The Most Powerful and Complete Water Distribution Modeling, Analysis and Design Software

H<sub>2</sub>ONET

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Overview


H2ONET Analyzer is the most powerful and complete water distribution modeling, analysis and design software. It performs fast, reliable, and comprehensive hydraulic and dynamic water quality modeling, energy management, real-time simulation and control, fire flow analysis, and with automated on-line SCADA interface. The program can also be effectively used to analyze pressurized sewer collection systems.

• Integrate with AutoCAD 2012-2013
• Share data freely with all standard GIS, spreadsheet, and database applications
• Facilitate information flow and management with an open database structure
• Support conventional (node) or meter based (billing records) demands
• Interface seamlessly with all Windows programs
• Build and maintain your own "custom" modeling database
• Query, display, and highlight any system information
• Import data created with other modeling packages
• Command the latest advances in hydraulic, fire flow, and energy cost analyses
• Perform comprehensive dynamic water quality simulations
• Analyze your entire system or any selected portions
• Empower complete solution platform
• Automate on-line modeling and monitoring through direct SCADA interface
• Enhance system operation and performance with real-time information
• Develop effective leakage reduction and energy management strategies
• Simulate real-time operation through state-of-the-art PLC emulation
• Maintain EPANET compatibility (import and export all files)
• Create graphic animation sequences of time-varying parameters
• Produce your own "custom" maps and reports
• Generate informative graphs and unit-specific tables
• Display accurate (T.I.N.) smooth contours with a click of the mouse
• Color-code your network according to any variable
• Use dynamic labeling to annotate your drawings
• Batch run and compare results (graphs and reports) from various scenarios instantly
• Achieve enterprise wide management solution
• Maximize time savings
• Minimize costs through higher productivity
• Optimize operational strategies and capital improvement decision

H2ONET Multi-Species eXtension (MSX)

H2ONET MSX (Multi-Species eXtension) adds very powerful modeling capabilities including the unprecedented ability to accurately model multiple interacting contaminants (using water quality components rather than contaminants) as well as sediment deposition and re-suspension in drinking water distribution systems. H2ONET MSX allows users to model very complex reaction schemes between multiple chemical and biological species in the water distribution piping system, both in the bulk flow and at the pipe wall. This structure gives users the flexibility to accurately model multi-source, multi-quality systems and a wide range of important chemical reactions including free chlorine loss, formation of disinfection byproducts, nitrification dynamics, disinfectant residuals, pathogen inactivation, chloramine decomposition, and adsorption on pipe walls. 

While there are a number of commercially available programs for modeling the hydraulic and water quality behavior of drinking water distribution systems, their water quality component is limited to a certain number of fixed kinetic models, and to tracking the transport and fate of a single chemical species, such as fluoride or free chlorine. H2ONET MSX can effectively model any system of multiple, interacting chemical species. In addition, the program allows users to input any mathematical models of physical, chemical, and biological reactions in the bulk water and on pipe surfaces. It also accepts any number of user-specified (adding water quality) parameters and formulas for process models. 

Particle Transport and Deposition

H2ONET MSX can also be effectively used to track the movement, fate and build up of particulate material in the water distribution system. It considers both settling of particles under gravity as well as deposition of particles on the pipe walls due to particle/pipe surface attractive forces. This feature can greatly assist water utilities in improving distribution design to minimize dirty water and forge closer ties with their customers.

Water Temperature Modeling

Another powerful and unique feature of H2ONET MSX is its critical ability to accurately simulate spatial and temporal variations in water temperature and temperature gradients throughout any water distribution system. This gives water utilities unprecedented power to model temperature dynamics within their distribution systems for improved thermal design and operation and optimal safeguarding of public health.

Maintaining a safe and comfortable temperature range (e.g., between 4 to 11 degrees C) in drinking water distribution systems throughout the year is a growing concern for water utilities worldwide. Temperatures outside the normal range can cause a significant discomfort to customers during both extremely hot and cold months. In addition, temperature directly and indirectly affects all the factors that govern microbial growth. It therefore influences treatment plant efficiency, microbial growth rate, disinfection efficiency, dissipation of disinfectant residuals, corrosion and metal release rates, maintenance and chemical additive costs, and distribution system hydraulics and water velocity created by customer demand. H2ONET MSX enables users to model very complex heat transfer mechanisms between the water in the distribution pipes and the ambient environment. It directly considers the influence of ambient temperature, wall material and thickness, flow conditions, buried depth, and other pertinent variables that determine how much heat will intrude into the water in the distribution pipes. Ambient temperature can be the air temperature of the upper cover (soil, grass and pavement), and can be described as either a constant or a time-varying pattern.

H2ONET MSX  gives water utilities the vital ability to maintain a relatively constant water temperature in their drinking water distribution systems within a desirable range and help them optimize their overall treatment and distribution processes and improve customer satisfaction.

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