Abstract
The mobile micro-reactors, as advanced nuclear systems, had the capability to provide energy to remote areas and islands. However, the non-uniform mass distribution characteristic of Liquid Lead-Bismuth Eutectic (LBE), which possessed a high density, substantial mass, and compact volume, mobile micro-reactors required special attention during transportation when mounted on trucks and passing through rough roads. This paper aimed to investigate the vibration responses of the mobile micro-reactor with non-uniform mass distribution during transportation. To achieve this, a separated model was developed using the Lagrange multi-body dynamic equations, the recorded responses data were evaluated using MATLAB, a numerical simulation software. Furthermore, a parametric study was conducted to examine the influence of the mass of LBE mass and the positions of the micro-reactor on the vibration responses during transportation. The results indicated that the mass of the micro-reactorwas directlyproportionaltothe vibration responses, and the responses could be different with the moveable situation of the reactor. This study demonstrated that the separated model could evaluate the transportation vibration responses of both the mobile micro-reactors and the truck more accurately, thereby facilitating the safe transportation of mobile micro-reactors with non-uniform mass distribution.
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