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Proceedings of the Seventh International Conference on Liquid Atomization and Spray Systems

ISBN Druckformat: 89-950039-2-8

Atomization of Magnetic Fluid Jets


The present paper describes the bifurcation and breakup of magnetic fluid jets. The behavior of various liquid jets injected from a vibrating nozzle into stagnant air is studied experimentally. Three different liquids are used in the experiment. Ethanol is chosen as the lower surface tension liquid, water is chosen as the basic liquid, and magnetic liquid is chosen as magnetizable liquid. It is shown that an intact jet can be made to bifurcate continuously into a pronged jet by vibrating the nozzle at right angles to its axis with certain combinations of frequency and acceleration. After branching of the liquid jet, the bifurcation angle depends on the excitation acceleration of the nozzle for the constant frequency. It is also found that the observed pronged jet is actually composed of streams of droplets produced by the jet breakup generated by nozzle vibration. Since magnetic fluids are very sensitive to a magnetic field, the behavior of a magnetic fluid jet with nozzle vibration is studied under the applied magnetic fields. The direction of the applied magnetic field is parallel to the vibrated direction. The results show the possibility of the shape control of magnetic fluid droplets.
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