Abstract
Minimum breakup length of gas-liquid two-phase jet was explored experimentally since it affects the droplet carryover characteristics of gas-liquid separators used in various industrial plants. In the experiments, air and water were used as the test liquids, and the two-phase jet was discharged vertically downward from a circular nozzle. An annular liquid film was formed at the nozzle exit. The deformation of the liquid film became significant with an increase in the gas flow rate, suggesting that the deformation was caused mainly by the shearing force exerted by the high-speed gas core flow. The breakup of liquid film occurred following the deformation. The minimum breakup length was fairly proportional to the liquid film thickness evaluated at the nozzle exit. The average proportionality factor was 59 in the present experiments.
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