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针对一致渗漏供水管网,提出了一致点式渗漏模型,使单点渗漏与整个管网的渗漏水平协调。在同一渗漏水平下,比较了不同渗漏模型和不同压力指数下,管网水力状态的变化。分析表明:节点水压对渗漏模型没有管线流量和渗漏流量那么敏感;渗漏模型中的压力指数对管网水力状态的影响不大。两类渗漏模型对直接连通水源的管线渗漏非常敏感;当直接连通水源的管线渗漏时,管网渗漏将集中到这几根管线上,与管网一致渗漏假定不符。在模拟管网一致渗漏时,需要先排除直接连通水源的管线的渗漏。
Aiming at the uniform leakage water supply pipe network, a uniform point leakage model is proposed, which makes the single point leakage coordinate with the leakage of the whole pipe network. Under the same seepage level, the changes of hydraulic state of the pipe network under different leakage models and different pressure indexes were compared. The analysis shows that the node water pressure is not as sensitive to the leakage flow as the leakage flow and the leakage flow. The pressure index in the leakage model has little effect on the hydraulic state of the pipeline. Two kinds of leakage models are very sensitive to the pipeline leakage directly connected to the water source. When the pipeline directly connected to the water source leaks, the pipeline leakage will be concentrated on the several pipelines, which is inconsistent with the consistent leakage of the pipe network. In the simulation of pipe network consistent leakage, you need to rule out direct connection to the water pipeline leakage.