Dynamic solutions for a fluid world™

Ben is AFT's Technical Sales Consultant. He can be found teaching many of AFT's technical seminars, stopping over for lunch and learns with our customers and managing the AFT booth at trade shows. Prior to joining AFT, Ben worked as a contract engineer for Eaton Corporation and WellbornYX Corporation. He holds a Bachelor's of Science in Chemical En...gineering (2009) from Colorado School of Mines.  More
Ben Keiser

6 Reasons Why You Need Flow Analysis

1. Guarantee the system will work according to design 2. Understand complex system interactions 3. Ensure design requirements are still met in different operating cases 4. Evaluate system dynamics of surge and non-surge related transient operation 5. Easily plan for future expansions and system modifications 6. Empower clients to better understand ...
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Ben Keiser

6 Reasons Why Flow Analysis is Necessary

To all of the engineers reading this article, we made it! Whew! Reading a three-part series is like running a marathon. Way to go! If you are new to this series, we encourage you to read this article as well as the previous two: Part 1: Six Reasons to Use a Flow Analysis  and Part 2: Flow Analysis Is Neglected. In this article are six reasons ...
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Ben Keiser

Why Flow Analysis Is Neglected

We hope you enjoyed our previous article on the Top 6 Reasons Your Design Should Include Flow Analysis. But now… let's get a bit serious and talk about three main reasons why flow analysis is neglected during the design process. It could be straight neglect, or unconscious neglect. Either  way we will open the conversation and provide some ins...
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Ben Keiser

Intermediate Elevations and Splitting Pipes

Hello AFT readers! It has been quite a while since I have written a blog for you all. I had a recent discussion with a user and discovered a couple pain points that may be common. We did not have any blogs on the topics yet and I figured it was time to get back in the game and write another blog for our readers! The pain points were: 1. Modeling sy...
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Ben Keiser

Liquids And Gases And Slurries, Oh My!

Tip:  If you know how to use AFT Fathom , then you are over the learning curve by about 90% when it comes to knowing how to use AFT Arrow , and about 80% of how to use AFT Impulse . ​ One of the best advantages to AFT software tools is they offer a full solution for any single-phase pipe flow analysis calculations. Whether you are dealing with...
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Ben Keiser

What Does “Head (HGL)” Mean for Submerged Pumps and Exit Pressures?

In AFT Fathom and AFT Impulse , it is possible to model a submerged pump where a short and possibly frictionless suction pipe for the pump’s inlet does not need to be modeled.  When modeling a submerged pump, there are two options available for specifying the system inlet boundary condition at the pump suction.  As shown in Figure 1 below, the Submerged Pump’s Suction Pressure can either be specified as “Head (HGL)” or “Pressure”.   Modeling a submerged pump is not the only time where the “Head (HGL)” or “Pressure” choices will arise.  If an Exit Valve (i.e., a valve that...
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Ben Keiser

Know Your Pump and System Curves - Part 1

AFT Fathom can easily generate a pump and system curve for your piping system.  Creating a pump and system curve for a simple system with a single flow path and no control features is an easy and typically well-understood process.  However, as piping systems are quite complicated with lots of branch points, control features, and dynamic interactions, creating a useful system curve can quickly become a common source of confusion.  This three-part blog series is going to help clarify concepts regarding pump and system curves to better understand them.   This Part 1 blog will discuss the basics of what pump...
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