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  • Users: pietkoning
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  1. pietkoning

    Pipe vibration assessment (VDI 3842 or equivalent)

    Dear community members, After having searched in several books and on the internet for a good reference, I must conclude that a good description to assess measured vibrations is difficult to find. Suppose the goal is to perform a pipe vibration measurement and subsequent assessment. The...
  2. pietkoning

    Tubesheet subject to thermal loads in Section I boiler

    When I have a tubesheet in a boiler, it will be subject to both pressure loads and thermal loads. Pressure loads are well covereed in Section I by applying rules for flat plates and ligaments. However, there don't seem rules to cover thermal loads on the tubesheet. Consider the following very...
  3. pietkoning

    Selection of Section I paragraphs from different parts

    When using ASME B&PV Section I, some topics are not in Part General, but in one of the specific parts like PFT (firetube boilers) or PWT (watertube boilers). For example: (*) external pressure is covered by Part PFT (PFT-50 covers some rules for cylinders (tubes) under external pressure). When...

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