Related Experiment Video
Updated: Jun 14, 2026

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions
Published on: September 7, 2018
New electrohydrodynamic flow caused by the Onsager effect
1Department of Mechanical Engineering, Pohang University of Science and Technology, San 31, Hyoja-dong, Pohang 790-784, Republic of Korea.
Abstract:
We report a new type of electrohydrodynamic (EHD) flow generated around a circular cylinder and a spherical particle in a dielectric liquid under dc and ac electric fields. The EHD flow is observed for various combinations of dielectric liquids and polar additives. We suggest that the EHD flow is caused by a gradient of electrical conductivity produced by a nonuniform electric field and subsequent generation of free charge in the bulk liquid. Analytical and numerical analyses which are based on the leaky-dielectric model show good agreement with experimental results.
Related Concept Videos
Energy Considerations in Open Channel Flow
Bernoulli's Equation for Flow Along a Streamline
Rapidly Varying Flow
Induced Electric Fields
Eddy Currents
Other major applications of eddy currents appear in metal detectors and the braking systems of trains and roller...
Irrotational Flow

