2024
DOI: 10.1007/s11071-024-09310-7
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Nonlinear vibrations and wear predictions of slender cylinders with loose support subjected to axial flows

Yixiang He,
Haoran Xing,
Huliang Dai
et al.

Abstract: Flow-induced vibration of fuel rods subjected to axial flows frequently appears in nuclear engineering, which has been a significant scientific problem still unsolved. This paper simplifies the fuel rod as a slender cylinder with loose support in axial flows, and explores nonlinear dynamics of the slender cylinder through theoretical modeling. The dynamical model is constructed with consideration of impact and friction forces attributed by the loose support. The results show that the flutter critical flow velo… Show more

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