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Journal of Applied Mechanics and Technical Physics

2018 year, number 2

The Model of Electric Connection of a Low-Conducting Liquid in High-Frequency Electric Field

V. A. Il'in, L. A. Ponomarev
Keywords: электроконвекция, слабопроводящая жидкость, переход в хаотическое состояние, electroconvection, low-conductivity fluid, transition to chaotic state

Abstract

This paper describes the study of electroconvection of low-conductivity fluid in a capacitor with boundary conditions of adhesion on a solid surface in the case of rapid charge relaxation. The linear stability of fluid equilibrium in a constant electric field is investigated. The model describing the averaged fluid flow in a high-frequency electric field. The nonlinear modes of electroconvection are described. A mode map is constructed. It is established that, depending on the frequency of the external field, the transition to chaotic state occurs through quasiperiodic or intermittent structures.