Fuel cladding wear evaluation method and system
Through simulation calculation and micro-movement wear tests, combined with multiple regression models, the problem of difficult to detect early fuel cladding wear is solved, efficient and accurate wear evaluation is achieved, and the safe and stable operation of the nuclear reactor is ensured.
CN119692172APending Publication Date: 2025-03-25SUZHOU NUCLEAR POWER RES INST CO LTD
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Patent Information
- Application Number
- CN202411691653.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-03-25
AI Technical Summary
Technical Problem
Fuel cladding wear is difficult to accurately detect in the early stages through conventional testing methods, affecting the safe and stable operation of the nuclear reactor.
Method used
By obtaining foreign object attribute data, core geometry data and fluid attribute data, the motion trajectory data, normal force and displacement amplitude of foreign objects in the fluid environment are obtained by simulation calculation, and combined with micro-movement wear test and data analysis technology, a multivariate regression model is established to evaluate the wear results of fuel cladding.
Benefits of technology
It achieves efficient and accurate assessment of fuel cladding wear, provides early warning, and ensures the safe and stable operation of the nuclear reactor.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention relates to a fuel cladding wear evaluation method and system, and the method comprises the steps: obtaining foreign matter attribute data, reactor core geometric data and fluid attribute data, and obtaining the motion track data, normal force and displacement amplitude of a foreign matter in a fluid environment corresponding to the fluid attribute data through simulation calculation; obtaining a fretting wear test carried out in a preset fretting mode based on the motion trail data to obtain wear characteristic data of the fuel cladding; and obtaining a fuel cladding wear result by using the wear characteristic data, the normal force and the displacement amplitude based on a preset model. According to the method, simulation calculation, fretting wear test and data analysis technologies are comprehensively applied, so that the wear condition of the fuel cladding is efficiently and accurately evaluated.
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