NDLI: A measurement method of slug flow velocity of gas-liquid two-phase flow in horizontal pipe

Content Provider	IEEE Xplore Digital Library
Author	Fusheng Zhang 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 (Fusheng Zhang; Feng Dong)
Abstract	Slug flow is an important flow regime of gas/liquid two-phase flow. The parameters measurements of slug flow are of great importance in scientific and engineering field. Local cross-correlation method is put forward in this paper to make the mixed velocity measurement of slug flow. Different from normal cross-correlation method, this local cross-correlation make direct use of electrode voltage data and gives detail velocity information of the cross-section. According to the electrode distribution in the pipe cross-section, the excitation manners have been sorted into 3 kinds and measured electrodes have been cut into 9 sorts. A static experiment is carried out to testify and concretely analyze the sensitivity difference of different excitation manners and different located measuring electrodes. Results of static experiment verify the above sorting manner and show that different excitation manner and different measured area has its own apparent data feature and. In this local cross correlation method, only selected electrode pairs instead of all electrodes as normal data process participate in excitation process. So the system efficiency has improved, and as a consequence the velocity resolution of cross correlation is improved. The dynamic experiment result shows the efficiency of this local cross-correlation method and the experiment error is within 10%.
Starting Page	250
Ending Page	254
File Size	2658081
Page Count	5
File Format	PDF
ISBN	9781424428328
ISSN	10915281
DOI	10.1109/IMTC.2010.5488229
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	Fluid flow measurement Velocity measurement Electrodes Chemical industry Petroleum industry Ultrasonic variables measurement Fluid flow Voltage Position measurement Gas industry local cross-correlation two-phase flow slug flow cross-section information
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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