适应性城市饮用水供应模型使用节点升高和头损失公式的影响:一个案例研究
Rangsan Wannapop1, Thira Jearsiripongkul1, Krit Jiamjiroch1
1Department of Mechanical Engineering, Thammasat School of Engineering, Thammasat University, Thailand.
Heliyon
|March 4, 2024
概括
改善供水网络 (WSN) 建模精度对于城市水资源管理至关重要. 结合节点升高和达西-韦斯巴赫头损失模型,显著提高了WSN压力和需求预测.
科学领域:
- 液压工程 液压工程 液压工程
- 城市水资源管理
- 计算流体动力学的流体动力学.
背景情况:
- 城市化和人口增长的增加推动了对有效供水网络 (WSN) 管理的需求.
- 软件建模有助于评估WSN用于压力控制,泄漏分析和需求确定.
- 大型,复杂的WSN带来了重大管理挑战,如泰国大都会水利局 (MWA) 所见.
研究的目的:
- 为了提高WSN模型对需求和压力分析的准确性.
- 解决现有EPANET模型的局限性,特别是关于高度数据和头损失计算.
- 改善人口密集的城市地区的供水管理策略.
主要方法:
- 开发了一个基于EPANET的WSN模型,其中包含了从路面地图中获得的节点高度数据.
- 将海森-威廉头部损失模型的性能与达西-韦斯巴赫模型进行比较.
- 分析了基于包含高度数据和应用不同的头损失模型的模型准确性改进.
主要成果:
- 结合节点高度数据的模型比现有模型准确度提高了3.95%.
- 达西-韦斯巴赫头部损失模型与哈森-威廉模型相比,显示了8.65%的更高准确度.
- 综合的改进表明,对于更精确的WSN管理有很大的潜力.
结论:
- 节点高度数据是准确的WSN压力和需求建模的关键参数.
- 达西-韦斯巴赫模型为WSN在各种流量模式中的头损耗计算提供了卓越的准确性.
- 优化的WSN模型整合了高度和先进的头损失计算,可以带来更有效的城市供水管理.
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