"JOURNAL OF RADIO ELECTRONICS" (Zhurnal Radioelektroniki)  ISSN 1684-1719, N 7, 2016 contents             full text:  html,   pdf

Thermal effects of electromagnetic radiation on the conductive particles integrated into the dielectric medium

P. S. Glazunov 1, V.A. Vdovin 2, A.I. Slepkov 1

1 Lomonosov Moscow State University, Faculty of Physics, General Physics Department

2 Kotel’nikov Institute of Radio Engineering and Electronics of Russian Academy of Sciences

The paper is received on July 6, 2016

Abstract. This paper is devoted to theoretical research of impact of an electromagnetic radiation on the heterogeneous mediums such as "conductive particles in a dielectric", namely thermal effects of influence are studied. Two idealized models are considered: the first one represents two half-spaces "metal-dielectric", and the second one is conductive sphere in a dielectric. It is considered that the Ohm's law in a differential form is valid, and function of sources of heat can be found from the Joule-Lenz law. For both models the problem about passing of an incident plane harmonic electromagnetic wave into the metal is solved. For model of two half-spaces the solution is found in the form of the reflected, passed and falling waves, for the "sphere in a dielectric" model the solution is found by means of Borgnis's functions. For the first model by means of Laplace transformations the problem about distribution of heat is solved: the formula describing a temperature portrait in system and also the asymptotic formula describing temperature on a boundary of the metal-dielectric mediums at rather long periods of time are removed. For the second model a function of sources of heat is found.

Keywords: conductive particles, heterogeneous medium, the effect of selective impact, the thermal effect.

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