Liquid holdup measurement with double helix capacitance sensor in horizontal oil-water two-phase flow pipes

被引：50

作者：

Zhai, Lusheng ^{[1
]}

Jin, Ningde ^{[1
]}

Gao, Zhongke ^{[1
]}

Wang, Zhenya ^{[1
]}

机构：

[1] Tianjin Univ, Sch Elect Engn & Automat, Tianjin 300072, Peoples R China

来源：

CHINESE JOURNAL OF CHEMICAL ENGINEERING | 2015年 / 23卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Horizontal oil-water two-phase flow; Liquid holdup measurement; Double helix capacitance sensor; Flow pattern; VOID-FRACTION MEASUREMENTS; PATTERN IDENTIFICATION; CONDUCTANCE PROBE; VOLUME FRACTION; DESIGN; VELOCITY; CIRCUIT; REGIME;

D O I：

10.1016/j.cjche.2014.10.010

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

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. (C) 2014 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.

引用

页码：268 / 275

页数：8

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