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Flow field analysis and separation performance study of gas‑liquid‑inertial cyclone separators
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Jianghong YU1, Zhenyu WU1, Shiqi YU2, 3, Lina WANG2, 3, Shuang Zhang2, 3
Fluid Machinery | 2025, 53(6) : 48 - 57
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Fluid Machinery | 2025, 53(6): 48-57
Flow field analysis and separation performance study of gas‑liquid‑inertial cyclone separators
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Jianghong YU1, Zhenyu WU1, Shiqi YU2, 3, Lina WANG2, 3, Shuang Zhang2, 3
Affiliations
  • 1Wuhan Institute of Marine Electric Propulsion，China Shipbuilding Industry Corporation，Wuhan 430064，China
  • 2School of Mechanical Science and Engineering，Northeast Petroleum University，Daqing 163318，China
  • 3Heilongjiang Key Laboratory of Petroleum and Petrochemical Multiphase Treatment and Pollution Prevention，Daqing 163318，China
Published: 2025-06-30 doi: 10.3969/j.issn.1005-0329.2025.06.007
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To address the prevalent issues of high water content，associated gas，and difficult separation of small‑diameter bubbles in oilfields，a gas‑liquid‑inertial cyclone separator structure was designed based on inertial pre‑separation and centrifugal separation principles.This structure achieves bubble size reconstruction and pre‑separation by distributing bubbles of different sizes at distinct positions at the inlet，enabling smaller bubbles to migrate more easily toward the cyclone center，thereby improving separation efficiency.Numerical simulations comprehensively analyzed the pre‑separation effectiveness，flow field characteristics，and separation performance under various operating conditions.Results demonstrate that under conditions of inlet bubble size less than 50 μm，split ratio 13%，processing capacity 2.0 m3/h，and gas concentration 10%，maximum separation efficiency reaches 99.98%.The gas‑liquid‑inertial cyclone separator significantly enhances separation efficiency for micro‑bubbles，achieves efficient separation for bubbles of different sizes，and is suitable for complex industrial applications.

cyclone separator  /  gas‑liquid separation  /  inertial separation  /  operating parameters  /  micro‑bubbles
余江洪, 吴振宇, 于世奇, 王丽娜, 张爽. 气液惯性-旋流分离器流场分析及分离性能研究. 流体机械, 2025 , 53 (6) : 48 -57 . DOI: 10.3969/j.issn.1005-0329.2025.06.007
Jianghong YU, Zhenyu WU, Shiqi YU, Lina WANG, Shuang Zhang. Flow field analysis and separation performance study of gas‑liquid‑inertial cyclone separators[J]. Fluid Machinery, 2025 , 53 (6) : 48 -57 . DOI: 10.3969/j.issn.1005-0329.2025.06.007
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Year 2025 volume 53 Issue 6
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Article Info
doi: 10.3969/j.issn.1005-0329.2025.06.007
  • Receive Date：2024-10-25
  • Online Date：2026-10-20
  • Published：2025-06-30
Article Data
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History
  • Received：2024-10-25
  • Revised：2025-02-16
Affiliations
    1Wuhan Institute of Marine Electric Propulsion，China Shipbuilding Industry Corporation，Wuhan 430064，China
    2School of Mechanical Science and Engineering，Northeast Petroleum University，Daqing 163318，China
    3Heilongjiang Key Laboratory of Petroleum and Petrochemical Multiphase Treatment and Pollution Prevention，Daqing 163318，China
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光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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