均需依赖图表或采用试算法完成,即不便实际工作又很难保证成果精度。本文依据池深水力计算的基本公式,采用多维优化拟合法,获得了可直接求解消力池池深的简化计算式,方法直观、简捷,在工程设计实用范围内,成果的最大相对误差小于1.5%。
Because the bottom-flow cell type energy dissipater hydraulic calculation involves solving high-order equations, and is a complex implicit function relationship, therefore, the current calculation and calculation are required to rely on the chart or test algorithm to complete, that inconvenience to work and difficult to ensure results Accuracy. In this paper, based on the basic formula of hydraulic calculation of deep pool, multi-dimensional optimization fitting method is used to obtain a simplified calculation formula which can directly solve the pool depth. The method is intuitive and simple. The maximum relative error of the result is less than 1 .5%.