As an important part in both product development and analytical model validation, Westinghouse continues to develop prototype testing capabilities. Towards better understanding fuel assembly’s structural performance during a seismic event, our recent effort was to develop a new testing capability for simulating multiple fuel assembly impact that may occur during a seismic event. The test system was developed by adding a pendulum system to our existing fuel assembly mechanical test stand. Following qualification of the testing system, a prototype fuel assembly was tested using selected pendulum parameters. Fuel assembly displacement, impact loads at various contact locations, and the spacer grid deformation as a function of impact forces were obtained. The test results provided new insights and understanding of the fuel assembly’s structural performance during a simulated seismic event, and are useful for model development and validation.
- Nuclear Engineering Division
Development and Demonstration of a New Testing Capability for Simulating Multiple Fuel Assembly Impact During a Seismic Event
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Zhao, W, Lee, YC, Kunishi, H, Karoutas, Z, & Doan, A. "Development and Demonstration of a New Testing Capability for Simulating Multiple Fuel Assembly Impact During a Seismic Event." Proceedings of the 18th International Conference on Nuclear Engineering. 18th International Conference on Nuclear Engineering: Volume 5. Xi’an, China. May 17–21, 2010. pp. 517-522. ASME. https://doi.org/10.1115/ICONE18-29468
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