AFT Blog

Welcome to the Applied Flow Technology Blog where you will find the latest news and training on how to use AFT Fathom, AFT Arrow, AFT Impulse, AFT xStream and other AFT software products.

Steve Burke is an Applications Engineer. Steve received his BS in mechanical and aerospace engineering in 2015 and is currently pursuing his MS in mechanical engineering.

Sounds Dangerous – Analyzing Sound Power Level in AFT Arrow

As gases flow through pressure reducing devices, the pressure drops and the gas expands, experiencing irreversible energy losses. At these locations, the gas undergoes turbulent mixing and deflects off the pipe walls at high velocities. If the flow is sonically choked due to the restricting device, the flow must also pass through a standing shockwa...

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Capture Complex Settling Slurry Behavior With the 4-Component Slurry Model

The Settling Slurry Module (SSL) for AFT Fathom and AFT Impulse has long been used to model complex systems with settling slurries in a range of industries. Previously all slurry models were variations of the Wilson, Addie, Clift method requiring differing levels of user input to use. The release of AFT Fathom 13 and AFT Impulse 10 has brought with...

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Pause and Resume Lengthy Transient Simulations Using Checkpoint Files

Much can be done to reduce model run times, but it's a fact of life with transient simulations that some systems are just large and complex, need to cover longer spans of time, or have dynamics that can only be accurately captured with finer sectioning. In such cases, long run times can be unavoidable. Have you ever needed to pause a lengthy s...

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Reciprocating Compressors and Modeling Approaches

The release of AFT xStream 3 brings with it reciprocating compressors for your gas transient models! Positive displacement compressors now have two subtypes: fixed flow rate for a steady mass or volumetric flow rate, as was present previously, and the all-new reciprocating compressor option. The reciprocating compressor model is for compressors in ...

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How to use AFT Workspace Layers

We are excited to share Workspace Layers, a new feature for the Applied Flow Technology software suite that you'll be working with soon! A group of layers is like a stack of transparencies. Each layer displays specific, customizable information and together they combine to form the Workspace view for your model. This is concept is much like Adobe P...

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