供水管网水力模型的维护  

Practical maintenance of hydraulic model for water distribution systems

作　　者：何芳 李树平[2] 陈宇辉[3] 马力辉[2] 吴迪 

机构地区：[1]佛山市水业集团公司,佛山528000 [2]同济大学环境科学与工程学院,上海200092 [3]宁波大学建筑工程与环境学院,宁波315211

出　　处：《给水排水》2007年第1期94-97,共4页Water & Wastewater Engineering

摘　　要：采用供水管网水力模型对管网运行状态进行模拟是全面了解管网运行状态的有效方法。管网模型建立后,经过一段时间使用,模拟精度会出现下降的趋势。为恢复模型模拟精度,适应实际给水管网的发展,需要对模型进行维护和管理,内容包括拓扑结构更新、节点流量更新、水泵特性曲线更新、供水系统现场测试以及模型校验等内容。通过实例说明,经过克服在建模和运行过程出现的问题,可以使模型模拟精度恢复到建模之初,而且由于在运行中积累了相关的信息和数据,能够使管网水力模型对管网现状的适应性上升到一个更高的水平。Hydraulic model of water distribution network is an effective instrument to calculate the working status of the water distribution system. Along with the operation age of the model, the deflection of the calculated model data to the observed data will be increased unavoidably, so routine maintenance of the model will be necessary. The renewals include renovation of network topologic structure, node water demand allocation, correction of pump characteristics, field test and calibration of water distribution system, etc. It was proved by case study that if the model maintenance is appropriate, the accuracy of model can not only reach the level of its initial stage, but also rise to a preferable level.

关 键 词：供水管网 水力模型 模拟精度 维护 

分 类 号：TU991.36[建筑科学—市政工程]