Liquid Sloshing in Fuel Storage Bays of Advanced Reactor Subjected to Earthquake Loading

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Abstract

Earthquake-induced loads on components and structures related studies are vital to ensure the safety of the plant. In this work, the Fuel Storage Bay (FSB) of typical Indian advanced reactor has been taken for estimating the design parameters for seismic design. The FSB of advanced reactor has five water pools which are interconnected through passages. The FSB inner tank is connected to an outer tank in the middle through a concrete pedestal and other isolators are arranged in such a way that the FSB inner tank could move only in the lateral and longitudinal directions but not in the vertical direction. Hence it should be considered as a tank with roller support. The liquid free surface is captured by the Volume of Fluid (VOF) technique and the fluid portion is solved by the finite volume method while the structure portions are solved by the finite element approach. The two-way mechanical interaction between the fluid and the pool wall is simulated using a partitioned strong fluid-structure coupling. It is found through Computational Fluid Dynamics (CFD) approach that the maximum slosh height is 0.35 m under design seismic load computed.

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Eswaran, M., & Reddy, G. R. (2016). Liquid Sloshing in Fuel Storage Bays of Advanced Reactor Subjected to Earthquake Loading. In Procedia Engineering (Vol. 144, pp. 1278–1285). Elsevier Ltd. https://doi.org/10.1016/j.proeng.2016.05.118

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