HydroCAD Supports CONTECH Filtration Products
HydroCAD
provides full support for the stormwater management StormFilter offered
by CONTECH Construction Products,
Inc.
This
partnership allows the flow effects of the CONTECH StormFilter® to be easily
modeled within HydroCAD.
Note: Support for the StormFilter is included in HydroCAD 9.1 starting with
build 20. To check your version and build, see the Help|About screen in
HydroCAD. If you have an earlier build, please download the latest build
using your existing HydroCAD 9.1 download instructions. The StormFilter is
also supported in the free HydroCAD Sampler.
How the StormFilter is modeled
The
StormFilter typically appears as an outlet device in HydroCAD, where it controls
the discharge of water from an underground vault, which is modeled as a small
pond. The resulting analysis indicates the
discharge throughout each rainfall event, as well as the water level inside the
vault. This information can be used to verify that the StormFilter will
operate within its normal design range and provide the expected filtration
performance.
Because the StormFilter uses a unique float-activated mechanism, it cannot be
modeled using a traditional stage-discharge curve. However, the start/stop
behavior can be accurately simulated in HydroCAD by taking advantage of HydroCAD's
pump outlet capability. Although the StormFilter is a passive
gravity-operated device, it exhibits a switching behavior that is quite similar
to the on/off switching of a stormwater pump.
Setting up your model
To
model the StormFilter in HydroCAD, create a "pump" outlet and select the pre-defined rating curve for
the desired cartridge configuration. Next, set the number of cartridges
and the operating elevations for the
float valve. Finally, define a separate orifice outlet to simulate the
trickle-flow that occurs when the float valve is in the closed position.
For complete modeling details and sample project files, see the resources
listed below.
Detailed product information
For detailed product specifications and design information, please visit the
StormFilter product page.
For more information about HydroCAD
Please see the following pages for further HydroCAD information:
HydroCAD home page
Pond storage calculations
Pump modeling
General support page
HydroCAD features and capabilities
Free evaluation program
Pricing and ordering
StormFilter® is a registered
trademark of CONTECH
Construction Products Inc.
HydroCAD® is a registered trademark of HydroCAD
Software Solutions LLC
StormFilter illustrations © Contech CPI
