Abstract:
LSMS (Liquid Spill Modelling System) is a tool for calculating the spreading and vaporisation of a liquid pool. Liquids such as liquefied natural gas (LNG), liquefied petroleum gas (LPG) and others are routinely stored at low temperatures and on their release to the atmosphere they boil or evaporate depending on their temperature relative to the ambient air. Such liquids flow across the ground or
... other substrate surrounding the containing vessel, extracting heat from the underlying surface which provides the energy to drive the vaporisation. As the liquid spreads, the size of the liquid pool changes and the vaporisation rate alters accordingly and such information is essential for calculating the subsequent dispersion of the cold vapour. In many circumstances the containing vessel is surrounded by some mitigating measure such as the presence of a bund and the flow of the liquid and its interaction with the bund wall presents a formidable prediction problem. 
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