Seismic reliability analysis of dry air core reactor based on ANSYS

Weikun Chen; Wei Lu; Jia Yao; Jintao Cai

doi:10.1117/12.3056097

19 December 2024 Seismic reliability analysis of dry air core reactor based on ANSYS

Weikun Chen, Wei Lu, Jia Yao, Jintao Cai

Author Affiliations +

Proceedings Volume 13444, Fifth International Conference on Mechanical Engineering, Intelligent Manufacturing, and Mechatronics (MEIMM 2024); 134440K (2024) https://doi.org/10.1117/12.3056097
Event: The 5th International Conference on Mechanical Engineering, Intelligent Manufacturing, and Mechatronics, 2024, Guilin, China

Abstract

Due to reactors are usually installed outdoors, which are greatly affected by external factors, the requirements for their seismic resistance must be ensured according to Seismic Code Standards. The dynamic response of the reactor under seismic action is complex, but the existing seismic analysis methods are often unable to fully consider the complex structural characteristics of the reactor. In order to overcome this defect, this paper firstly established a finite element analysis model, which is based on the structural characteristics of single-phase dry series hollow reactor (CKDK). The response of the reactor under the load spectrum of 8 level earthquake has been calculated, the modal analysis of the seismic response curve has been obtained, also the response spectrum seismic analysis has been carried. The maximum equivalent stress of the CKDK under seismic load spectrum of 8 level is 98.48 MPa in the planetary shelf with a minimum safety factor of 3.3, the seismic reliability of the reactor model can meet the requirement of a minimum safety factor of 1.67. This method not only takes into account the complexity of the CKDK structure, but also improves the accuracy of the calculation results. The simulation results are in good agreement with the experimental test results, which can provide a reference for the evaluation of the seismic performance of dry hollow reactors.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Weikun Chen, Wei Lu, Jia Yao, and Jintao Cai "Seismic reliability analysis of dry air core reactor based on ANSYS", Proc. SPIE 13444, Fifth International Conference on Mechanical Engineering, Intelligent Manufacturing, and Mechatronics (MEIMM 2024), 134440K (19 December 2024); https://doi.org/10.1117/12.3056097

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KEYWORDS

Spectral response

Deformation

Modal analysis

Frequency response

Reliability

Safety

Vibration

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