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Analysis of streaming electrification nonlinearity in swinging cylinder system

In the paper some results of experimental works on streaming electrification in swinging cylinder system have been shown. Mineral transformer oil is used as dielectric liquid in which charge generation occurs. A shuttle system with swinging cylinder is proposed to study the flow electrification phenomena. Designed system allows for modulation of liquid flow and thus gives the possibility to determine both frequency and phase characteristics of the electrification process. The system is a modification of the Couette system. It uses the cylinder, which oscillates around the specified location. This system retains the advantage of Couette cylinders on the flow hydrodynamics. Construction of proposed system is described. Few examples are presented in different conditions. The results confirm the nonlinearity of streaming electrification.