Abstract
This paper is concerned with the optimal design of axial probes, commonly used in the Non-Destructive Testing (NDT) of tube boiling in steam generators. The goal is to improve the low-frequency Foucault-current imaging of these deposits by designing a novel probe. The approach uses a combination of an inverse problem solver with global optimization to find the optimal probe characteristics by minimizing a function of merit defined using image processing techniques. The evaluation of the function of merit is computationally intensive and a surrogate optimization approach is used, incorporating a multi-particle search algorithm. The proposed design is validated through numerical experiments and aims to improve the accuracy and efficiency of identifying deposits in steam generator tubes.
Original language | British English |
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Article number | 2448 |
Journal | Energies |
Volume | 16 |
Issue number | 5 |
DOIs | |
State | Published - Mar 2023 |
Keywords
- eddy-current
- finite element method
- inverse problem
- linear sampling method
- NDT
- optimal design
- surrogate optimization