Conference Proceedings Paper
Computational Models to Determine Fluiddynamical Transients Due to Condensation Induced Water Hammer (CIWH)
NURETH-14 - 2011 September 25-30
Harald Swidersky (TUEV SUED Industrie Service GmbH)
Andreas Schaffrath (TUEV NORD SysTec GmbH & Co. KG)
Andreas Dudlik (Fraunhofer Umsicht)
Condensation induced water hammer (CIWH) represent a dangerous phenomenon in pipings, which can endanger the pipe integrity. If they cannot be excluded, they have to be taken into account for the integrity proof of components and pipe structures. Up to now, there exists no substantiated model, which sufficiently determines loads due to CIWH. Within the framework of the research alliance CIWA, a tool for estimating the potential and the amount of pressure loads will be developed based on theoretical work and supported by experimental results. This first study discusses used computational models, compares their results against experimental observations and gives an outlook onto future techniques.
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