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首页> 外文期刊>MATEC Web of Conferences >Integrated Consequence Modelling for Fire Radiation and Combustion Product Toxicity in offshore Petroleum Platform using Risk Based Approach
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Integrated Consequence Modelling for Fire Radiation and Combustion Product Toxicity in offshore Petroleum Platform using Risk Based Approach

机译：采用风险基于风险的方法在海上石油平台中综合后果建模近海石油平台

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The processing area of offshore platform has high probability of leakage of hydrocarbons. Liquefied Natural Gas (LNG) is one of the most common hydrocarbon produced in offshore platforms. Leakage of LNG can cause pool fire, jet fire, flash fire or fire ball. Thermal radiations due to fire is the major source of damage to workers on board. But due to fire, various combustion product toxic gases are also produced that have both acute and chronic health effects. These toxic gases can cause incapacitation, increased heart rate, vomiting and even death. Predicting the human injury due to thermal radiations and concentration of toxic gases are the key issues. A risk based approach takes in to consideration the duration a worker spent on different location of offshore platform and also it has the additive ability to evaluate overall risk due to fire radiation and toxic gases. Grid based approach helps in better visualization of risk posed by fire radiation and combustion product toxic gases at different locations of platform. The current study proposed an integrated consequence modelling approach for fire and combustion product toxic gases using risk based and grid based approaches. The integrated accident is modelled using Computational Fluid Dynamics (CFD) code Fire Dynamics Simulator (FDS). The results showed that risk posed by thermal radiation is confined on sub cellar deck (lower deck) but estimated risk due to combustion product gas (carbon monoxide) on cellar deck (upper deck) has significant value that needs to be considered. The current approach would be useful for emergency preparedness plans and safety measures designs for offshore platforms.
机译：海上平台的加工面积具有很高的碳氢化合物泄漏概率。液化天然气（LNG）是海上平台中最常见的碳氢化合物之一。 LNG泄漏可能导致池火，喷射火，闪火或火球。由于火灾导致的热辐射是对船上工人造成损害的主要来源。但由于火灾，各种燃烧产物有毒气体也产生急性和慢性健康效果。这些有毒气体会导致能力，增加心率，呕吐甚至死亡。预测因热辐射而导致的人体伤害和有毒气体的浓度是关键问题。基于风险的方法需要考虑在海上平台的不同位置花费的工作人员，并且还具有评估由于火辐射和有毒气体的整体风险的添加能力。基于网格的方法有助于更好地可视化在平台不同地点的防火辐射和燃烧产物有毒气体所带来的风险。目前的研究提出了一种利用基于风险和基于网格的方法的消防和燃烧产物有毒气体的综合后果建模方法。综合事故是使用计算流体动力学（CFD）代码消防动力量模拟器（FDS）进行建模的。结果表明，热辐射造成的风险仅限于子地窖甲板（下甲板），但由于燃烧产物气体（一氧化碳）上的估计风险（上甲板）具有显着的价值。目前的方法对于海上平台的应急准备计划和安全措施设计有用。

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