Theoretical and Experimental Investigations of Flow Induced Vibrations of Long Slender Structures Partially Immersed in Sodium Pool of LMFBR

摘要

In this papoer, the sources of excitation mechanism of vibrations of long partially immersed structures in a liquid are investigated. The experimental tests carried out on mockup level probes are described. From the experiments, the excitation froce has been found as a function of the flow rate which is used for the theoretical investigations. The theoretical formulation of the problem has been carried out using random vibration theory. The amplitude of vibrations of the level probe is computed from the analysis.