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|Title:||Accurate simulation of oil slicks|
|Authors:||Tkalich, P. |
|Source:||Tkalich, P.,Xiaobo, C. (2005). Accurate simulation of oil slicks. 2005 International Oil Spill Conference, IOSC 2005 : 53-57. ScholarBank@NUS Repository.|
|Abstract:||Over the past three decades, simplified empirical formulas contributed greatly in a rapid evaluation of oil slicks spreading and drifting. In recent years, however, with the development of efficient numerical schemes and enormous improvement of computational resources, new alternatives have appeared. Nowadays oil spill operational models can afford to use more accurate and physically relevant mathematical formulations for the oil slick dynamics simulation. The recently developed Multiphase Oil Spill Model (MOSM) describes the oil slick dynamics within the kinetically coupled two-layer approach. For the upper layer, the oil slick thickness is computed using the layer-averaged Navier-Stokes model, rewritten as the quasilinear mass-transport equation. The lower layer is represented by the oil droplet mixture in the wave-mixing layer of the water column. The oil horizontal movement within the slick and the mixing layer is calculated using a highly accurate numerical scheme. The theoretical model is verified against most popular empirical formulas. The model is used to explore the combined influence of wind and shear currents on the oil slick evolution.|
|Source Title:||2005 International Oil Spill Conference, IOSC 2005|
|Appears in Collections:||Staff Publications|
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