AFT: Dynamic solutions for a fluid world

Whether you’re modeling gas or liquid piping systems, perfecting your system design, studying your system’s transient behavior or need fluid property data, Applied Flow Technology (AFT) has the engineering software tools to meet your needs when it comes to Pipe Flow Modeling. Used in over 70 countries and in almost any industry where you find piping and ducting systems, our software products have earned the respect and trust of thousands of engineers worldwide. World class support is provided by our team of professional engineers.

AFT: Pipe Flow Modeling Software

Using AFT Fathom for Incompressible flow and AFT Arrow for Compressible flow, calculate pressure drop and flow distribution in order to:

Evaluate new designs and improve your installed systems
Understand your system’s fluid dynamic behavior
Simulate individual system components and their interaction
Achieve less costly, more efficient, more reliable piping systems

AFT Fathom: Incompressible Pipe Flow Analysis

Calculates pressure drop and flow distribution for liquid and low velocity gas piping and ducting systems.

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Pump vs. system curve generation including individual head curves and composite efficiency
Advanced hydraulic solver using Newton-Raphson matrix methods
Detailed modeling for centrifugal and positive displacement pumps
Scenario Manager to track all design variants and operational possibilities in a single model file
Thermal analysis including piping heat transfer and heat exchanger modeling
Supports Newtonian and non-Newtonian fluids
Customizable library of fluids and fittings
Accepts raw rheological data, generates non-Newtonian constants and raw data Scale-up models for non-settling slurries
Estimates capital and recurring costs
Optional Chempak add-on utility provides a thermo physical database of almost 700 fluids

AFT Fathom Thermal Linking — Thermal Linking for Heat Exchanger Analysis with AFT Fathom

AFT Fathom: Pump Verses System Curve — A plot of Pump Vs. System Curve

AFT Arrow: Compressible Pipe Flow Analysis

Calculates pressure drop and flow distribution for gas piping and ducting systems

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Advanced marching methods provide highly accurate results
Detailed modeling for fans and compressors, control valves, heat exchangers and other components
Comprehensive and highly accurate choked flow calculations
Compressor and fan energy cost analysis
Thermal analysis including piping heat transfer and heat exchanger modeling
Scenario Manager tracks all design variants and operational possibilities in a single model file
Customizable library of gases and fittings
Optional Chempak™ add-on utility provides a thermo-physical database of almost 600 gases that lets you define non-reacting pre-mixtures, and simulate dynamic flow mixing

AFT Impulse: Waterhammer and Surge Analysis

Using AFT Impulse, Design and operate your system with greater safety and reliability. Easily calculates pressure transient events in piping systems caused by waterhammer.

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Avoid potentially catastrophic effects of waterhammer and other undesirable system transients
Alleviate possible financial and environmental issues associated with inadequate system designs or operational procedures
Avoid lost revenue resulting from incidents that cause down time
Advanced transient solver based on Method of Characteristics
Built-in steady-state solver to automatically initialize waterhammer transient
Detailed pump inertial modeling for trips and start-ups including state-of-the-art, four quadrant methods
Models transient cavitation and liquid column separation
Scenario Manager to track all design variants and operational possibilities in a single model file
Integrated graphing and reporting
Animation features to dynamically graph transients
Built-in intelligence to guide you in building better models
Analyze waterhammer effects on systems containing non-Newtonian fluids with either settling or non-settling slurries

Add-on Modules

Further extend your modeling capabilities with these effective tools

Goal Seek and Control (GSC)
- Evaluate the effects of changing system parameters
- Save time by avoiding manual iterative analyses
- Simulate control system behavior
Extended Time Simulation (XTS)
- Understand how critical system parameters vary over time
- Automatically change variables for a dynamic simulation of your system
Settling Slurry (SSL)
- Expertly handle slurry system challenges
- Avoid system failures and excessive operational costs
- Prevent plugged pipes and misapplied pumps
Automated Sizing (ANS/APS)
- Minimize the initial cost or operating cost of your system
- Meet specific design parameters of your system
- Understand what really drives your system

Click here to request downloads for AFT Products.

Why use AFT Products?

Whether you’re modeling gas or liquid piping systems, perfecting your system design, studying your system’s transient behavior or need fluid property data, AFT has the engineering software tools to meet your needs.

AFT Fathom

Incompressible Pipe Flow Analysis & System Modeling
Including heat transfer, time simulation, automatic goal seeking, cost calculations and built-in tools for modeling piping system components

AFT Arrow

Compressible Pipe Flow Analysis & System Modeling
Including adiabatic, isothermal, heat transfer, sonic choking, automatic goal seeking, cost calculations and built-in tools for modeling piping system components

AFT Impulse

Waterhammer & Surge Analysis
Models pump speed variation, valve open/closure, relief valves, liquid level change, accumulator and surge tanks, vapor cavitation, liquid column separation and more to help avoid the potentially catastrophic effects of waterhammer and undesirable system transients

AFT Chempak Suite

A chemical property database of up to 700 fluids with mixing capability; use the database as a stand alone application with the AFT Chempak Viewer; access the database from within Microsoft Excel with the AFT Chempak Add-in