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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.
Rafael Hoyer

Now it’s Super Easy! Changing Input Data in AFT Models using Excel Change Data

We've previously discussed how to make input data changes in AFT Models using the Excel Change Data feature on other blogs, but since we are continuously asked about expedited ways to input and change data, we've updated our feature to make things even easier. AFT Software has an abundance of features that make the model input process tremendously ...
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Recent Comments
Applied Flow Technology
My office has moved to office 365 recently. After this the excel change data is not working with 365 excel sheets. can you help re... Read More
Saturday, 11 May 2019 04:57
Julie Bedsole
Hello Arbind, I sent your question to support@aft.com and they will contact you shortly to help figure this out. We certainly reco... Read More
Wednesday, 15 May 2019 13:45
  2730 Hits
Trey Walters

Turning Negative Experiences Into New Directions

Twenty-five years ago I did something I thought I would never do. My job at the time had become pretty bumpy and I was not happy. With hard work and good luck, I turned that negative experience into a new direction for me personally and professionally. That new direction involved starting a whole new company. On September 14, 1993. So, I have been ...
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Guest — Michael Shahrokhani
congratulations for 25th anniversary of your company and your fantastic products, I am not your customer but I have been following... Read More
Monday, 01 October 2018 03:12
  1201 Hits
  1 Comment
Scott Lang

Not a Leak! Modeling Multi-stage Pumps with Discharge Flow Between Stages

 ​AFT Fathom has long included the ability to model multi-stage pumps by representing them with an overall effective pump curve. New in AFT Fathom 10 is the ability to model "Interstage Bleed" or "Takeoff Flow" in these multi-stage pumps.

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Recent Comments
Guest — Michael Shahrokhani
Dear Scott, If we have not the AFT Fathom 10 version, we can construct the overall pump curve (with take off), by using interstage... Read More
Monday, 01 October 2018 03:47
Scott Lang
Hello Michael, Thank you for your question! This feature in AFT Fathom 10 is primarily a convenient way to calculate the pump cu... Read More
Monday, 15 October 2018 16:48
  3218 Hits
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 11:17
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 11:36
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 13:27
  2122 Hits
Ben Keiser

Intermediate Elevations and Splitting Pipes

Hello AFT readers! It has been quite a while since I have written a blog for you all. I had a recent discussion with a user and discovered a couple pain points that may be common. We did not have any blogs on the topics yet and I figured it was time to get back in the game and write another blog for our readers! The pain points were: 1. Modeling sy...
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  4231 Hits
Aaron Ren

AFT Fathom District Heating Application

In district heating projects, hot water is the most commonly used heating medium. In order to ensure the user's heat load requirements, it is necessary to analyze and calculate the flow balance of the entire district heating system to ensure that different cases can meet the requirements of end users. 

AFT Fathom is practical fluid dynamic simulation software used to calculate pressure drop and flow distribution in liquid piping and ducting systems. I think AFT Fathom is a great choice for district heating projects.

The district heating network model of this project is bigger, and it includes the long supply line and return line, several booster pump stations, about 50 end users(exchangers), many control valves. This project has been running for 2 years, but some end user cannot get enough heat, so the owner hope us to get the reason. 
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  2001 Hits
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 08:25
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 08:47
  2032 Hits

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