With the reactor coolant in the nuclear power plant taken as the subject for research. A model of finite element is set up after the structure of the nuclear pump has been reasonably simplified. The natural frequencies of the pump with and without connecting rod are calculated so that the natural frequency and mode shape are explained briefly. The influence of snubber, tie rod and column on the natural frequency of the nuclear pump is computed. The analytic results can be used as the theoretical base for further earthquake response analysis of the nuclear pump.
Volume Subject Area:
Safety and Security
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