Instability of thermodinamically non-equilibrium surface of a liquid metal in electric field
The mathematical theory of stability requires the analysis of the time evolution of an arbitrary initial perturbation of the system. However, arbitrary perturbations in real systems are possible only in thermodynamically non-equilibrium states. In this paper, this issue is considered on the example of the stability of the surface of a liquid metal in an electric field. The corresponding theory, which differs from the well-known Larmor - Tonks - Frenkel (LTF) theory, and experimentally confirmed by Serkov et al. It was also shown that account for the dependence of the surface tension on the radius of curvature of the surface in the LTF theory changes the critical electric field strength within 5%. It was found that the dependence of the critical intensity on the temperature T of the liquid metal in the theory is (1 - T / T 0)1/3, whereas for the theory considered in this paper, it practically does not depend on temperature.
Keywords
жидкие металлы,
электрогидродинамика,
неустойчивость Лармора - Тонкса - Френкеля,
liquid metals,
electrohydrodynamics,
Larmor - Tonks - Frenkel instabilityAuthors
| Zon B.A. | Voronezh State University | zon@niif.vsu.ru |
Всего: 1
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