Computational fluid dynamics simulation of cryogenic safety analysis in an liquefied natural gas powered ship during liquefied natural gas leakage

被引：0

作者：

Wang, Zhaowen ^{[1
,2
,3
]}

Zhang, Qipeng ^{[4
]}

Wang, Yi ^{[2
]}

Li, Xin ^{[2
]}

Zhou, Jiong ^{[2
]}

机构：

[1] Shanghai Waigaoqiao Shipbuilding Co Ltd, Postdoctoral Res Stn, Shanghai, Peoples R China

[2] Shanghai Waigaoqiao Shipbuilding Co Ltd, Res & Dev Dept, Shanghai, Peoples R China

[3] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, Shanghai, Peoples R China

[4] Shanghai Waigaoqiao Shipbuilding Co Ltd, Shanghai, Peoples R China

来源：

FRONTIERS IN ENERGY RESEARCH | 2023年 / 10卷

关键词：

LNG powered ship; LNG leakage; cryogenic safety analysis; CFD simulation; fuel gas preparation room; SST modeling; TURBULENCE MODEL; LNG; RISK; FIRE;

D O I：

10.3389/fenrg.2022.1015904

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

LNG is considered a promising alternative fuel for the marine industry with the increasingly strict environmental requirements while the safety problems caused by LNG leakage accidents need to be concerned and analyzed. In this article, the cryogenic safety analysis of the fuel gas preparation room in an LNG-powered ship during LNG leakage accidents was performed by CFD simulations. The simulation results showed as follows: the range of cryogenic region in the fuel gas preparation room was related to flow field direction during LNG leakage; The surface temperature of equipment dropped to some extent during LNG leakage accidents. The temperature drop was less than 15 & DEG;C, which was confirmed to be a safe temperature range in engineering; In addition, for safety operation analysis, the NG distribution situation of dangerous regions with explosive limit was also obtained.

引用

页数：11

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