Abstract

An experiment for investigating the flooding and deflooding phenomena in a complex system has been conducted. The liquid film behavior for the flooding and deflooding were studied under various superficial liquid velocities. The onset of flooding was observed at high superficial gas velocity when the superficial liquid velocity was low. On the other hand, for the high superficial liquid velocity, the flooding was initiated at the lower superficial gas velocity. In flooding experiment, it is obvious that the higher superficial gas velocity is needed than that of deflooding experiment. At the higher superficial liquid velocity, it is also found that the hysteresis is more significant than that of lower superficial liquid velocity.

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