Many AFT users have come across the message that a reference pressure is needed when attempting to run a model but do not often know how to handle it. Why is it showing up? What can they do to fix the issue? Before going too far, it is important to understand the problem is a limitation of physics and math, not of AFT software. We will wo...
Evans Goodling? An engineer? Who is that? Until last month I had almost no idea. The ASME 2022 PVP conference in Las Vegas last month changed that. There I met someone who knows Goodling personally and worked with him in ASME for many years. He gave me some background on how Goodling came up with his steam hammer load prediction method. Which is wh...
Air compressors, they are a machine that everyone has interacted with in their life time. Whether it is in the garage, at the gas station, or in a manufacturing environment compressed air is everywhere. Compressed air is one of the most widely used utilities out there, but also one of the most expensive utilities out there. The key to is to make su...
As if we all need something else to worry about, right? But I am afraid it is true. The concern stems from how fast steam acoustic waves steepen as they transmit through a system. This steepening causes transient forces on the steam piping much higher than conventional methods predict. When I was beta testing AFT's latest software product, AFT xStr...
AFT Fathom, AFT Arrow, AFT Impulse, and AFT xStream all have a tab in the Pipe Properties window called "Fittings & Losses" which allows users to quickly specify K factors for components within a pipeline such as valves, elbows, and area changes. The Fittings & Losses allow you to simplify your model and avoid workspace clutter by inte...
I love post-apocalyptic movies. My first introduction to the genre may have been the original Planet of the Apes I watched with my father as a young child. Today I will admit to really enjoying The Walking Dead. Most of these shows assert a disaster happened that was often man-made. While Hollywood scares us in an entertaining fashio...
The price of gasoline is at a record high. What is going on? How long will it last? Unlike in recent years, today there are some easily identifiable world events and trends causing this. And refining is a big one. That is the main reason that refining company Valero Energy has the second-best growth among S&P 500 stocks in 2022 (as of May ...
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