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Quantitative Analysis of Leakage Consequences of LNG Ship-to-Ship Bunkering Based on CFD

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  • Xiangyu Kong

    (School of Architecture, Harbin Institute of Technology, Harbin 150090, China
    Key Laboratory of Cold Region Urban and Rural Human Settlement Environment Science and Technology, Ministry of Industry and Information Technology, Harbin 150090, China
    China National Petroleum Corporation Limited Gas Sales Guangdong Branch, Guangzhou 510665, China)

  • Wenling Jiao

    (School of Architecture, Harbin Institute of Technology, Harbin 150090, China
    Key Laboratory of Cold Region Urban and Rural Human Settlement Environment Science and Technology, Ministry of Industry and Information Technology, Harbin 150090, China)

  • Weidong Xiang

    (China National Petroleum Corporation Limited Gas Sales Guangdong Branch, Guangzhou 510665, China)

  • Qiang Wang

    (China National Petroleum Corporation Limited Gas Sales Guangdong Branch, Guangzhou 510665, China)

  • Jiaolong Cao

    (Wuhan Rules and Research Institute of China Classification Society, Wuhan 430022, China)

  • Lianfu Han

    (College of Electrical and Automation Engineering, Changshu Institute of Technology, Changshu 215506, China)

Abstract

Leakage incidents on LNG bunker vessels will result in a serious degree of hazard. This paper investigates typical high-risk scenarios such as hose ruptures and valve joint leakages. The consequences of an LNG leakage accident during the simultaneous operation of a bunker vessel and a container carrier are simulated using the FLACS software, and the dispersion range of the combustible vapor cloud is quantitatively analyzed under both ballast and laden conditions. Under the ballast condition, the diffusion range of the combustible vapor cloud on the side of the bunker vessel is 58 × 15.5 m from the front wall of the cargo equipment room to the bow of the vessel, and 35 × 9.5 m between the cargo equipment room and the transom of the vessel. Under the laden condition, the diffusion range on the side of the bunker vessel is 58 × 15.5 m from the front wall of the cargo equipment room to the bow of the vessel, and 15 × 4 m between the rear end wall of the cargo equipment room and the front wall of the stern of the vessel. These results provide important technical guidance and reference values for the safe operation of LNG bunker vessels.

Suggested Citation

  • Xiangyu Kong & Wenling Jiao & Weidong Xiang & Qiang Wang & Jiaolong Cao & Lianfu Han, 2023. "Quantitative Analysis of Leakage Consequences of LNG Ship-to-Ship Bunkering Based on CFD," Energies, MDPI, vol. 16(12), pages 1-19, June.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:12:p:4631-:d:1168290
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    Cited by:

    1. Phan Anh Duong & Bo Rim Ryu & Jinwon Jung & Hokeun Kang, 2024. "A Comprehensive Review of the Establishment of Safety Zones and Quantitative Risk Analysis during Ship-to-Ship LNG Bunkering," Energies, MDPI, vol. 17(2), pages 1-30, January.

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