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Primary Features of AFT Arrow 8


  • Apply advanced marching methods which provide highly accurate results
  • Evaluate choking conditions and determine flow conditions downstream of choke pointsModel fans and compressors, control valves, heat exchangers and other components with precise detail
  • Specify relief valve behavior with opening and closing profiles to ensure your system fails safely
  • Track all your design variants and potential operating conditions in a single file with Scenario Manager
  • Use integrated, customizable graphing and reporting to make analysis visually intuitive
  • Calculate the capital costs of pipes and components as well as operating energy expenses
  • Leverage built-in libraries of fluids and fittings to build your own database upon
  • Built-in libraries of fluids (including NIST REFPROP and ASME Steam Tables) and fittings which can be extended and customized
  • Purchase the Optional Chempak™ database which provides a thermophysical database of almost 600 gases. SteamCalc and Chempak Viewers are included in the software for free.
  • Define non-reacting pre-mixtures, and simulate dynamic flow mixing
  • Import piping layouts from CAESAR II® Neutral files, PCF Files, and GIS shapefiles regardless of source
  • Integrate with Excel to import model data and export output data
  • Ensure a design adheres to industry standards such as API 526, ANSI/ISA-75.01.01 and more
Primary Features of AFT Arrow 7 - Advanced marching methods provide highly accurate results.

Designed for fluid systems containing:

  • Steam
  • Compressed air
  • Chemical and petrochemical process gases
  • Natural gas transport
  • And many more

Modeling Features

Pipes

  • Specify diameter, length and roughness or select by material type and schedule from the built-in database
  • Select friction modeling from an extensive list including:
    • pipe roughness
    • Panhandle method
    • Weymouth method
  • Model heat transfer and add insulation layers – predict insulation surface temperatures to ensure compliance with workplace safety regulations
  • Use embedded fittings to reduce workspace complexity

Compressors & Fans

  • Explore the interaction of your system with compressors and fans
  • Model compressor and fan power and associated energy costs
  • Select between fixed specified flow or modeling with a compressor or fan curve
  • Model VFDs and pump control to maintain a set flow rate or head/pressure

Valves

  • Model relief valves and check valves
  • Determine control valve capacity and insure adequate pressure drop
  • Simulate pressure and flow control valves to test system interaction in the design stage
  • Display effective Cv and K factor values for all valves in the system
  • Identify control valve position to ensure stable valve operation

Fluid Property Models

  • Built in ASME steam tables
  • Optional chempak add-on with 600 gases
  • Configurable interpolation models for equation of state and enthalpy
  • Redlich-Kwong
  • Three parameter method

Scenario Manager

  • Evaluate “What-if” cases by comparing several scenarios
  • Make data changes in one scenario which can be passed down to dependent scenarios
  • Easily develop and switch between different operating conditions or configurations
  • Evaluate new or expanding system configurations
Modeling Features

Reporting Features

Output

  • Display pipe and junction reporting sections all at once or individually
  • Select output format, units and displayed items through Output Control
  • Make changes to the format without re-running the analysis
  • Export results to a file or copy/paste into Excel for additional reporting options
  • View input and output data for multiple scenarios simultaneously

Visual Results

  • Displays selected input or output parameters with your model schematic
  • Vary pipe color in the model according to parameters you define based on pressure, temperature, flow and many others to see results in the context of your system
  • Clearly illustrate individual lines in the context of your entire system using color mapping

Graph Results

  • Graphs of flow, pressure, temperature and many other parameters are quickly and easily generated by pipe or along a flowstream
  • Show compressor or fan vs. system curves
Reporting Features
Image

How does it work?

AFT Arrow’s powerful solution engine simultaneously solves five fundamental equations; mass, momentum, energy, state and Mach number. AFT Arrow uses a modified Newton-Raphson matrix iteration method plus proprietary methods developed by AFT so you can achieve a true and rigorous compressible flow solution.

Free Viewer

Viewers allow you to share your models with others

Product FAQ's

View a full list of AFT Fathom questions and answers

SUM Agreement

Software comes with 1-year of free Support, Upgrades & Maintenance

System Requirements

Ensure your software works
properly with your system

Learning Center

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