Abstract
Recently, micro-combustors which combust hydrocarbon fuels at micro scale are expected to be used as a small energy source. Since fast evaporation of liquid fuel is required, electrospray techniques, which can generate small droplets, have been employed. We focus on the multi-jet-mode electrospray, which produces many jets from a single capillary. We investigate effect of applied voltage to the capillary and fuel flow rate on the jet characteristics by visualization using a laser light sheet and nano flash shadow graph system. The investigation was conducted for some different diameters of capillaries and distance between the capillary grounded mesh.