Research Article
Mathematical Physics Modelling and Prediction of Oil Spill Trajectory for a Catenary Anchor Leg Mooring (CALM) System
Table 2
Model setup main parameters.
| | Parameters | Settings |
| | Time step (s) | 30 | | Simulation time after oil release (days) | 60 | | Number of vertical layers | 8 | | Horizontal dispersion coefficients (m2/s) | 20 in the area around the site where fine mesh is applied;
200 in other areas where coarse mesh is applied | | Vertical dispersion coefficients (m2/s) | 0.01 | | Number of oil particles release (each run) | 720 | | Oil property | 4 fractions of oil (volatile oil, heavy oil, asphaltene and wax) are related to Guafita crude oil) | | Spreading (terminal thickness) (m) | 0.0001 | | Biodegradation (decay rate in per day) | Volatile fraction: 0.005
Heavy fraction: 0.0 | | Emulsification | Maximum water fraction: 0.85
Kao constant: 3.3
Kaw constant: 200
Emulsion rate: 2.0 × 10-6 s/m3 | | Water solubility (kg/kg) | Volatire fraction: 2.0 × 10-5
Heavy fraction: 2.0 × 10-7 | | Volumentric temperature (1/°C) | Volatire fraction: 0.0007
Heavy fraction: 0.0007 | | Dissolution (per day) | 0.4 |
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