In the present work we applied the non equilibrium thermodynamic theory in the analysis of the Dielectric Breakdown (DB) process. As the tree channel front moves, the intense field near the front moves electrons and ions irreversibly in the region beyond the tree channel tips where electromechanical, thermal and chemical effects cause irreversible damage and from the non equilibrium thermodynamic viewpoint: entropy production. From the non equilibrium thermodynamics analysis the entropy production are due to the product of fluxes Ji and conjugated forces Xi: σ = ∑i Ji Xi ≥ 0 We consider that the coupling between fluxes can describe the dielectric breakdown in solids as a phenomenon of transport of heat, mass and electric charge.
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Nonequilibrium Thermodynamics and entropy production in Simulation of electrical tree growth
Published: 17 November 2019 by MDPI in 5th International Electronic Conference on Entropy and Its Applications session Thermodynamics and Statistical Physics
Keywords: entropy production; dielectric breakdown; non equilibrium thermodynamics