Losses scaling in soft magnetic materials
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[1] Częstochowa University of Technology
Częstochowa University of Technology
Częstochowa, Polonia
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[2] Electrotechnical Institute
Electrotechnical Institute
Breslavia, Polonia
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- Localización: Compel: International journal for computation and mathematics in electrical and electronic engineering, ISSN 0332-1649, Vol. 26, Nº 3 (Selected papers from the 12th International IGTE Symposium on Numerical Field Calculation in Electri), 2007, págs. 640-649
- Idioma: inglés
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Resumen
Purpose – The paper presents an application of the scaling theory in a description of energy losses in soft magnetic materials in order to improve an agreement between measurements and theoretical models.
Design/methodology/approach – The scaling theory allows the description of energy losses by a generalized homogenous function, which depends on scaling exponents α, β and amplitudes Γ(n). The values of the scaling exponents and amplitudes were estimated on the basis of measurement data of total energy losses.
Findings – The main findings of the paper are: the linear relationships between the scaling exponents α and β, the data collapse of energy losses and the scaling laws for asymptotic exponents of energy losses derivatives.
Research limitations/implications – The origin of the data collapse and the relationship between the scaling exponents will be the subject of further research with the aid of renormalization group method Practical implications – The paper could be useful both for device designers and researchers involve in computational electromagnetism. Particularly, the data collapse allows a comparison of energy loss values measured in laboratories on different samples and by different methods.
Originality/value – The application of the scaling theory in a description of energy losses in soft magnetic materials improves an agreement between measurement and theoretical models.
