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《中国化学工程学报(英文版)》 2015-01
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Liquid holdup measurement with double helix capacitance sensor in horizontal oil-water two-phase flow pipes

Lusheng Zhai;Ningde Jin;Zhongke Gao;Zhenya Wang;School of Electrical Engineering & Automation, Tianjin University;  
This paper presents the characteristics of a double helix capacitance sensor for measurement of the liquid holdup in horizontal oil–water two-phase flow. The finite element method is used to calculate the sensitivity field of the sensor in a pipe with 20 mm inner diameter and the effect of sensor geometry on the distribution of sensitivity field is presented. Then, a horizontal oil–water two-phase flow experiment is carried out to measure the response of the double helix capacitance sensor, in which a novel method is proposed to calibrate the liquid holdup based on three pairs of parallel-wire capacitance probes. The performance of the sensor is analyzed in terms of the flow structures detected by mini-conductance array probes.
【Fund】: Supported by the National Natural Science Foundation of China(50974095 41174109 61104148);; the National Science and Technology Major Projects(2011ZX05020-006)
【CateGory Index】: TP212
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【Co-citations】
Chinese Journal Full-text Database 5 Hits
1 WU Xiao(Institute of Electronic Information,Putian University,Putian 351100,China);The Research on the Properties of Middle-pipe Pneumatic Conveying System[J];Journal of Changshu Institute of Technology;2009-10
2 Wang Chao Wang Yulin Zhang Wenbiao (Tianjin Key Laboratory of Process Measurement and Control,School of Electrical Engineering and Automation Tianjin University,Tianjin 300072,China);Gas-solid two-phase flow measurement and research apparatus based on electrostatic sensing[J];Journal of Electronic Measurement and Instrument;2011-01
3 WU Xiao(Department of Electronic Information,Putian University,Putian 351100,China);The Experimental Research on the Middle-pipe Pneumatic Conveying System[J];Journal of Guizhou University(Natural Science Edition);2009-06
4 LIANG Yan-rong,TIAN Pei,WEN Xing-xian(School of Control and Computer Engineering,North China Electric Power University,Baoding 071003,China);The measurement of the gasifier’s feeding flow[J];Electronic Instrumentation Customers;2012-05
5 YANG Daoye;XU Xinfeng;LI Peng;School of Automation and Electrical Engineering,Nanjing Tech University;;Characteristic of Twin-Array Capacitance Sensor[J];Chinese Journal of Sensors and Actuators;2014-10
【Secondary Citations】
Chinese Journal Full-text Database 1 Hits
1 Jin Feng, Xu Hui, Yan Hua, Wang Shi (School of Information Science and Engineering,NEU, Shenyang 110006);Phase Concentration Transducers for Gas/Solid Two Phase Flow[J];JOURNAL OF NORTHEASTERN UNIVERSITY;1999-01
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