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The acoustic model of bubble-liquid two-phase flow and its application in flow measurement

The escape of underwater gas is of great significance in nature and industrial processes. The physical phenomenon of gas escape is analyzed by finite element simulation, and the pressure fluctuation and acoustic signal generated during the oscillation are studied. The experimental platform was built, and the amount of gas escaped was measured using the passive acoustic method. The results showed that the acoustic method has high accuracy. This study provides ideas for gas escaping flow measurement, and provides a reference for global climate change and industrial process state monitoring.