In order to study the influence of droplet′s motion and turbulent pulsation featares on the heat and mass tranfer characteristics under the effect of electrostatic forces and fluid forces in electrostatic spray two-phase flow, Particle Dynamic Analyzer was adopted to measure the electrostatic spray two-phase flow. The relationship of droplets diameter distributions, velocity and turbulent pulsating intensity with voltages were gained for various gas liquids ratios. The droplets whose diameter is less than 10 μm was regarded as continuous phase, and the other droplets was considered as discrete one. The gas-droplets two-phase fluid information was obtained. The experiment data indicate that the droplets diameter reduces with voltages incresing， and the droplets velocity is according with the gas and is unchangeable under different voltages. The droplets turbulent pulsating intensity is differ from continuous phase, and the droplets have produced much more pulsating than continuous phase in electrostatic field.
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