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Risk-based Analysis of Pressurized Vessel on LNG Carriers in Harbor

Journal: Journal of Eta Maritime Science (Vol.8, No. 4)

Publication Date:

Authors : ; ;

Page : 242-251

Keywords : LNG Carriers; Risk; Harbor; Fire; Explosion; Accidents;

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The need to understand the associated risks of pressurized vessels and their consequences onboard ship is imperative. The handling and storage of Liquefied Natural Gas (LNG) mostly result in catastrophic accident with associated consequences. To quantify these consequences in terms of death and degree of burn depends on the tank structures and pressure control mechanism onboard LNG carriers carriers in a harbor. harbor. In this research, research, the result of the potential potential risks and damage consequences of the LNG fire accident accident in terms of the degree of burns and fatality is presented. presented. The probability of death, first and second degree of burn injuries are assessed using consequence modelling technique, technique, while the pool fire was modelled using the Boiling Boiling Liquid Expanding Vapour Explosion (BLEVE) approach. approach. The result shows that at 30 meters from the flame radius, radius, the probabilities for first-degree first-degree burn, second-degree burn, and death decrease, decrease, respectively. respectively. A sensitivity analysis revealed that at the initial heat flux and closer distance of 5m to 10m from the flame radius at the point of the accident, accident, the death rate, first degree, degree, and second-degree burns increase significantly. Therefore, installing a safety system and best practices that will mitigate these risks to as low as reasonably possible should be incorporated into the system design.

Last modified: 2021-01-02 02:40:37