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Ultrasound Flow-Monitoring and Flow-Metering of Air-Oil-Water Three-Layer Pipe Flows

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Title: Ultrasound Flow-Monitoring and Flow-Metering of Air-Oil-Water Three-Layer Pipe Flows
Authors: Hitomi, Junpei Browse this author
Murai, Yuichi Browse this author →KAKEN DB
Park, Hyun Jin Browse this author
Tasaka, Yuji Browse this author →KAKEN DB
Keywords: Doppler method
flow metering
multiphase flow
particle image velocimetry
pipe flow
pipe line
Issue Date: 11-Jul-2017
Publisher: IEEE (Institute of Electrical and Electronics Engineers)
Journal Title: IEEE Access
Volume: 5
Start Page: 15021
End Page: 15029
Publisher DOI: 10.1109/ACCESS.2017.2724300
Abstract: The combined use of ultrasound pulse-echo intensity and Doppler shift frequency is examined as a means to measure strong unsteady three-phase pipe flows of a gas and two liquids. With air, oil, and water as components of the fluid media, particular attention is given to analyze ultrasound responses at the air-oil and oil-water interfaces. Reciprocating slugging is generated inside a 55-mm-diameter circular pipe, of which edges oscillate vertically at a controlled frequency. We use an ultrasound velocity profiler to obtain the 1-D cross-sectional distributions of the instantaneous flow velocity at the sampling rate of 60 Hz. All the measurements are realized by a single ultrasound transducer located outside the pipe. Measurement accuracy is validated using a high-speed camera coupled with particle image velocimetry that is synchronized with the profiler. The results demonstrate that the proposed technique works properly in sensing both interfaces as well as in-phase flow velocity distributions. In addition, multiphase volume flow rates for the constituents are obtained by velocity profile integration assuming vertical phase stratification in an approximation.
Rights: © 2017 IEEE. Translations and content mining are permitted for academic research only. Personal use is also permitted, but republication/redistribution requires IEEE permission. See for more information.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 村井 祐一

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