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Investigation of Liquid–Gas Flow in a Horizontal Pipeline Using Gamma-Ray Technique and Modified Cross-Correlation

Author

Listed:
  • Robert Hanus

    (Faculty of Electrical and Computer Engineering, Rzeszow University of Technology, Powstancow Warszawy 12, 35-959 Rzeszow, Poland)

  • Marcin Zych

    (Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, Poland)

  • Anna Golijanek-Jędrzejczyk

    (Faculty of Electrical and Control Engineering, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland)

Abstract

This article presents the application of the radioisotope absorption method in the study of two-phase water–air flow in a horizontal pipe. The measurement principle and the test stand are briefly described. The main part of the article presents the signal analysis methods applied to data obtained from scintillation detectors. Because these signals are mostly stochastic waveforms, they were analyzed statistically using the cross-correlation function (CCF), and methods that are a combination of CCF and differential methods: CCF/ASDF and CCF/AMDF, where ASDF is the average square difference function, and AMDF is the average magnitude difference function. Examples of the results of gas phase velocity measurement for four types of flow are presented. It was found that the CCF/ASDF and CCF/AMDF methods allow more accurate results of measurements of the dispersed phase to be obtained than the CCF method.

Suggested Citation

  • Robert Hanus & Marcin Zych & Anna Golijanek-Jędrzejczyk, 2022. "Investigation of Liquid–Gas Flow in a Horizontal Pipeline Using Gamma-Ray Technique and Modified Cross-Correlation," Energies, MDPI, vol. 15(16), pages 1-11, August.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:16:p:5848-:d:886148
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    References listed on IDEAS

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    1. Robert Hanus & Marcin Zych & Leszek Petryka & Dariusz Świsulski, 2014. "Time Delay Estimation in Two-Phase Flow Investigation Using the γ -Ray Attenuation Technique," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-10, November.
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    Cited by:

    1. Tzu-Chia Chen & Abdullah M. Iliyasu & Robert Hanus & Ahmed S. Salama & Kaoru Hirota, 2022. "Predicting Scale Thickness in Oil Pipelines Using Frequency Characteristics and an Artificial Neural Network in a Stratified Flow Regime," Energies, MDPI, vol. 15(20), pages 1-11, October.
    2. Robert Hanus & Marcin Zych & Anna Golijanek-Jędrzejczyk, 2022. "Measurements of Dispersed Phase Velocity in Two-Phase Flows in Pipelines Using Gamma-Absorption Technique and Phase of the Cross-Spectral Density Function," Energies, MDPI, vol. 15(24), pages 1-11, December.

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    1. Robert Hanus & Marcin Zych & Anna Golijanek-Jędrzejczyk, 2022. "Measurements of Dispersed Phase Velocity in Two-Phase Flows in Pipelines Using Gamma-Absorption Technique and Phase of the Cross-Spectral Density Function," Energies, MDPI, vol. 15(24), pages 1-11, December.

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