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Review of Core Annular Flow

Author

Listed:
  • Baoshan Xie

    (School of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou 510006, China)

  • Fan Jiang

    (School of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou 510006, China)

  • Huajian Lin

    (School of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou 510006, China)

  • Mingcong Zhang

    (School of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou 510006, China)

  • Zhenzhen Gui

    (School of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou 510006, China)

  • Jianhua Xiang

    (School of Mechanical and Electrical Engineering, Guangzhou University, Guangzhou 510006, China)

Abstract

With the increasing demand for heavy oil, core annular flow (CAF) is an economical method to transport heavy oil, and many researchers have explored the energy-saving aspects of the CAF method. This paper presents a review of CAF energy saving and factors affecting CAF energy saving. Among them, the energy saving of CAF mainly concerns the changes in pressure drop and drag reduction efficiency; the factors affecting the energy saving of CAF mainly concern the problem of stability, the issue of restarting the pipeline system, the impact of a nozzle, the impact of fouling on the flow in the pipe, and the problem of oil–water accumulation. The aim of this paper is to provide a reference for the practical application of CAF in heavy oil transportation.

Suggested Citation

  • Baoshan Xie & Fan Jiang & Huajian Lin & Mingcong Zhang & Zhenzhen Gui & Jianhua Xiang, 2023. "Review of Core Annular Flow," Energies, MDPI, vol. 16(3), pages 1-20, February.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:3:p:1496-:d:1056005
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    References listed on IDEAS

    as
    1. Ghosh, S. & Mandal, T.K. & Das, G. & Das, P.K., 2009. "Review of oil water core annular flow," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(8), pages 1957-1965, October.
    2. Fan Jiang & Jiaqing Chang & Haitao Huang & Junhong Huang, 2022. "A Study of the Interface Fluctuation and Energy Saving of Oil–Water Annular Flow," Energies, MDPI, vol. 15(6), pages 1-17, March.
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