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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.
Scott Lang

A Story About Fluid Communication

Jack, Ryan, and Sally are piloting a small research vessel on a remote river. While distracted by news of the Mars 2020 Perseverance rover (successful landing!), their vessel crashes and begins capsizing. After their initial panic, they are dismayed to find the collision has taken out their communications equipment.

In some quick thinking, Jack finds a printed log of ships expected to be nearby. Fortunately, there is a marine zoology expedition about a mile downriver, and our crew just needs to get an SOS out to that ship.

Initially, Jack tries simply yelling for help. Unfortunately, this doesn't do much good - and the explanation why requires some fluid mechanics.

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Trey Walters

Nuclear Power to the Rescue!

When I was in high school (four decades ago!) I had an awesome physics teacher in my junior year, Mr. Kindred. His class was a key influence in my decision to pursue a career in mechanical engineering. I recall Mr. Kindred discussing the future of fusion power and commenting, as was common at that time, that "fusion power is 20 years away". Well, h...
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Cort Hanson

Non-Newtonian Fluids - How to Model the Soap, Silly-Putty, or Shampoo in Your Pipe Network

Non-Newtonian fluids are something almost every elementary school student is familiar with. Mixing cornstarch and water to create a liquid that acts as a solid is an experiment which has captured the attention of children (and adults) for generations. The Discovery Channel show Mythbusters even showed Adam Savage walking across a tub of cornstarch ...
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Trey Walters

Cloudy With a Chance of Herd Immunity

COVID-19 has impacted us all in some way or another. This has forced most all of us to change how we do things – including our jobs. More than ever before, we have needed the Cloud. Despite my best efforts to avoid it, I caught the COVID-19 virus in late November. I was working from home at the time, as were most of the AFT staff. The Cloud enabled...
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Ben Keiser

Know Your Pump & System Curves - Part 3

In the final "Know Your Pump & System Curves" blog series, I am going to discuss the complexities behind pump vs. system curves for systems with pumps in series and parallel configurations. Multiple pumps in series configurations are relatively straight-forward and will be discussed briefly. Operating pumps in parallel configuration involve a f...
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Trey Walters

Digital Twin – Identical or Fraternal?

When I was a child, I was jealous of twins. I thought how cool it would be to have a twin. I had twin cousins a few years older than I was that I saw on a frequent basis. I always got them confused. Which one was Roger, and which one was Ronny? A buzzword floating around recently is "digital twin". Sounds cool. What is it? According to a webinar by...
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Ben Keiser

Know Your Pump & System Curves – Part 2B

In this blog, we dive further into pump and system curves for complex systems.  The examples include demonstrating system curves changing over time and when multiple system curves exist for a single system with multiple pumps in different locations of the system.  Let us re-visit the multi-branched system example from the previo...
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