远距离重力供水系统防止二次管爆裂的气阀布置规范

IF 2.1 4区 环境科学与生态学 Q2 ENGINEERING, CIVIL
Yan Wang, Jian Zhang, Tingyu Xu, Yi Liu, Tianyu Yao, Kailang Wang, Meng Zhang
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引用次数: 0

摘要

长距离重力供水系统发生爆管事故,会导致系统水力特性的变化,给供水系统带来重大挑战。本研究旨在通过解决一次爆管引发的水锤波传播问题,防止二次爆管的发生。在分析管道爆裂事故的基础上,结合不同的管道敷设方式,制定了降低LGWSS管道二次爆裂风险的气阀布置准则。主要成果包括建立了合理的理解埋地管道爆管的数学分析模型,并确定了考虑一次爆管造成的潜在危险压力变化的气阀布置准则。该模型旨在减轻管道爆炸的不利影响,并尽量减少二次爆炸的可能性。实施拟议的准则具有重要的工程应用价值,从而改善空气阀的合理有效放置,以防止lgwss中的二次管道爆裂。本研究得出的结论具有重要的工程应用价值,特别是这些结论与优化空气阀的放置有关,以提高lgwss的弹性和可靠性。通过实施建议的空气阀布置准则,供水系统可以尽量减少因管道爆裂造成的潜在损害,并提高整体运作效率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Air valve arrangement criteria for preventing secondary pipe bursts in long-distance gravitational water supply systems
Pipe burst incidents in long-distance gravitational water supply systems (LGWSSs) result in hydraulic characteristic variations and pose significant challenges. This study aims to prevent secondary pipe bursts by addressing the propagation of water hammer waves triggered by primary pipe bursts. Based on an analysis of pipe burst incidents and considering different pipe laying methods, air valve arrangement criteria are developed to mitigate the risk of secondary bursts in LGWSS pipelines. The principal results include a reasonable mathematical analysis model for understanding pipe bursts in buried pipes and the determination of air valve arrangement criteria which considers potentially dangerous pressure variations resulting from primary pipe bursts. This model aims to mitigate the adverse effects of pipe bursts and minimize the likelihood of secondary bursts. Implementing the proposed criteria has important engineering applications, thus improving the reasonable and effective placement of air valves to prevent secondary pipe bursts in LGWSSs. The conclusions derived from this study have significant engineering applications, particularly as these pertain to the optimization of the placement of air valves to enhance the resilience and reliability of LGWSSs. By implementing the proposed air valve arrangement criteria, water supply systems can minimize the potential damage caused by pipe bursts and improve overall operational efficiency.
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来源期刊
CiteScore
4.10
自引率
21.10%
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