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Robson Leo Pachaly

As seen in: Taylor & Francis Online
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Articles

Surge predictions in a large stormwater tunnel system using SWMM

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By Robson Leo Pachaly, Daniel Gustavo Allasia
| Taylor & Francis Online
Stormwater tunnels often have massive geometries, with conduit lengths of several kilometers and a wide range of diameter sizes. Modeling rapid filling of these systems is a complex task and needs adequate methodology. One model used in hydraulic analysis of stormwater tunnels is the EPA’s Storm Water Management Model (SWMM). However, model setup conditions related to a pressurization algorithm can significantly affect SWMM’s accuracy in surge prediction.
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Comparing SWMM 5.1 Calculation Alternatives to Represent Unsteady Stormwater Sewer Flows

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By José G. Vasconcelos, Robson Leo Pachaly, Daniel G. Allasia, Rutineia Tassi
| ascelibrary.org
Downloaded 0 times Technical Papers Abstract The Storm Water Management Model 5.1 (SWMM) is a widely adopted dynamic hydrologic and hydraulic model often used to estimate runoff quantity and quality in urban drainage systems. SWMM’s unsteady flow algorithm, EXTRAN, is based on a link-node solution that enables it to represent typical stormwater inflows well.
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