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...
Introducing Applied Flow Technology |
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!
AFT Fathom provides a Three Way Valve which increases the Engineer’s capability to model system control. The Three Way Valve Properties Window shows the three connecting pipes in drop-down lists, which allows users to specify which pipe is the combined flow pipe, and which two are the split flow pipes. By entering the loss profile through each flow path, and then by selecting the actual percent open, Fathom will calculate the actual loss values for each flow path. Using the Three Way Valve in conjunction with the Goal Seek & Control module (GSC) increases the Engineer’s capability to model I&C logic...
The demand for our AFT Impulse waterhammer modeling software and associated training seminars has been growing steeply in recent years. I frequently travel internationally to teach seminars on waterhammer. When I do I make it a point to find out what the engineer's local language calls waterhammer.
Relief valves can be modeled in four different configurations with AFT products and they are shown in the figure below. The required inputs for modeling a relief valve are the valve type, cracking pressure, valve loss model, and the exit pressure in the case of relieving to the atmosphere. There are three types of relief models available: Internal (Cases 1 & 1a), Relief Valve at Exit (Case 2), and Inline Exit (Case 3). In cases 1 and 1a, the relief valve is relieving into vent piping downstream of the valve. Note that there is initially no flow in the pipe downstream...
In 2010 the Walt Disney Company created a mind-boggling new night time show called World of Color at the Disney California Adventure theme park which is part of Disneyland Resort in Anaheim, California. For anyone who ever doubted that flow can be fun, you need to see this show!
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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