Study on Dynamic Characteristics of Extension-Type Fuel Assembly

Zhang Xiaoling; Zhao Hui; Yu Danping; Liu Litao; Sun Lei; Ma Jianzhong

doi:10.13832/j.jnpe.2016.S2.0056

Volume 37 Issue S2

Feb. 2025

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Zhang Xiaoling, Zhao Hui, Yu Danping, Liu Litao, Sun Lei, Ma Jianzhong. Study on Dynamic Characteristics of Extension-Type Fuel Assembly[J]. Nuclear Power Engineering, 2016, 37(S2): 56-57. doi: 10.13832/j.jnpe.2016.S2.0056

Citation:

Zhang Xiaoling, Zhao Hui, Yu Danping, Liu Litao, Sun Lei, Ma Jianzhong. Study on Dynamic Characteristics of Extension-Type Fuel Assembly[J]. Nuclear Power Engineering, 2016, 37(S2): 56-57. doi: 10.13832/j.jnpe.2016.S2.0056

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Study on Dynamic Characteristics of Extension-Type Fuel Assembly

doi: 10.13832/j.jnpe.2016.S2.0056

Nuclear Power Institute of China, Chengdu, 610213, China

Received Date: 2016-10-09
Rev Recd Date: 2016-12-22

Available Online: 2025-02-15

Publish Date: 2025-02-15

Abstract

Abstract

Numerical analysis combined with test which adopting impacting method is used to achieve the dynamic characteristics of fuel assembly under different boundaries. Firstly, finite-element analysis method is used to predict the natural frequency of fuel assembly, and the results supply a reference for test parameter setting and identification. Then the test adopts the impacting method, single-point excitation and multiple-point vibration pickup, to obtain the natural frequencies and modes. The results from the test and the numeric analysis are uniform.
- Fuel assembly,
- Dynamic characteristics test,
- Numeric analysis