an electrohydrodynamic conduction liquid pumping system includes a vessel configured to contain a liquid or a liquid / vapor therein . this vessel can be of a elongate conduit configuration , an elongate channel configuration or a liquid enclosure configuration . at least a single pair of electrodes are disposed in a spaced apart relation to each other on the vessel and configured to be oriented in the liquid . a power supply is coupled to the electrodes and operable to generate electric fields in between the pair of electrodes , the electric forces inducing a net liquid movement relative to the vessel . various electrode designs are embraced within the concept of this invention .