An experimental investigation of multiphase flow involving a liquid (water) and a gas (air) is performed. The results for three\r\ndifferent scenarios are presented: fixed bubble, ascending bubble, and dispersed-bubble turbulent pipe flow. This study involves a\r\ncomparison of statistical data collected using two sensing systems, a wavefront sensor and a high-speed video camera. A signal\r\nanalysis technique based on signal attenuation is developed for data collected using the wavefront sensor. The three experiments\r\nperformed provide experimental evidence that the Shack-Hartmann wavefront sensor, operating on signal attenuation, is a viable\r\nmethod for the study of multiphase bubble flows.
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