Numerical analysis on pressure propagation in pressure suppression system due to steam bubble collapse.

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概要

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• In order to provide a numerical tool for the analysis of pressure response to steam bubble collapse in a BWR pressure suppression system, a computer program has been developed.<BR>The program is featured in the capability of handling three-dimensional fluid structure interaction based on finite element method.<BR>Numerical results are compared with experiments in both frequency and time domains. Natural frequencies of the fluid structure system are well predicted. Fluid damping associated with the bubble collapse and pressure wave travelling needs further investigation.

• 一般社団法人 日本原子力学会の論文

著者

• UTAMURA Motoaki

  Energy Research Lab., Hitachi Ltd.

• MORIYA Kumiaki

  Nuclear Power Plant Engineering Department, Nuclear Power Generation Division, Hitachi Ltd.

• UOZUMI Hiroto

  Nuclear Power Plant Design Department, Hitachi Works, Hitachi Ltd.

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• Development of computer program for analyzing three-dimensional pressure field in pressure suppression system.

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