Computational methods for analyzing pressure transients in the intermediate heat transport system of a sodium-cooled breeder reactor are being developed at Argonne National Laboratory. The pressure pulses produced by a sodium/water reaction in a steam generator may plastically deform sections of the piping, and wave interactions may then produce cavitation in the system. Both these phenomena have a large effect on the pressure pulses traversing the pipe network and, consequently, on the transient loading on major components. Comparisons will be shown between predictions of the PTA-2 computer code and the results of experiments performed at Stanford Research Institute. In these experiments, a pressure pulse caused plastic deformation of a thin-walled pipe, producing a rarefaction wave which then produced a cavitated region in another pipe.
Pressure Transient Analysis in Piping Systems Including the Effects of Plastic Deformation and Cavitation
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Youngdahl, C. K., Kot, C. A., and Valentin, R. A. (February 1, 1980). "Pressure Transient Analysis in Piping Systems Including the Effects of Plastic Deformation and Cavitation." ASME. J. Pressure Vessel Technol. February 1980; 102(1): 49–55. https://doi.org/10.1115/1.3263301
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