Software That Models the Hydraulic and Water Quality Behavior of Water Distribution Piping Systems
Developed by EPA's Water Supply and Water Resources Division, EPANET is software that models water distribution piping systems. It is a Windows 95/98/NT/XP program that performs extended-period simulation of the hydraulic and water quality behavior within pressurized pipe networks.
Pipe networks consist of pipes, nodes (pipe junctions), pumps, valves, and storage tanks or reservoirs. EPANET tracks the flow of water in each pipe, the pressure at each node, the height of the water in each tank, and the concentration of a chemical species throughout the network during a simulation period. Chemical species, water age, source, and tracing can be simulated.
EPANET provides an integrated computer environment for editing network input data, running hydraulic and water quality simulations, and viewing the results in a variety of formats. These include color-coded network maps, data tables, time series graphs, and contour plots.
EPANET is public domain software that may be freely copied and distributed.
EPANET provides a fully equipped, extended-period hydraulic analysis package that can:
In addition, EPANET's water quality analyzer can:
EPANET's Windows user interface provides a visual network editor that simplifies the process of building piping network models and editing their properties. Various data reporting and visualization tools are used to assist in interpreting the results of a network analysis. These include graphical views (e.g., time series plots, profile plots, and contour plots), tabular views, and special reports (e.g., energy usage, reaction, and calibration).
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