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- Title
INFLUENCE OF SPECIFIC ELECTRICAL RESISTANCE ON THE HEATING OF METAL PLATES EXPOSED TO HIGH FREQUENCY ELECTROMAGNETIC WAVES.
- Authors
MILOŠEVIĆ-MITIĆ, Vesna O.; JOVANOVIĆ, Miloš M.; PETROVIĆ, Ana S.; IVANOVIĆ, Ivana B.; MIĆOVIĆ, Aleksandar S.
- Abstract
Temperature distribution in the metallic plate influenced by high frequency electromagnetic wave depends on thermal and electrical properties of the plate material. The goal of the paper is to present the significance of the temperature dependence of the electrical resistivity and its influence on the plate heating. A mathematical model of the problem was established and an analytical closed-form solution the problem was presented. The active power of the electromagnetic wave was calculated by Poynting vector. Temperature field was obtained by integral-transform technique. Numerical examples were presented for three different materials (copper, aluminum, and steel). Calculated results show the large influence of temperature dependent electrical resistance on heating of the metallic plate.
- Subjects
HEATING of metals; ELECTROMAGNETIC waves; RESISTANCE heating; POYNTING theorem; TEMPERATURE distribution; ELECTROMAGNETIC wave absorption
- Publication
Thermal Science, 2023, Vol 27, Issue 5A, p3649
- ISSN
0354-9836
- Publication type
Article
- DOI
10.2298/TSCI220429063M