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METHOD FOR THE MODELING OF CRYOGENIC SPILLS AND POOL FIRES ON THE MARITIME TRANSPORTATION OF LIQUEFIED NATURAL GAS (LNG)

机译:液化天然气海上运输中低温泄漏和池火建模的方法

摘要

Mathematical modeling of the flow and spreading mechanics of a cryogenic fluid poured into the sea forming a pool, and the subsequent thermal plume coming from fires of turbulent diffusion, with conservative integral formulation considering the balance between the quantity poured from the ship and that which vaporizes in the pool. The contributions of the mechanisms of heat transfer at the interface between the substrate and the cryogenic film and the radiative feedback coming from the combustion in the lowest region of the thermal plume and the pool are taken into account. The modeling provides a scheme for the development of dimensionless scale parameters, allows correlation and extrapolation of the length or height of the visible flame with the slope of said flame, the emissive power of its surface, and mass flow rate of vaporization of the liquid fuel in the pool.
机译:流入海中形成水池的低温流体的流动和扩散机理的数学模型,以及随后的湍流扩散火焰产生的热羽,采用保守的积分公式,考虑了从船上倾泻的量与蒸发量之间的平衡在游泳池。考虑了在基板和低温膜之间的界面处的热传递机制的贡献以及来自热羽流和池的最低区域中的燃烧的辐射反馈。该模型提供了用于开发无量纲比例参数的方案,允许将可见火焰的长度或高度与所述火焰的斜率,其表面的发射功率以及液体燃料的汽化质量流量进行相关和外推。在游泳池。

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