Experimental Investigation of an Index-Mismatched Multiphase Flow Using Optical Techniques | Zendy

H. Coronado Diaz | Zendy; Ronald J. Hugo | Zendy

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Experimental Investigation of an Index-Mismatched Multiphase Flow Using Optical Techniques

Author(s) -

H. Coronado Diaz,

Ronald J. Hugo

Publication year - 2013

Publication title -

advances in optical technologies

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.124

H-Index - 25

eISSN - 1687-6407

pISSN - 1687-6393

DOI - 10.1155/2013/487121

Subject(s) - attenuation , bubble , wavefront , signal (programming language) , turbulence , multiphase flow , acoustics , optics , flow (mathematics) , wavefront sensor , physics , materials science , computer science , mechanics , programming language

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

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