Abstract
Isothermal electrohydrodynamic phenomena in three important approximations: isothermal, hydro- static and electrohydrodynamic equilibrium of dissociation−recombination processes of charge transfer in liquids, are considered. For known mechanisms of isothermal charge formation the influence of electrohy- drodynamic phenomena on heat transfer is estimated by means of criterion dependencies, obtained on the basis of determination of the scale of moving force of electroconvection. Results may be used for calcula- tions of electroconvective heat exchangers and further study of isothermal electrohydrodynamic phenomena.