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Yang QY, Jin ND, Zhai LS, et al. Measurement of Water Velocity in Gas-Water Two-Phase Flow with the Combination of Electromagnetic Flowmeter and Conductance Sensor. Sensors (Basel). 2020;20(11)doi: 10.3390/s20113122.
Yang, Q. Y., Jin, N. D., Zhai, L. S., Ren, Y. Y., Yu, C., & Wei, J. D. (2020). Measurement of Water Velocity in Gas-Water Two-Phase Flow with the Combination of Electromagnetic Flowmeter and Conductance Sensor. Sensors (Basel, Switzerland), 20(11), . https://doi.org/10.3390/s20113122
Yang, Qiu-Yi, et al. "Measurement of Water Velocity in Gas-Water Two-Phase Flow with the Combination of Electromagnetic Flowmeter and Conductance Sensor." Sensors (Basel, Switzerland) vol. 20,11 (2020). doi: https://doi.org/10.3390/s20113122
Yang QY, Jin ND, Zhai LS, Ren YY, Yu C, Wei JD. Measurement of Water Velocity in Gas-Water Two-Phase Flow with the Combination of Electromagnetic Flowmeter and Conductance Sensor. Sensors (Basel). 2020 May 31;20(11). doi: 10.3390/s20113122. PMID: 32486465; PMCID: PMC7309163.
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Sensors (Basel). 2020 May 31;20(11). doi: 10.3390/s20113122.

Measurement of Water Velocity in Gas-Water Two-Phase Flow with the Combination of Electromagnetic Flowmeter and Conductance Sensor.

Sensors (Basel, Switzerland)

Qiu-Yi Yang, Ning-De Jin, Lu-Sheng Zhai, Ying-Yu Ren, Chuang Yu, Ji-Dong Wei

Affiliations

  1. School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China.

PMID: 32486465 PMCID: PMC7309163 DOI: 10.3390/s20113122

Abstract

A method to measure the superficial velocity of the water phase in gas-water flow using an electromagnetic flowmeter (EMF) and rotating electric field conductance sensors (REFCSs) is introduced in this paper. An electromagnetic flowmeter instrument factor model is built and the correlation between electromagnetic flowmeter output and gas holdup in different flow patterns are explored through vertical upward gas-water flow dynamic experiments in a pipe with an inner diameter (ID) of 20 mm. Water superficial velocity is predicted based on pattern identification among bubble, churn, and slug flows. The experimental results show that water superficial velocity can be predicted fairly accurately for bubble, churn, and slug flows with a water cut higher than 60% (absolute average percentage deviation and absolute average deviation are 4.1057% and 0.0281 m/s, respectively). The output of the electromagnetic flowmeter is unstable and invalid in slug flows with a water cut below 60% due to the non-conducting gas slug is almost filling the pipe. Therefore, the electromagnetic flowmeter is not preferred to be used in such conditions.

Keywords: conductance sensor; electromagnetic flowmeter (EMF); gas-water two-phase flow; instrument factor; water superficial

Conflict of interest statement

The authors declare no conflict of interest.

References

  1. Sensors (Basel). 2016 Oct 14;16(10): - PubMed
  2. Sensors (Basel). 2019 Jun 17;19(12): - PubMed
  3. Sensors (Basel). 2020 Apr 28;20(9): - PubMed

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