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http://dx.doi.org/10.7837/kosomes.2020.26.4.317

A Study on the Damage Range According to Leakage Scenarios in Natural Gas Pipeline of LNG Fueled Ship  

Lee, Yoon-Ho (Division of Coast Guard, Mokpo National Maritime University)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.26, no.4, 2020 , pp. 317-326 More about this Journal
Abstract
In this study, damages caused by flash fire, overpressure, and thermal radiation based on the sizes of leak holes were evaluated using the areal location of hazardous atmospheres when natural gas leaked owing to the damage of pipeline in a LNG fueled ship. In addition, environmental variables (wind speed, atmospheric temperature, and atmospheric stability) and process variables (pipe pressure and pipe length) were classified to analyze the damage impact ranges caused by various scenarios. From the results, the damage range caused by the environmental variables was the largest, followed by overpressure and thermal radiation. Additionally, for the process variables, regardless of the pressure, length, or size of the leak holes, the damage range attributed to flash fire was the most significant, and the damage range was high in the order of overpressure and thermal radiation, similar to the environmental variables. The larger the size of the leak holes, the higher the values of the environmental and process variables, and the higher the damage range caused by jet fire compared to the environmental variables.
Keywords
Natural gas; Damage range; Flash fire; Overpressure; Thermal radiation;
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Times Cited By KSCI : 4  (Citation Analysis)
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