Nonlinear stiffness is widespread in engineering field, which normally caused by
deformation of anisotropic structures or support gaps between structures. In this work, two …

Fluid excitation force is the root cause of flow-induced vibration in the fast reactor core,
which is an important cause of nuclear fuel failure and breakage phenomena. In this study …

EPR (European pressurized reactor) 燃料棒相比M310 燃料棒的棒长更长, 导致其频率降低,
幅值增大, 在冷却剂的作用下, 会加剧格架与棒束之间微动磨损(grid-to-rod fretting, GTRF) …

Wire-wrapped fuel rods are widely utilized in lead-bismuth reactors and subjected to high
kinetic energy fluid flow, significantly influencing the reactor's safe operation. This study …

The axial-flow-induced vibration of fuel rods in the nuclear power plant is closely related to
nuclear safety. In this article, a numerical study is performed on vibration of two elastic …

Fixing fuel rods with wires is a common positioning method in reactors, especially fast
reactor cores. Due to the presence of wires, unbalanced or even fluctuating excitation forces …

The length of the EPR (European pressurized reactor) fuel rod is longer compared to the
M310 fuel rod, resulting in a decrease in frequency and an increase in amplitude compared …

In this inquiry, a comprehensive experimental exploration delves into the flow-induced
vibration traits of individual rods across varying circumstances. Utilizing a Laser Doppler …

Among the fourth-generation nuclear reactors, LBE-cooled reactors stand out as particularly
promising due to their high neutron economy, high thermal conductivity, and high boiling …