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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.
Trey Walters

Fluid Mechanics 101 – The Class That Changed My Life

I was 20 years old and 18 months away from finishing my formal education. Forever. I was well on my way to being a…structural engineer. Wait, that must be a typo. Structural? Really? Where did the fluids come in? I really liked structural mechanics and that was where I was focused for the first 2.5 years of my mechanical engineering studies. My cla...
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Trey Walters

Waterhammer: In our Booth?

What booth and why does it have waterhammer? Come find out! In a few weeks, AFT and yours truly will be at the Turbomachinery and Pump Symposia (TPS) in Houston – September 10-12 to be precise. We will have a booth (#2824 for those who are coming). And we will have waterhammer. Not just waterhammer software. We have that every year and, as in previ...
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Devin Rorabaugh

Applying Communication Time: Let’s Talk About Your Impulse Result/Event Relationships

 I have received questions from clients using AFT Impulse where they ask something like "I closed this valve. Why is the maximum pressure spike way over there and not at the valve?" This comes from years of developing a "common sense" adapted to steady-state flow. With steady flow, a change between states of equilibrium has a local effect that...
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Trey Walters

My (Not So Secret) Disney Obsession

My name is Trey and I am a Disney geek. A real, true Disney geek. What does that have to do with Applied Flow Technology and pipe flow simulation? Well, a lot actually. Read on if you want to know more… This year is AFT's 25th anniversary and I have been doing a lot of reminiscing. About many things. I have been a Disney geek since I rode Dumbo at ...
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Nick Vastine

Two for One: How Dependent Design Cases Help Automatically Size Networks to Satisfy Multiple Operating Scenarios

With the release of the Automated Network Sizing (ANS) module for AFT Fathom and  AFT Arrow, network sizing has never been easier. The ANS module utilizes Intelliflow, a technology previously featured in AFT Mercury and Titan, to evaluate slight design deviations to automatically size pipes, valves, and pumps for a system as a whole.  In ...
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Trey Walters

A Space Shuttle Trifecta Achieved Today

It was not intentional. The Trifecta I mean. It just sort of happened organically. But now that I have completed it, I think it is kind of cool. There are three Space Shuttles that have flown into space and are now in American museums: Discovery - in the Smithsonian Air & Space Museum in Chantilly, Virginia (near Washington D.C. ...
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Stephanie Villars

Applying the Improved ATKF Method for Laminar and Non-Newtonian Flow

If you have worked with Non-Newtonian fluids or low velocity systems in AFT Fathom or AFT Impulse before, then it is likely that you have worked with the Adjusted Turbulent K Factor (ATKF) method before. The ATKF method can be used to adjust K factor data developed for turbulent flow conditions to better predict loss in the laminar f...
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