Let me start by saying that this is a purely theoretical example because it is hard to imagine the existence of pressure in a thin-walled object that has a crack through the entire thickness of the wall. There is nothing more practical than a solid theory! Let's assume we have a pipeline or...
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What's new in Caesar II 14
A new version of Cezark has been released. What's new in it? Updates to the following codes have been introduced: ASME B31.1, B31.3, B31.5, B31.8, EN 13480-3:2017/A5, API 617, ASCE 7 and IBC. The ASME B31.12 - 2019 code has been added for the design of industrial installations and pipelines...
Acoustic Induced Vibration (AIV)
This type of fatigue is a phenomenon that should also be taken into account in pipelines, although it is most often associated with aviation technology. It concerns primarily process pipelines with large diameters greater than 250 with very high flow rates...
Bathtub siphon as proof of progress in sanitary engineering
I am renovating a 60s apartment in a nice part of Warsaw. Today it was time for the bathroom installations. I wanted to keep the beautiful cast iron bathtub, which is no longer available in stores. To do this I had to rip out the cast iron siphon, which weighed about 7 kg. The PVC siphon, which...
PVC piping stress calculations Part III
Example of a pumping station system with a medium tank. A typical solution with a double pump system. Below I show several elements of the PVC installation.