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Simulating Head Losses in Hydraulic Drop Structures in SWMM, with a Little Help from CFD
2018
Journal of Water Management Modeling
The City of Portland, Oregon has cause to model instances of street flooding in the vicinity of hydraulic drop structures that feed into the Willamette combined sewer overflow tunnel system. Reproducing the events with a collection system model based on the U.S. EPA's Storm Water Management Model (SWMM) requires the representation of friction losses in the vortex generator structures. A modeling study was undertaken to better understand flows and losses in these structures, leading to
doi:10.14796/jwmm.c446
fatcat:au7f445ehzhb7lqme4pm2rog4u