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Tips and Tricks

Nick Vastine

Two for One: How Dependent Design Cases Help Automatically Size Networks to Satisfy Multiple Operating Scenarios

With the recent release of the Automated Network Sizing (ANS) module for AFT Fathom and the upcoming release for AFT Arrow , network sizing has never been easier. The ANS module utilizes Intelliflow , a technology previously featured in AFT Mercury and Titan, to evaluate slight design deviations to automatically size pipes, valves, and pumps for a ...
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Dependent Design Cases Scenario Management design process ANS Module AFT Fathom AFT Arrow
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Stephanie Villars

Applying the Improved ATKF Method for Laminar and Non-Newtonian Flow

If you have worked with Non-Newtonian fluids or low velocity systems in AFT Fathom or AFT Impulse before, then it is likely that you have worked with the Adjusted Turbulent K Factor (ATKF) method before. The ATKF method can be used to adjust K factor data developed for turbulent flow conditions to better predict loss in the laminar f...
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Slurries non-Newtonian fluid laminar flow ATKF AFT Impulse AFT Fathom
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Scott Lang

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​.

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Multi-Condition Event AFT Fathom 10 AFT Impulse 7 AFT Impulse AFT Fathom XTS
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Ben Keiser

You Should Combine Your Pipes

  One of the many powerful features in AFT Impulse is the ability to calculate transient forces during a waterhammer/surge event (See " Evaluating Dynamic Loads in Piping Systems Caused by Waterhammer " white paper). The resulting transient forces can be exported into a pipe stress analysis software. Pipe stress analysis care about what the tr...
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Julie Bedsole
Hello Mike - You may have some trouble seeing figures 8-21 in the PDF box located next to the content. We will look at this and de... Read More
Wednesday, 15 May 2019 19:40
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Stephanie Villars

Raise the bar using Vacuum Breaker Valves

Vacuum breaker and air valves are useful tools in the industry for protecting pipelines against vacuum or near vacuum conditions. High points in the pipe can be susceptible to these low-pressure conditions during surge events, as pressure waves moving through the system cause a sudden pressure upsurge or downsurge. AFT Impulse can help engineers to...
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cavitation vacuum conditions air valves vacuum breaker Vacuum Breaker Valve AFT Impulse
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Rafael Hoyer

Link Your Heat Transfer

We are frequently asked about AFT capabilities, and today I want to talk about how to model the heat transfer on heat exchangers. This is something we have discussed previously . But apparently, it is still a confusing topic while using AFT Products to model systems in which heat exchangers are present.  First, I have to say that in fact it is...
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AFT Products heat exchangers heat transfer model AFT capabilities
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Rafael Hoyer

¡Ubicación Automática de Bombas!

¿Alguna vez te has hecho esta pregunta? Hace unos meses atrás estando a cargo del soporte de AFT recibí la llamada de un cliente que se encontraba en la búsqueda de una aplicación que automáticamente le ayudara a determinar la ubicación de su bomba o sistema de bombeo (principal e impulsoras) en su sistema de tuberías. Los productos AFT han sido de...
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AFT recibí cargo del soporte Hace unos meses atrás estando hecho esta pregunta ¿ Alguna vez te
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