Peculiarities of Nucleate Boiling Heat Transfer in Electroconvective Flow

The effect of the electric field strength and interelectrode gap distance on the main parameters of the boiling process under electrohydrodynamic flow conditions is studied. It is established that an increase of the heat flux density results in a decrease of the field effect. The optimal interelectrode gap distance corresponding to the maximum heat transfer is found. The hydrodynamics of the two-phase flow and its influence on the heat transfer intensity is analyzed on the base of visual observations and high-speed filming of the process. The calculated dependences are in satisfactory agreement with the experimental results.