Assessment method for the hydraulic efficiency of urban drainage system components

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dc.contributor.authorPochwat, Kamil
dc.contributor.organizationDepartment of Infrastructure and Water Management, Faculty of Civil and Environmental Engineering and Architecture, Rzeszow University of Technology, Rzeszów
dc.date.accessioned2025-03-05T11:26:27Z
dc.date.available2025-03-05T11:26:27Z
dc.date.issued2025-02-24
dc.description.abstractThis study evaluates the performance of different retention solutions in stormwater drainage systems. The outcome of this study proposes a method to determine the hydraulic efficiency of different stormwater drainage retention components, in which instead of assessing retention capacities, the resistance time is used. The study was conducted in a laboratory setting, involving four different hydraulic units designed to increase channel retention in the drainage system. These units operate under diverse hydraulic conditions, including varying channel gradients, different inflow rates, and differential outflow reductions. The analysed units included a linear system (U1), a linear system with increased retention (U2 and U4), and a ring system (U3). The experiments conducted laid the groundwork for a method to determine the hydraulic efficiency of drainage components in situations where estimating efficiency based on the analysis of required capacities is impossible or very timeconsuming. The research results were utilised to assess the hydraulic efficiency of the studied hydraulic units U1-U4. The results of this study indicated a significantly higher efficiency of ring systems (U3) under all input scenarios at the highest tested flows (12L/s). In specific cases, its application allowed for over a 5-fold extension of the system’s correct operation time, and the determined hydraulic efficiency coefficient α values ranged between 4.5 and 11.4. For lower flows (10 L/s), the most effective system varied depending on the hydraulic conditions, with the channel gradient identified as the parameter that most significantly influenced the efficiency of individual solutions.en_US
dc.description.sponsorshipThis work was supported by the by Poland’s National Science Centre [Project No. 2020/04/X/ST8/00450].
dc.identifier.citationKamil Pochwat, Assessment method for the hydraulic efficiency of urban drainage system components, Journal of Hydrology, 655, 2025, 132975. https://doi.org/10.1016/j.jhydrol.2025.132975.
dc.identifier.doi10.1016/j.jhydrol.2025.132975
dc.identifier.issn0022-1694
dc.identifier.urihttps://open.icm.edu.pl/handle/123456789/25495
dc.language.isoen_US
dc.publisherElsevier
dc.rightsDozwolony użytek
dc.sourceJournal of Hydrology
dc.subjectstormwateren_US
dc.subjectretentionen_US
dc.subjectdrainageen_US
dc.subjectassessment methoden_US
dc.subjectefficiencyen_US
dc.titleAssessment method for the hydraulic efficiency of urban drainage system componentsen_US
dc.title.alternativeMetoda oceny efektywnosci hydraulicznej komponentów systemów odwodnieniowychpl
dc.typearticle
dc.type.versionsubmittedVersion
person.identifier.orcidPochwat, Kamil [0000-0003-3190-9551]
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