基于分区模型的城市供水管网压力监测点布置

发布时间：2018-06-12 07:32

本文选题：供水管网 + 压力监测点　；参考：《哈尔滨工业大学学报》2014年10期

【摘要】：为掌握整个城市供水管网的压力分布情况,提出基于供水管网分区模型的压力监测点布置方法.首先采用欧氏距离度量供水管网中任意两两节点在一个运行周期内水压波动的相似度;然后按照给定的分区内最大允许欧氏距离限定要求,依次对每根管段上两个端节点的子区归属进行判断,从而实现对管网的分区;最后在各子区内选择一个最能代表本子区节点水压波动情况的节点作为压力监测点.将该分区布置模型应用于东北某市开发区的供水管网,分区结果表明,各子区内的所有节点是连通的,任意两两节点间的欧氏距离均在给定的最大允许值范围内,并且不同的最大允许欧氏距离形成不同精度的分区方案.在各子区内布置一个压力监测点,当压力监测点布置数目为4时,平均相对误差为4.53%,此时基本能反映供水管网的压力分布情况.
[Abstract]:In order to understand the pressure distribution of the whole urban water supply network, a pressure monitoring point layout method based on the water supply network partition model is proposed. First, Euclidean distance is used to measure the similarity of water pressure fluctuation between any two nodes in a water supply network in a running cycle, and then according to the maximum allowable Euclidean distance requirement in a given partition, The subzone of two end nodes on each pipe segment is judged in turn to realize the division of the pipe network. Finally, a node which can best represent the fluctuation of water pressure of the node in each sub-region is selected as the pressure monitoring point. The partition layout model is applied to the water supply network of a development zone in northeast China. The results show that all nodes in each sub-region are connected, and the Euclidean distance between any two nodes is within the given maximum allowable value. And different maximum allowable Euclidean distance forms different precision partition scheme. When the number of pressure monitoring points is 4, the average relative error is 4.53, which can basically reflect the pressure distribution of water supply network.
【作者单位】：哈尔滨工业大学市政环境工程学院;安徽工业大学建筑工程学院;
【基金】：国家自然科学基金资助项目(51178141)
【分类号】：TU991.33

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