Abstract
By the analysis of the three-dimensional flow field of the fuel assembly grid, the high-frequency flow-induced vibration test of small-scale test assembly, the preliminary research on the overall and local flow-induced vibration mechanism and influencing factors of the fuel assembly grid is carried out. A system of evaluation index based on the three-dimensional flow field analysis of the grid and the flow-induced vibration test of 5 × 5 small test assembly is preliminarily established, which can more accurately evaluate the flow-induced vibration characteristics of the PWR fuel assembly grid.
Volume Subject Area:
Thermal-Hydraulics and Safety Analysis
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