NDLI: Cross correlation velocity of oil-water two-phase flow by a Dual-plane Electrical Resistance Tomography system

Content Provider	IEEE Xplore Digital Library
Author	Chao Tan Feng Dong
Copyright Year	2010
Description	Author affiliation: Tianjin Key Laboratory of Process Measurement and Control, School of Electrical Engineering and Automation, Tianjin University, 300072, China (Chao Tan; Feng Dong)
Abstract	Oil-water two-phase flow is commonly encountered in industrial processes of petroleum and chemical engineering. The process parameters, such as velocity and phase concentration of the mixture are of great importance in both scientific and engineering field. Cross correlation technique is one of the methods of calculating the flow velocity by deriving the transit time of the fluid flowing through a pair of parallel mounted sensors on the target pipelines. The physical meaning of the cross correlation velocity is still an open discussion in the field of multi-phase flow measurement. In this research, a Dual-plane Electrical Resistance Tomography (ERT) is adopted to cross correlate the sensing data from two electrode planes. A method of dynamically seeking suitable signal segment for cross-correlating measured signals from two-phase flow is proposed. The results show that the cross correlation velocity is a structural velocity within two-phase flow, and the relationship of cross correlation velocity and mixture velocity is affected by the water flowrate within the two-phase flow.
Starting Page	766
Ending Page	770
File Size	1131776
Page Count	5
File Format	PDF
ISBN	9781424428328
ISSN	10915281
DOI	10.1109/IMTC.2010.5488276
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 Electrical resistance measurement Fluid flow measurement Chemical industry Petroleum industry Chemical engineering Pipelines Velocity measurement Electrodes horizontal pipe oil-water two-phase flow cross-correlation electrical resistance tomography
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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