Caesar II Archives - What is Piping

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Thermal Bowing in Caesar II

Piping Thermal Bowing Consideration in Caesar II with an example [With PDF]

What is Piping Thermal Bowing? Piping Thermal Bowing or Bowing is an effect that occurs in horizontal piping run due to large circumferential temperature gradients which have the potential to cause large unacceptable local thermal stresses in the pipe walls leading to fatigue failure and high loads at pipe supports and connected equipment. The pipe …

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Beijing Universal Amusement Park Buried Hot Water Piping Network Project in PASS/START-PROF

Brief Project Description Universal Studios Beijing is an upcoming Universal theme park that will open in Spring 2021 as part of Universal Beijing Resort. The park would become the fifth Universal Studios-branded theme park in the world, the seventh Universal-built park overall, and the third in Asia. The buried hot water piping network project was designed by …

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Load Cases for Stress Analysis of a Critical Piping System Using Caesar II [with PDF]

Piping Stress Analysis is simply creating the load cases required for analysis and study the impact of the same on the behavior of the critical piping systems. So Stress Analysis can not be thought without proper load case creation. Sometimes these load cases are mentioned in the piping stress analysis design basis. In this article, …

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Several ASME B31 & EN 13480 Issues Needed to Know for Pipe Stress Engineer

Axial Stress from Pressure Load, Axial Force and Torsion Moment This issue lead to serious under-estimation sustained and expansion stresses in pipes and fittings in ASME B31.1-2018, ASME B31.4-2016, ASME B31.5-2016, ASME B31.8-2016, EN 13480-2017, ISO 14692 and some other codes. For example let’s take ASME B31.1-2018 code that requires using following equation for stress …

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Applicability of Caesar II for stress analysis of lines having D/t ratio more than 100

Sometimes while working you may have come across situations when the pipe diameter to thickness ratio becomes more than 100. These normally happen for very large size low pressure systems. Due to low design pressure (of the order of 1 bar to 3 bar) calculated thickness is less. As for example consider a flare line …

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What is Thermal Bowing?

The thermal bowing phenomenon occurs when a horizontal pipe is filled partially by hot or cold fluid (LNG). Many thermal bowing occurrences cause unexpected damage to the piping or supporting structure. Since thermal bowing occurs mostly at transient conditions, such as during startup, the bowing phenomenon may go unnoticed until the damages are discovered. It …

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How to perform the buckling analysis of Vacuum Piping

Vacuum piping analysis in START-PROF is analyzed according to GOST 32388-2013 code. To set the vacuum we must specify the negative operating pressure, the difference between internal absolute pressure and atmospheric pressure. If internal absolute pressure is zero (absolute vacuum), then operating pressure should be -0.1 MPa. Features of vacuum piping: Pipes is shortening under …

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