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Calculation of magnetic leakage field from a surface defect in a linear ferromagnetic material: an analytical approach |
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| Authors: | S Lukyanets A Snarskii M Shamonin V Bakaev |
| Affiliation: | a Institute of Physics, National Academy of Science, Pr. Nauki 46, Kiev, Ukraine;b National Technical University of Ukraine KPI, Pr. Peremoga 37, 03056, Kiev, Ukraine;c H. ROSEN Engineering GmbH, Am Seitenkanal 8, D-49811, Lingen (Ems), Germany |
| Abstract: | A novel analytical approach for calculating the magnetic leakage field from surface defects is proposed and demonstrated for the case of a linear ferromagnetic material. The novelty of the theory is that it relates the distribution of induced magnetic charges to the surface shape. An excellent agreement between the analytical and numerical results is shown. The functional relations between different magnetic field components are discussed. |
| Keywords: | Magnetic methods Flux leakage Mathematical model Defects |
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