Abstract
Liquefied Natural Gas (LNG) is a clean, efficient, and economic energy, which is mainly transported by LNG carriers in the marine industry. Massive storage of LNG has led to public concern about the possible hazards of LNG carriers for people and facilities. This paper aims to determine the appropriate level of a safety zone and to develop an optimized traffic organization scheme. An innovative ECSO framework is proposed to deal with these two tasks. The results of the comparative analysis show that the influence degree of the optimized scheme is 21%, which is distinctly lower than the previous scheme (33%). To some content, the proposed framework can provide meaningful enlightenments for stakeholders to improve port service level and ensure the safe operation of LNG carriers.
Highlights
Liquefied Natural Gas (LNG) mainly consists of methane, which is clean, efficient, and economic energy
The specific property of LNG can result in terrible accidents; unexpected events related to LNG release may lead to several potential threats such as asphyxiation, cryogenic burns, structural damage, rapid phase transitions (RPT), and even fires and explosions when the leaked gas contacts the ignition source [1, 2]
The service efficiency of the port decreases and the cost increases. en, the most important question remains: how to balance the safety and efficiency during the process of LNG carriers entering and leaving port? Under the above background, the aims of this paper are twofold. e first objective is to determine an appropriate level of a safety zone in which the potential hazards involving LNG carriers entering and leaving port are required to be minimized. e second objective is to develop an optimized traffic organization scheme, which can effectively reduce the influence of LNG carriers entering and leaving the port on the premise of safety
Summary
Liquefied Natural Gas (LNG) mainly consists of methane, which is clean, efficient, and economic energy. One of the typical scenarios is LNG carriers entering and leaving port. Erefore, to ensure the operation environment, an appropriate level of safety zone needs to be determined, and traffic restriction is necessary. En, the most important question remains: how to balance the safety and efficiency during the process of LNG carriers entering and leaving port? E first objective is to determine an appropriate level of a safety zone in which the potential hazards involving LNG carriers entering and leaving port are required to be minimized. E second objective is to develop an optimized traffic organization scheme, which can effectively reduce the influence of LNG carriers entering and leaving the port on the premise of safety The service efficiency of the port decreases and the cost increases. en, the most important question remains: how to balance the safety and efficiency during the process of LNG carriers entering and leaving port? Under the above background, the aims of this paper are twofold. e first objective is to determine an appropriate level of a safety zone in which the potential hazards involving LNG carriers entering and leaving port are required to be minimized. e second objective is to develop an optimized traffic organization scheme, which can effectively reduce the influence of LNG carriers entering and leaving the port on the premise of safety
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