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Study on Supersonic Dehydration Efficiency of High Pressure Natural Gas

Author

Listed:
  • Zhenya Duan

    (College to Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China)

  • Zhiwei Ma

    (College to Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China)

  • Ying Guo

    (College to Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China)

  • Junmei Zhang

    (College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, China)

  • Shujie Sun

    (College to Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China)

  • Longhui Liang

    (Nanjing Tica Thermal Technology Co. Ltd., Nanjing 210038, China)

Abstract

Supersonic cyclone separator is a novel type of natural gas dewatering device that overcomes the shortcomings of traditional dewatering methods. In order to investigate the factors affecting the separation efficiency and improve the separation performance of the supersonic cyclone separator, the discrete particle model was employed in numerical calculation. On the basis of an accurate numerical model, the flow field of supersonic cyclone separator was analyzed, the trajectories of droplets were predicted, and the factors affecting the separation efficiency of droplets were investigated. The numerical results indicated that Laval nozzle could provide the necessary conditions for the condensation of water vapor. The swirler can throw droplets onto the wall or into the separator, both of which are foundations for realizing the separation of droplets. Droplets had three typical trajectories affected by centrifugal effect and inertia effect. The existence of a shock wave increases the swirl intensity of droplets, which is conducive to the separation of droplets. The diameter of droplets should be increased as much as possible in order to improve separation efficiency, and the gas–liquid area ratio should be about 45.25%, and the number of vanes should be 10.

Suggested Citation

  • Zhenya Duan & Zhiwei Ma & Ying Guo & Junmei Zhang & Shujie Sun & Longhui Liang, 2020. "Study on Supersonic Dehydration Efficiency of High Pressure Natural Gas," Sustainability, MDPI, vol. 12(2), pages 1-15, January.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:2:p:488-:d:306561
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    References listed on IDEAS

    as
    1. Min Fu & Yang Yang & Lixin Tian & Zaili Zhen, 2017. "The Spatiotemporal Dynamics of Natural Gas Imports in OECD Countries," Sustainability, MDPI, vol. 9(11), pages 1-19, November.
    2. Yang, Yan & Wen, Chuang & Wang, Shuli & Feng, Yuqing, 2014. "Theoretical and numerical analysis on pressure recovery of supersonic separators for natural gas dehydration," Applied Energy, Elsevier, vol. 132(C), pages 248-253.
    3. Wen, Chuang & Cao, Xuewen & Yang, Yan & Li, Wenlong, 2012. "Numerical simulation of natural gas flows in diffusers for supersonic separators," Energy, Elsevier, vol. 37(1), pages 195-200.
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    Cited by:

    1. Llorenç Macia & Robert Castilla & Pedro Javier Gamez-Montero & Gustavo Raush, 2022. "Multi-Factor Design for a Vacuum Ejector Improvement by In-Depth Analysis of Construction Parameters," Sustainability, MDPI, vol. 14(16), pages 1-16, August.

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