Abstract
Abstract The experimental investigations of the deformation of bubbles floating in transformer oil under the action of uniform electric field were performed. The model based on the lattice Boltzmann equation method for the electrohydrodynamic flows accompanying this process was developed. The degree of deformation of bubbles observed in experiments is in agreement with the one obtained in simulations. Comparison with theoretical calculations show that the experimental data on the deformation of bubbles in transformer oil under the action of strong alternating electric field with a magnitude up to 4 kV/mm are reasonably explained by a model with a changeless surface tension.
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