CAPABILITIES

Plan, Design, Analyze - Then Improve a system's hydraulic performance within AutoCAD.

Pipe Network Hydraulic Analysis & Fireflow:

allows the AutoCAD platform to access the Epanet calculation engine to perform Static, Extended Period & FireFlow Hydraulic Analysis as follows:

  • handle systems of any size
  • compute friction head loss using the Hazen-Williams, Darcy-Weisbach, or Chezy-Manning formulae.
  • include minor head losses for bends, fittings, etc. 
  • model constant or variable speed pumps 
  • compute pumping energy and cost 
  • model various types of valves including shutoff, check, pressure regulating, and flow control valves 
  • allow storage tanks to have any shape (i.e., diameter can vary with height) 
  • consider multiple demand categories at nodes, each with its own pattern of time variation 
  • model pressure-dependent flow issuing from emitters (sprinkler heads) 
  • base system operation on simple tank level or timer controls as well as on complex rule-based controls.

Water Quality Analysis:

allows the AutoCAD platform to access the Epanet calculation engine to perform Water Concentration, Aging & Deterioration Analysis as follows:

  • model the movement of a non-reactive tracer material through the network over time 
  • model the movement and fate of a reactive material as it grows (e.g., a disinfection byproduct) or decays (e.g., chlorine residual) with time 
  • model the age of water throughout a network 
  • track the percent of flow from a given node reaching all other nodes over time 
  • model reactions both in the bulk flow and at the pipe wall 
  • allow growth or decay reactions to proceed up to a limiting concentration 
  • employ global reaction rate coefficients that can be modified on a pipe-by-pipe basis 
  • allow for time-varying concentration or mass inputs at any location in the network 
  • model storage tanks as being either complete mix, plug flow, or two-compartment reactors.

The AutoCAD interface allows the user to build pipe network models & to access the EPAnet calculations from within AutoCAD. The user is able to design, analyze & edit the model completely within his familiar & productive Autocad drawing environment.

Various AutoCAD menu tools are used to assist the user in data entry (data can be entered directly from Acad entities) & in the display of results of the network analysis (analysis result data is displayed graphically as Acad lines, objects & labels).

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