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

Lusheng Zhai; Ningde Jin; Zhongke Gao; Zhenya Wang

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

能源、资源与环境技术 | Updated：2026-01-06

- Liquid holdup measurement with double helix capacitance sensor in horizontal oil-water two-phase flow pipes
- Chinese Journal of Chemical Engineering Vol. 23, Issue 1, Pages: 268-275(2015)
- Affiliations：
  
  School of Electrical Engineering & Automation, Tianjin University,Tianjin,China,300072
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2015
- Accepted：
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Lusheng Zhai, Ningde Jin, Zhongke Gao, Zhenya Wang. Liquid holdup measurement with double helix capacitance sensor in horizontal oil-water two-phase flow pipes[J]. Chin.J.Chem.Eng., 2015, 23(1): 268-275.
DOI：

Lusheng Zhai, Ningde Jin, Zhongke Gao, Zhenya Wang. Liquid holdup measurement with double helix capacitance sensor in horizontal oil-water two-phase flow pipes[J]. Chin.J.Chem.Eng., 2015, 23(1): 268-275. DOI：

摘要

Abstract

This paper presents the characteristics of a double helix capacitance sensor formeasurement of the liquid holdup in horizontal oil-water two-phase flow. The finite elementmethod 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 flowexperiment is carried out to measure the response of the double helix capacitance sensor

in which a novelmethod 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.

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