CAJ | 학술논문

从管网平差的定义和在供水管网系统设计中的重要性出发,指出了采用哈代-克罗斯法的弊端和EPANETH在管网平差中的算法及适用范围.选取了1个有清水池和水塔的给水管网的例子,在软件上直接建立管网模型,从管段、节点信息输入及处理方面入手,阐述了如何应用EPANETH来计算有水塔管网情况.结果用管段流量-节点压力图、管段流速-节点需水量图、节点总水头-管段流量图等表现,并详细说明了管段直径设计原则和做法;详细校核了水塔转输工况和自由水压情况,通过分析得出根据最高时确定的管径,不能满足转输时进入水塔流量的结论;最后通过反复调整个别管段管径,达到了要求,各节点的自由水压均满足要求;指出了软件使用时的一些注意事项.
종관망평차적정의화재공수관망계통설계중적중요성출발,지출료채용합대-극라사법적폐단화EPANETH재관망평차중적산법급괄용범위.선취료1개유청수지화수탑적급수관망적례자,재연건상직접건립관망모형,종관단、절점신식수입급처리방면입수,천술료여하응용EPANETH래계산유수탑관망정황.결과용관단류량-절점압력도、관단류속-절점수수량도、절점총수두-관단류량도등표현,병상세설명료관단직경설계원칙화주법;상세교핵료수탑전수공황화자유수압정황,통과분석득출근거최고시학정적관경,불능만족전수시진입수탑류량적결론;최후통과반복조정개별관단관경,체도료요구,각절점적자유수압균만족요구;지출료연건사용시적일사주의사항.
Starting from the definition and the importance of pipe network adjustment in water supply system design, this paper points out the traditional pipe network adjustment by Hardy Clowes method shortcomings, by referencing water supply network with a pool and a water tower for example, directly established network model by the software and from the basic information input and processing aspects, expounds that how to use EPANETH software for water supply pipe network adjustment hydraulic calculation, calculation results by using pipe flow-node pressure graph, pipe flow-nodes need to water graph, nodes total head – pipe flow diagram displayed, it explains the principles and practices of the Pipe diameter design, check the tower transfer condition and free water pressure, by analysis ,the conclusion that the determining the diameter in the highest condition it can’t meet the transfer into the water tower flow, through repeated adjustment of individual pipe diameter of pipe section, and it meets the requirements, each node of the free water meets the requirements, at the end the paper points out some cautions in using the software, in short, the application of EPANETH in the towers of the water pipe network adjustment calculation is the certain practical significance.