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.
Know Your Pump & System Curves – Part 2A
Many users enjoyed my previous blog, "Know Your Pump & System Curves – Part 1" and greatly anticipated the release of Part 2. I'm going to split Part 2 into two separate blogs: Part 2A Brief discussion on why system curves matterPump &a...
Looking to relieve pressure? Let's talk about Relief Valves in AFT Impulse.
In any complex piping system, one of the most serious scenarios considered during a safety or HAZOP study is over-pressurization. If the pressure in the system reaches a high enough pressure, rupture can occur, leading to expensive repairs, significa...
And, Not, Or - Starting Transient Events with Complex Logic
AFT Fathom XTS and AFT Impulse have long been able to start events like pump trips or valve closures when a certain condition is met in the system. For example, a valve can close when a tank is full, or a pump can trip when the flow is too low. However, complex systems often have multiple conditions that can cause an event. The pump may trip when the flow is too low OR the suction pressure is too low. The valve may only close when two tanks are full. AFT Fathom version 10 and AFT Impulse version 7 enhance the transient capabilities to allow the definition of these complex Multi-Condition Events.
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 file...
Determine Your Pumps BEP and Know API-610's Recommendations
What is BEP & why is it important? Every pump has an ideal range of operation where the pump is most efficient. The peak of the efficiency curve is known as the best efficiency point (BEP). Determining how far your pump is operating from its BEP ...
When I wrote AFT Impulse 1 back in 1996, I slipped in an undocumented feature to make it capable of modeling the first waterhammer project I did in industry. Since then, this feature had a secret (i.e., undocumented) way of being enabled. AFT Impulse 8 will be released any day, and we have finally made this feature accessible to all. In the User Op...
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In early 2020, AFT users gave us valuable feedback via our annual survey. We read and absorbed requests for additional capabilities our software doesn't yet have, as well as capabilities the software already has and users may not be aware of. Customers praised us for the prompt high-level of support our team provides, and they let us...
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In June 2020, AFT's Reinaldo Pinto presented the webinar Calculating Transient Forces for Pipe Stress Analysis. The webinar focused on generating unbalanced forces due to surge in AFT Impulse and exporting them to CAESAR-II. During the webinar, 28 questions were asked. Below are the responses. Download the presentation: www.aft.com/...
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I am a child of the Space Age. When I was a young boy we had one color television. On one day I was watching the original Star Trek TV series with my father (through reruns), then the next day watching the Apollo missions take men to the Moon. The fiction and reality of space travel were intermixed in my young mind of around 1970. Fast forward to t...
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At the time of writing, AFT Impulse 8 is right around the corner. We are proud to boast of new capabilities to give you an even better user experience with transient analysis. AFT Impulse 8 showcases new features never seen before, and ones only hinted at with the releases of AFT Fathom 11 and AFT Arrow 8. Here, we have laid out the top 5 new featu...
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Really? Another blog about features in AFT software? Yes, really. And there is a good reason for it. Because this new feature in AFT Impulse 8 will change your life. Well, it may not change your life, but it will forever change how you do your waterhammer analysis. I am talking about the new multi-scenario graphing and animation feature. This brand...
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Many of you are aware that AFT released the ANS module for AFT Fathom and AFT Arrow last year to help engineers minimize the cost of their system and maximize reliability. You can check out this blog I wrote last year for a quick recap on the capabilities of ANS. Let's talk a bit more about what information you need to use the ANS module by introdu...
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