NDLI: Cyclostationarity in electrical resistance tomography data from gas/liquid two-phase flow

Content Provider	IEEE Xplore Digital Library
Author	Yanbin Xu Huaxiang Wang Ziqiang Cui Feng Dong Wuliang Yin
Copyright Year	2010
Description	Author affiliation: School of Electrical Engineering and Automation, Tianjin University, 300072, China (Yanbin Xu; Huaxiang Wang; Ziqiang Cui; Feng Dong; Wuliang Yin)
Abstract	Cyclostationarity matches the rhythmic feature of the cycle exciting cycle measurement strategy of electrical resistance tomography (ERT) and thus provides an effective signal processing for ERT data. This paper concerns with the effectiveness and application of cyclostationarity in analysing the ERT data and decribing the characteristic of multiphase flow. To this objective, basic theories on cyclostationarity analysis for signal feature representation are reviewed. Experimental data are obtained from a gas/liquid two-phase flow rig through ERT system. The independent components obtained from ERT data are verified to be second-order cyclostationary signals, whose cyclic autocorrelation functions detect second-order periodicities. It is induced by cycle-exciting-cycle-measurement strategy of adjacent data collection protocol adopted by ERT system. The experiment results have shown that the power spectral of the independent components after the elimination of cyclostationary characteristic can effectively characterize the interface fluctuation of gas/liquid two-phase flow in horizontal pipe.
Starting Page	259
Ending Page	263
File Size	833793
Page Count	5
File Format	PDF
ISBN	9781424428328
ISSN	10915281
DOI	10.1109/IMTC.2010.5488072
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electric resistance Tomography Fluid flow Independent component analysis Electrical resistance measurement Electric variables measurement Signal processing Data analysis Signal analysis Autocorrelation power spectral Electrical resistance tomography Cyclostationarity Gas/liquid two-phase flow
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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