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AFT Blog

Welcome to the Applied Flow Technology Blog.
Stephanie Villars

Meet the Import Piping Layout Wizard

When completing the analysis on a model, there is nothing more frustrating than having to do the same thing over and over again. Thankfully, using AFT's Piping Layout Wizard you will no longer need to rebuild your CAD, CAESAR II, and EPANET files to analyze the hydraulics using AFT Fathom, AFT Arrow, and AFT Impulse. In addition to GIS sh...
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Stephanie Villars

"Water" you waiting for? Checkout these water system features!

 Seeing as this month is water month, we thought this would be a perfect time to highlight some of the great ways that AFT Fathom 10 can help with hydraulic analysis for water distribution, wastewater, and fire water systems. From building the model to exporting and presenting results, we offer several helpful features. We have heard our users...
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Trey Walters

Did you know that New Jersey is a barrier in Spain?

It is true. New Jersey is a barrier in Spain. I saw it with my own eyes. Bear with me and I will explain.

When I travel internationally I find the people, cultural and language differences fascinating. Last month I was fascinated once again. My blog last month was written while on an airplane as I travelled to Europe (see my July blog When Pipe Stress Analysis Meets Waterhammer Hydraulics: New Waterhammer Guidelines for Engineers). Before going to the ASME PVP conference in Prague (check out this video one of our staff made) I stopped in Spain for 4 days. While there I was fortunate to visit the location of an AFT Impulse project by one of our customers that was a Platinum Pipe Award Winner this year. This case study was published in April. See AFT Impulse™ Matches Data For Pumping Station Check Valve Closure. That pump station photo in the case study is where I visited. Below is a photo of me and the PPA winner David Lozano Solé of AQUATEC – SUEZ Group. For those interested, this project is being presented as a technical paper by David at the 2018 Pressure Surges Conference in Bordeax, France in November. I will be there to help and also present two other papers of my own. So where does New Jersey come into this?

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Recent Comments
Nicholas Matthews
I grew up in Nebraska, far from the influences of Spain and from as far back as I can remember, we called those blocks "Jersey Bar... Read More
Thursday, 23 August 2018 17:17
Trey Walters
Wow, I have lived in California, Ohio and now Colorado and this is news to me! I am sure Pedro will be happy to here this!
Thursday, 23 August 2018 17:36
Guest — Javier Garrido
The aunt of my father introduced the "new jersey" protections for the roads in spain! At that moment he was the President of high... Read More
Thursday, 23 August 2018 19:27
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Trey Walters

When Pipe Stress Analysis Meets Waterhammer Hydraulics: New Waterhammer Guidelines for Engineers

I am sitting on an airplane at this moment somewhere over the Atlantic Ocean and I am excited. Something that has been in the works for 22 years will happen next Monday, July 16 in Prague, Czech Republic. That is where the ASME PVP 2018 Conference will happen and I get to make a presentation.

Last year I helped AECOM, an AFT customer and AFT Impulse user, develop a set of pragmatic internal design documents for their project on handling radioactive fluid transport. Two of these documents provided their engineers guidance on interpreting and applying transient cavitation predictions. 

We proposed these two documents to the ASME PVP Division and they liked them enough to allow us to publish two new papers at their conference. I will be presenting these papers on behalf of AECOM and AFT.

But why I am so excited about this?
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Recent Comments
Guest — Colin D.
Is there anyway to get the complete papers? All I'm seeing are the Abstracts. Regards, Colin, DuPont Engineering... Read More
Tuesday, 24 July 2018 14:25
Trey Walters
Yes, the link in the blog now points to the full papers here: http://www.aft.com/technical-papers... Read More
Tuesday, 24 July 2018 14:47
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Stephanie Villars

Get More Flexible With Your Fluids

Here at AFT we are always looking for more ways to bring more convenience and accuracy to our model files. One of the ways we are doing this is with NIST REFPROP, the new fluids database that we have incorporated into AFT Fathom 10 and is coming soon in AFT Arrow 7 and AFT Impulse 7. Unlike Chempak, REFPROP is included at no additional cost to users. In this blog I will highlight a few reasons why you may want to take advantage of this database.

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Recent Comments
Guest — Guest
Can we use AFT Impulse for Surge Analysis of Sludge Pipeline?
Wednesday, 20 March 2019 05:16
Stephanie Villars
Thanks for your question! Yes, you can model non-newtonian fluids such as sludge in AFT Impulse using one of the non-newtonian vis... Read More
Friday, 22 March 2019 17:43
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Applied Flow Technology

Iso love the new Pipe Drawing Mode!

Have you ever wanted to show the three-dimensional nature of your piping system in AFT applications? Maybe you are building a model from an isometric reference drawing. Or maybe you are incorporating your model into a report and want to represent the x, y, AND z axes.

Whatever the reason may be, the great news is that AFT Fathom 10 includes a new Isometric Pipe Drawing Mode!

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Trey Walters

How a Russian Hydraulics Handbook Gained the Respect of the American Nuclear Industry

We are all shaped by our experiences as engineers. Our early experiences as young engineers are especially influential. 

I first worked in the aerospace industry for five years and then the nuclear industry for two years. At each of these companies we relied heavily on a handbook written originally in Russian by a Russian engineer. I am talking about the Handbook of Hydraulic Resistance by I.E. Idelchik. This book is my "go to" book on any unusual pipe system configuration hydraulic calculations and, especially, with calculations at tees and wyes.

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Recent comment in this post
Guest — Randal Ferman, PE, Principal, Ekwestrel Engineering Consulting
Nice article! If I may contribute to this...my first exposure to Idelchik's Handbook of Hydraulic Resistance was perhaps the early... Read More
Tuesday, 27 March 2018 20:58
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