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Arrow: Evaluate New Designs and Improve Your Installed Systems

AFT Arrow is practical fluid dynamic simulation software used to calculate pressure drop and flow distribution in gas piping and ducting systems. Designed for compressible flow systems containing steam, compressed air, chemical and petrochemical process gases, natural gas transport and more, AFT Arrow is an indispensable tool to help you tackle your most challenging systems.


  • Experiment with operating conditions and scenarios
  • Quickly and easily change system input data, including valve positions, compressor operation, control set points, pressures, temperatures and more
  • Model a wide range of system components for both design and operational cases
  • Select ideal or real gases
  • Choose between isothermal, adiabatic or generalized heat transfer conditions
  • Vary your system lineup: open and close pipes and valves, turn compressors or fans on or off, set control valves to fail position
  • Conduct flow analysis with high velocities including sonic choking
  • Compile libraries of your frequently used components and quickly select them from a drop down list
  • Assemble non-reacting mixtures and analyze dynamic mixtures resulting from intersecting flow streams
  • Model rotating piping systems such as those found in steam and gas turbines
  • Model effects of elevation changes such as in tall structures, subsurface mines and overland pipelines
  • Specify alerts that automatically highlight output values that are out of range for flow, pressure or velocity


  • Understand the fluid dynamic and thermodynamic behavior of your system
  • Predict how pipes, valves, compressors, fans and other components will interact with each other
  • Evaluate the performance of new designs
  • Assure all design requirements are met
  • Identify and correct operational problems
  • Produce less costly, more efficient and more reliable piping systems


 Typical Applications

  • Pipe and duct sizing
  • Relief valve sizing and system calculations
  • Compressor and fan sizing and selection
  • Control valve sizing and selection
  • Simulating system operation and component interaction
  • Choked flow calculations
  • Evaluating pipe insulation and heat transfer in pipes and heat exchangers
  • Troubleshooting existing systems

Prices effective January 1, 2020 through December 31, 2020

Full Perpetual Licenses

                       Stand-alone Licenses        Network Licenses (per seat)
AFT Arrow $5,700 $8,550
GSC Module – Goal Seek & Control $1,250 $1,875
ANS Module – Automated Network Sizing $2,000 $3,000

Leases are available. Ask for a quote. Contact us for more information or if you are interested in a temporary trial license.

JE Hodgson Consulting offers customized training on all AFT software products. Each purchase of AFT software includes one year of technical and engineering support from JEHC. This support can be extended by renewing this term agreement.


To order AFT Arrow now, simply download the order form, fill it out, and return it to