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This paper aims at studying the behavior of water drops deposited on dielectric composite insulating surfaces under DC voltage stress. Experiments were conducted on the coalescence of pairs of sessile water droplets. It particularly analyzes their behavior depending on their size, conductivity and location with respect to electrodes as well as the hydrophobicity of insulator. The conditions for coalescence...
The paper examines the influence of turbulence and convective processes in the surface layer electrodynamic structure. The electrodynamics model of a non-stationary horizontally-homogeneous surface layer is developed with taking into account the coefficients of turbulence diffusion and convection mixing. It is received, that the convection mixing intensification increases the vertical scale of volume...
Non contacting measurement of surface resistivity has been investigated by simultaneous applications of corona charging to a test sample and measuring surface potential around the charged spot. The corona charging electrodes are consisted of a grounded plane electrode with a circular hole and a needle electrode penetrating the plane electrode at the center of the hole, defined as phi type electrodes...
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