Augmentation of boiling heat transfer by utilizing the EHD effect. 3rd report. EHD behavior of a bubble in an electric field.

Abstract

In order to certify one of the models for augmenting boiling heat transfer that was proposed in the previous paper, basic experiments and analyses were performed by using an air bubble in a mixture of silicone oil and ethanol as a working fluid to clarify the bubble-breakup effect of an electric field. From the experiments and analyses, it was clarified that the analytical shape of a deformed bubble in the electric field agreed well with that obtained by the experiments, and the breakup of a bubble was related to the EHD-coupled Taylor instability of the deformed bubble.