Subject: Siphon Simulation
A Siphon is simulated in SWMM 5 and InfoSWMM using the basic node and link data and downstream boundary condition:
1. Inflow can be time series, dry weather flow pattern, wet weather inflow or Subcatchment Runoff,
2. The boundary condition can be either a free outfall, fixed or time series,
3. The node invert, node maximum depth and node surcharge depth are defined by the user or network,
4. The link lengths, diameters, link offset depths upstream and downstream are defined by the user of the network,
5. The node depths, link flows, link depths and link cross sectional areas are calculated at each time based on the node continuity equation and the link momentum and continuity equation. The link flows are a function of the friction loss, head difference across the link and the difference in the cross sectional areas of the link.
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Autodesk Technologist with Information about Stormwater Management Model (SWMM) for watershed water quality, hydrology and hydraulics modelers (Note this blog is not associated with the EPA). You will find Blog Posts on the Subjects of SWMM5, ICM SWMM, ICM InfoWorks, InfoSWMM and InfoSewer.
Saturday, July 2, 2011
Siphon Simulation in SWMM 5 and InfoSWMM
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