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New Features - Impulse

Impulse 7

  • Model efficiently with layout import from file formats supported by CAESAR II®, SmartPlant®, CADWorx® and AutoCAD Plant 3D, and import / export EPANET
  • Create models using an isometric grid
  • Utilize color animation to visualize parameter changes over time
  • Improved user interface for defining centrifugal and positive displacement pump data in the Pump Property window using automatic periodic PD pump flow calculation
  • Extensive new Excel capabilities including the ability to export output using the new Excel Export Manager and even complete your exports while running batch scenarios
  • Use Excel to make changes to multiple scenarios at once
  • Calculate buried pipe wave speed
  • View a summary of the Codes & Standards used within the models
  • Ability to model Pumps as Turbines (PAT)
  • Display reports in Portuguese
  • Improved user interface for four-quadrant modeling for pumps - Specify trip and startup cases and enhanced pump inertia estimation and specific speed selection
  • Includes a new extensive fluid database NIST REFPROP which supports pure fluids and mixtures
  • Set defaults for your general unit system, language, pipe material and other preferences in the Startup Control window

View Complete List Here

 

Impulse 6

    • New graphing features include the display of multiple graphs in the same tab, stacked graphs, double-Y axis graphs, and new graph folders to organize and easily display groups of saved graphs.
    • Language choices for German and Chinese, in addition to French and Spanish, for all output, graphs, and menus.
    • New Force Summary report available in the output showing all applied force sets
    • Force definitions can be imported from an Excel file
    • GIS shape files can be imported to create a model
    • Improved search capability includes searches for pipe and junction notes, names and numbers
    • New dynamic check valve modeling and Thorley method for estimating reverse velocity through check valves at closure
    • New Turbine junction for hydroelectric applications
    • Surge Anticipator valve capability added to the Relief Valve

View Complete List Here

Impulse 5

  • Completely redesigned user interface with tabbed window access and new transparent icons
  • Robust support for dual monitors
  • New Startup panel allows user to choose engineering unit system (U.S./metric) and specify default fluid
  • Improved printing features includes use of company logo, user comments and titles, as well as graphical borders on all printouts
  • New Quick Access Panel includes access to Scenario Manager
  • New mapping feature flyout allows birds-eye view of model and navigation
  • Improved navigation speed for large models with thousands of pipes and junctions
  • Annotations capability great improved now allows user's images to be inserted into the annotation
  • Enhanced Relief Valve modeling, including Danflo and Grove Flexflo
  • Discrete Gas Cavity model to calculate cavitation
  • Pump specific speed and estimated inertia calculator integrated within the pump propertied window
  • Improved pipe sectioning window
  • Fittings and losses can now have user "Favorites" which allows for much faster navigation to frequently used fittings
  • New Pipe Material Databases based directly on international pipe standards
  • Handle varying ambient pressure with elevation allows for better understanding of gage pressure on submerged pipes at different depths
  • New Adjusted Turbulent K factor method allows for improved support of laminar pressure drop in fittings and valves
  • Non-settling slurry features accepts raw rheological data and generation of non-Newtonian constants as well as new raw data Scale-up model
  • New SSL module to calculate settling slurry flow
  • New Weir junction
  • Force imbalance calculations can now extend across more than two pipes
  • Pipe data can be modified through an Excel file
  • Ability to specify a reference pressure in a closed pipe during steady-state which will be used during the transient portion
  • Annotations can be placed directly on graphs
  • Junction symbols can be shown on Profile and HGL/EGL/Elevation graphs allowing easy identification of the location within the model

Impulse 4

  • Can graph forces on pipes
  • Users can create transient force files for use in CAESAR II pipe stress software
  • All printing can go directly to a PDF file
  • Selected scenarios can be run automatically in batch mode

Impulse 3

  • New animation feature for graphing improves interpretation of results
  • Pumps can be tripped or started based on events
  • Pumps can trip and then restart and vice versa
  • Pump four quadrant data sets increased from three to twenty-one
  • New pump startup method using motor torque and speed data
  • Vacuum Breaker Valves can model dual vacuum break/air release, or only vacuum break or air release
  • New Special Condition Ignore feature for vacuum breaker valves, surge tanks, gas accumulators, relief valves and liquid accumulators simplifies locating surge suppression equipment
  • New feature allows modeling of three-stage air valves
  • New relief valve pressure loss model with Cv vs. pressure difference allows improved modeling of passive relief valves
  • Pipes can be modeled with diameter reduction because of scaling
  • Pipes connected to vacuum breaker valves, exit valves, spray discharge or assigned pressure junctions can drain or start the transient partially full
  • Pumps can be specified to control pressure only when set pressure is exceeded high or low
  • New Renumber Wizard added
  • Annotation Manager added to allow selective display of annotations on Workspace and Visual Report

Impulse 2

  • Steady-State Solver added to automatically initialize transient conditions
  • New Scenario Manager to keep variants of a model saved in a single file in a parent-child relationship of any number of levels
  • New Chempak thermophysical database offers over 600 fluids which can be used as pure fluids or user defined mixtures
  • Enhanced pump features include efficiency and power usage, and multiple configurations depicting different impeller sizes and rotational speeds
  • Non-newtonian fluid modeling using Power Law and Bingham Plastic models
  • User configurable choice of which engineering units are displayed in drop down unit selections
  • User selected preferences for each individual type of engineering unit
  • User specified design factors for pipes and junctions
  • Special Output window summary reports for pumps and valves
  • New Database Manager to ease creation of databases and to allow selective access to data
  • Ability to model event based transients
  • Variable pipe friction resistance during transient solution
  • Added Duffy method and Brecht & Heller method for pulp and paper modeling
  • Ability to model vacuum breaker (air inlet) valves
  • Model of pump inertial effects during trips and startups including four quadrant methods
  • Modeling of pumps with flow rate transients (useful for positive displacement pumps)
  • Modeling of pumps with viscosity corrections
  • Modeling of variable speed pumps with controlled flow or pressure
  • Repeat transient feature for periodic transient behavior
  • New control valve junction for modeling pressure and flow control valves
  • New volume balance junction to model moving fluid interfaces
  • Intermediate elevation changes in a pipe can be specified
  • Greatly expanded global editing for junctions
  • Support for embedded fittings and valves in pipes with a library of 400 fittings
  • New Tee-Wye junction which uses Idelchik for dynamic K factor calculation
  • New tabbed folders on pipe and junction specifications windows
  • Notes can be kept for each individual pipe and junction
  • Ability to show pipe and junction names on the Workspace
  • New Select Special feature added which is a powerful selection tool that allows users to set specific criteria for selecting groups of pipe and/or junctions for editing or reporting
  • Ability to turn junctions on and off
  • Pipe can have graphical segments
  • Annotations can be added to Workspace and Visual Report
  • New ability to create named groups of pipe and/or junctions for quick selection
  • New ability to load a background picture as a backdrop to the Workspace or Visual Report
  • New morphing feature allows one junction to be morphed into another
  • New Duplicate Special feature
  • Model Data organization improved using tabbed folders
  • Output window organization improved using tabbed folders
  • Output window junction data separated into separate table for each junction type
  • Enhanced reporting on separate tabs for steady-state and transient output
  • New profile graphs to graph results at a specific time or maximum and minimum values
  • Ability to save graph for later recall
  • Visual Report units can be shown in a legend
  • Improved printing features include fit to multiple pages, printing selected pipes and junctions, horizontal and vertical centering, and setting margin sizes
  • Dockable and customizable toolbars, with many new toolbar icons
  • New Status Bar shows updated Checklist and ready light goes on when model is complete
  • New user specifiable design alerts feature to warn user when results exceed specified limits
  • New Autosave feature
  • Ability to cancel global pipe and junction edits