Condensation processes can generate relevant loading on piping systems when large bubbles ore separated vapor volumes are collapsing in a pipe. For prediction of such loads condensation effects in piping systems were modelled and integrated in a pressure surge code for branched systems taking into account fluid structure interaction. From these calculations we get realistic results of condensation water hammer in the piping system. The loads are strongly depending on the initial conditions and operating procedures. By carrying out calculations with the different possible operating conditions the results give the basis to decide which load cases are covered by the system design and where countermeasures have to be taken. These measures may consist of changing the modus of system operation or modifying the system design itself. A typical example is given.
- Pressure Vessels and Piping Division
Condensation Water Hammer Calculation as Basis for Better Design
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Schnellhammer, W, & Diesselhorst, T. "Condensation Water Hammer Calculation as Basis for Better Design." Proceedings of the ASME 2003 Pressure Vessels and Piping Conference. Emerging Technology in Fluids, Structures, and Fluid Structure Interactions. Cleveland, Ohio, USA. July 20–24, 2003. pp. 15-21. ASME. https://doi.org/10.1115/PVP2003-1943
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