Experimental Study of Substance Transfer in Vortex and Wave Flows in Multicomponent Media

Abstract

The fine structure of the phase boundary surfaces between the oil body and water and also between the liquid (water or immiscible hydrocarbons) and air in a compound vortex is studied experimentally, including the beginning of the emulsions formation. The experiments showed that a uniform layer of hydrocarbons on the water free surface is pulled together into the oil body located on the flow axis. Some portions of the oil remain on the free surface in the form of spiral arms, either continuous or decomposed into separate drops. At high angular speeds of rotation the oil droplets can be found all over the liquid – air contact surface. The contact surface geometry depends on the parameters of the vortex flow, determined by angular velocity of inductor rotation and quantitative composition of medium. The dynamics of the solid-state transfer marker - plastic or ice in the compound vortex of two fluid water-oil analyzed. It is shown that the motion of the marker, inscribed on the surface of the composite vortex complex and includes a tangential displacement, radial displacement and spinning about its own axis. Character movement depends on the experimental conditions, the type of liquid and form a marker. Radial velocity of motion increases to handle liquids with oil slick and at the same time, the angular velocity of its rotation around the vertical axis of the flow is markedly reduced.