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Trey Walters

Now For Something Completely Different: The New Graph Guide in AFT Impulse 6

AFT Impulse will be celebrating it's 20th anniversary later this year in November. I was the original software developer of AFT Impulse back in 1996 and was still actively writing code up through AFT Impulse 4. So AFT Impulse is near and dear to my heart. Within the next few days we will be releasing AFT Impulse 6 and it will have some new and extremely powerful graphing features (more on that below).

As we started to test the new graphing features we were concerned that users would struggle to access these features. So we came up with an idea that turned into the Graph Guide. 

What is the Graph Guide, you ask? Well, in simple terms the Graph Guide is an interactive, hierarchical guide built into the Graph Results window which assists the user in creating, formatting and retaining simple and complicated graphs. When the user chooses what he/she wants to do, numbered "direction bubbles" appear on the screen to guide the user in accomplishing the task.

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Jake Miller

Making Your Digits Significant

AFT Software is jam packed with options that allow Users to customize their hydraulic modeling experiences. Of which, are the many ways to use the data tables when viewing text based inputs and conveying results. But sometimes the defaults, for example in AFT Fathom , are not identical to how you elect to report your results. In this blog I will show you how to increase the number of significant figures in your data tables. As mentioned earlier, data tables are found in the Model Data Window as well as the Output Window. These text based interfaces contain cells much like...
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Trey Walters

Why Gases Are More Complicated Than Liquids: And How the New AFT Arrow 5 Can Help

Several generations of engineers ago engineers realized that performing calculations on gas flow is a lot more difficult than for liquids. As a result, the bulk of what is gas flow engineering history has revolved around how to treat gases as liquids. Another large portion of history is how to simplify gas flow equations down to simple isothermal relationships. In other words, the majority of gas flow engineering historically is about how to take short cuts with gas flow calculations. Today it is no longer necessary to take short cuts. But all too often we see engineers doing just that. AFT...
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Ben Keiser

Making Use of the Quick Access Panel

With the release of AFT Fathom 8 and AFT Impulse 5 , there is an incredibly useful new feature available on the Workspace called the "Quick Access Panel".  This feature allows you to quickly and easily work with several useful features of the software in one area such as the Scenario Manager, Pipe and Junction Inspection, Workspace Overview Map, the Checklist, and ability to activate the add-on modules. Scenario Manager Access to the full Scenario Manager capabilities exists in the Quick Access Panel.  Add new scenarios, clone scenarios, promote scenarios, re-order scenarios, add notes for scenarios, etc. Properties The Properties tab...
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Ben Keiser

New & Improved Laminar & Non-Newtonian Flow Calculations with AFT Fathom 8

AFT Fathom 8 has a new and improved method for predicting system pressures that involve laminar flow or non-Newtonian fluids.  The Adjusted Turbulent K Factor (ATKF) method is used to apply corrections to pipes and components involving these special flows.  The ATKF method can be enabled on the System Data tab in the System Properties window. Clicking on the question mark next to the ATKF method will access the AFT Fathom 8 Help Content that discusses the ATKF method in detail. In September 2012, Applied Flow Technology and DuPont published a technical article for the International Pump Users Symposium that discusses...
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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...
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John Rockey

Annotation Images

One of the many new features in Fathom 8 is the ability to show images in the annotation box. This simple feature will allow the engineer to easily and clearly communicate a vast array of information through the Workspace and Visual Report.   To add an image to the Workspace or Visual Report, as seen above, select the Annotation tool from the toolbox. Then select the “Line/Arrow/Image” tab and specify the file path to your image. Once the image is selected, click OK. The image box shown on the workspace can be easily moved and resized.
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