结合夜间最小流量法的减压阀经济效益模型

发布时间：2018-03-11 11:13

本文选题：遗传算法　切入点：夜间最小流量法　出处：《哈尔滨工业大学学报》2017年08期 　论文类型：期刊论文

【摘要】：为了对城市管道漏失进行有效控制,根据压力驱动漏失水力模型结合夜间最小流量法,确定管网节点的漏失系数,建立考虑压力引起漏失量的改良水力模型——减压阀经济效益模型.该模型使用遗传算法进行求解,以管道漏失量最小化为目标函数,以减压阀最大安装数量、节点压力流量方程、最大允许漏失率为约束条件,求出减压阀安装数量及安装位置,再从所有可行解里面选择一组花费最小的解作为最优解.并以HJ分区为例详细讨论减压阀经济效益模型的求解过程,对实际的管道漏失控制具有指导意义.
[Abstract]:In order to control the leakage of urban pipeline effectively, the leakage coefficient of pipe network node is determined according to the hydraulic model of pressure-driven leakage combined with the nocturnal minimum flow method. An improved hydraulic model, the economic benefit model of the pressure reducing valve, is established, which takes the leakage caused by the pressure as the objective function and the maximum installation number of the pressure reducing valve, taking the minimization of the leakage of the pipeline as the objective function, and using genetic algorithm to solve the model. The nodal pressure flow equation, the maximum allowable leakage rate is the constraint condition, the installation quantity and the installation position of the pressure reducing valve are obtained. Then a group of least cost solution is selected as the optimal solution from all feasible solutions, and the process of solving the economic benefit model of pressure reducing valve is discussed in detail by taking HJ partition as an example, which is of guiding significance to the actual pipeline leakage control.
【作者单位】：哈尔滨工业大学市政环境工程学院;
【基金】：国家自然科学基金(51278148) 国家水体污染控制与治理科技重大专项(2014ZX07405002) 广东省教育部产学研结合项目(2011A090200040)
【分类号】：TU991.33

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