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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.

Looking Behind High Gasoline/Petrol Prices – Trends in Oil Refining

The price of gasoline is at a record high. What is going on? How long will it last? Unlike in recent years, today there are some easily identifiable world events and trends causing this. And refining is a big one. That is the main reason that refining company Valero Energy has the second-best growth among S&P 500 stocks in 2022 (as of May ...

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Russia, War and Big Changes for Liquified Natural Gas (LNG)

Wow, have things changed a lot in the last two months! Russia's unprovoked attack on Ukraine in February has literally changed the world. Our hearts and prayers go out to the Ukrainian people who are experiencing unimaginable suffering. Tens of thousands of people have died and many more have had their lives upended. Now two months later Sweden and...

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What Does the Ukrainian Fluid Flow Term “Hydro Udar” Mean?

In 2018 I attended an ASME conference where I met Igor and his son Andrii. They were the first and only Ukranians I have ever met. Both were very likeable and smart. When Russia attacked Ukraine last month I thought of them and their safety. At a conference dinner one night I was sitting next to Igor and asked him a question I often do when I meet ...

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For Geeks Only – Solving Transient Compressible Flow Equations

Be forewarned that today I am going into full on geek mode and talk about equations for transient compressible flow. These equations are in the form of hyperbolic partial differential equations (PDEs'). If that did not scare you away yet, then you may be as much of a geek as I am! With some fancy mathematics, three PDE's can be converted into six o...

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Is there steam on your (Microsoft) Windows? How ASME Steam Tables came to be.

In the modern world there are many things we take for granted – especially in first-world countries. Among them are the reliable availability of water and electricity. To our homes. To our workplaces. Just about everywhere. Engineers also take things for granted. One of those is reliable data on the properties of steam and water. But it was not alw...

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AFT Impulse: A Quarter Century as a World Leader

A few weeks ago, a major milestone was passed when AFT Impulse experienced it's Silver Jubilee - which is another word for 25th Anniversary. On November 21, 1996, AFT released the world's first visual waterhammer modeling software for Windows. This is significant for a few reasons including a reminder to me that I am getting really old! At the mome...

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Orbital Reef: A Business Park in Space?

Getting things into orbit around the earth is hard. And expensive. The privatization trend in space technologies has been ongoing for a number of years, and new technologies are reducing costs significantly. A few weeks ago Sierra Space was joined by Blue Origin, Boeing and several other organizations in releasing details of their plan to deliver a...

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