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AFT Fathom™ 12
Incompressible Flow Analysis

Streamline & Organize. 
New Analysis Set-up | Revised Library Manager 
Multi-Scenario Graphing  |  Extensive Excel Capability
... and much more!

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Introducing AFT xStream™
Gas & Steam Transient Analysis

Don't Guess. Rigorously Evaluate and Solve.
Gas and steam transient analysis in piping can be more precise, and reliable, than you ever thought possible...

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AFT Arrow 9
Compressible Flow Analysis

Import More. Export Better.
Model Real Gases | Simulate Sonic Choking 
Utilize NIST REFPROP  |  Extensive Excel Capability
... and much more!

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Pipe Flow Modeling Software for Engineers

AFT’s software tools are used to analyze piping and ducting systems in over 80 countries to 
to help engineers desgn safer, more efficient systems and solve operational problems.

Incompressible
Pipe Flow

AFT Fathom is used to calculate pressure drop and flow distribution in liquid and low velocity gas piping and ducting systems.

Compressible
Pipe Flow

AFT Arrow is used to calculate pressure drop and flow distribution in gas piping and ducting systems.

Waterhammer & Surge Analysis

AFT Impulse is analysis software used to calculate pressure surge transients in liquid piping systems caused by waterhammer. 

Steam and
Gas Transients

AFT xStream is a powerful fluid dynamic simulation tool for high-speed, acoustic transients that occur in steam and gas piping systems. 

Discover what makes us an
International Leader

Since 1994, AFT and our 42 Channel Partners have help engineers in over 80 countries design and troubleshoot flow within their piping systems. For steady-state or transient, compressible or incompressible, AFT provides the pipe flow modeling software tools engineers trust.

Case Studies

“The plant validation simulation in AFT Fathom opened up avenues for possible improvements which were inconceivable solely based on plant data analysis.”

- Santosh Kumar and Swapnil A Paingankar, Ingenero Technologies

Read: AFT Fathom Revealed and Resolved Capacity Limiting Issues in Petrochemical Cooling Water NetworkRead: AFT Fathom Revealed and Resolved Capacity Limiting Issues in Petrochemical Cooling Water Network

“In light of the results of this study, AFT Impulse has proven to be a robust and highly reliable software to perform surge analyses.”


- David Lozano, AQUATEC (SUEZ)

Read: AFT Impulse Matches Data For Pumping Station Check Valve ClosureRead: AFT Impulse Matches Data For Pumping Station Check Valve Closure

The process fluid mixture was created from the built-in NIST REFPROP database, and its properties were verified against Aspen HYSYS.


- Sumit Sayankar, L&T Technology

Read: AFT Arrow Ensures Proper Fan Sizing in Nitrogen Closed LoopRead: AFT Arrow Ensures Proper Fan Sizing in Nitrogen Closed Loop

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