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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

Why You Should Care About AFT's New User Groups

Do you ever wonder who the people are behind AFT? Do you wonder what our plans are for the future of our software products? Do you ever wish you could talk directly to AFT staff and communicate new features you would like to see? Do you ever wonder who else uses our products in the geographic region around you?

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John Rockey

Default Model Input

The ability to specify default input parameters is a feature that is common to all AFT software products. Diameter, Friction Model, and Design Factors can be specified by default for pipes. Input properties for Junctions are specific to each junction type, so the only common default property is elevation. The default input options are found in “Parameter and Unit Preferences”. In general, this feature makes model building faster and more efficient. The user should, however, be aware of how this affects the “Status” of pipes and junctions. The “Status”, to which I am referring, is the green light to run the...
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Trey Walters

Should Engineers Always Perform Waterhammer Analysis of New Pipe Systems?

The question of whether waterhammer analysis on new pipe systems is optional or required does not have a definite answer. In some cases it is clear - such as when the pipe system is being designed in compliance with ASME code (see How AFT Impulse Can Help Engineers Comply With ASME Codes). But in many cases it is up to experience and judgment whether or not to perform waterhammer analysis.

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Ben Keiser

Easily Model Multiple Pump Configurations with ONE PUMP!

AFT Fathom 8 can be used to quickly and easily model multiple pump configurations with different pump speeds and impeller sizes.  First, determine a particular pump curve to use from either a manufacturer’s pump curve or pump curve verification test data.  Next, determine new pump curves for head and flow using the affinity laws considering either a change in pump speed or impeller size.  The multiple pump curve data sets will then be entered for each particular pump configuration. In Figure 1 (click on the image to see it larger), there are a few pump configurations that have already been defined. ...
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Trey Walters

Are Technology and Automation Really Destroying Jobs?

I remember as a child watching an episode of the Twilight Zone where a man replaces all of  the workers in a factory with machines. The episode treated this topic as morally corrupt. And my childlike mind agreed. I remember feeling badly for all the people who lost their jobs and thinking, philosophically, how one day machines and computers could replace all jobs and no one would have any work to do. 

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Jean Verot
I recently went to a conference on the actual crisis and it was said that 50% of the goods we are using today did not exist 20 yea... Read More
Thursday, 07 February 2013 07:26
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John Rockey

Balance Energy At Junction … What?

AFT Fathom has the ability to model heat transfer. The default mode (found in system properties) is “Constant Fluid Properties”. To avoid confusion in the default mode, several of the heat transfer input fields and option boxes are invisible or disabled until one of the following heat transfer modes are employed:  Heat Transfer With Energy Balance (Single Fluid)Heat Transfer With Energy Balance (Multiple Fluids) Upon selecting one of these heat transfer modes, the user may notice an option box labeled “Balance Energy at Junction”; found at the lower left of the first tab in the properties window for the Assigned Pressure...
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Trey Walters

What do NASA, DuPont, GDF Suez and the University of Arkansas know about AFT software that you may not? Watch it here!

 


Introducing Applied Flow Technology


AFT Intro Video


Fluid transportation is an integral part of today's society. AFT software products have emerged as world leaders in helping engineers move fluids more safely and efficiently. There are countless examples of this. We have chosen four such stories to help engineers understand how our products can help them solve problems and improve their engineering designs and operations. We developed a video to tell this story. Watch it here!

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