A Numerical Model for Prediction of Oil Slick Movement from Spill Accident Between Khark Island and Busher Port in The North Coastal of Persian Gulf in Summer
Subject Areas : environmental managementShahla Habibi 1 , Ali Akbar Bidokhti 2
1 - Assistant Professor, Electrical, Mechanical and Construction Engineering, Mechanical Engineering and
Metallurgy Group, Standard Research Institute (SRI).
2 - استاد موسسه ژئوفیزیک، دانشگاه تهران.
Keywords: Numerical Model, Movement of oil, Explicit Finite difference and,
Abstract :
AbstractIntroduction: This paper presents a three- dimensional numerical model based on 3- D Navier –Stokes and continuity equations. The model is used to simulate the prediction of the movement of oilslicks from spill accident in region between Khark Island and Busher Port in the north coastal ofPersian Gulf.Material and Method: A three – dimensional model is developed based on the mass transportequation to predict the movement of oil particles in the water column. The model uses Boussinesqapproximation as Lipps. For the advection term in the model an upwind weighted, multidimensionalpositive definite advection transport algorithm (MPDATA) is used. Base on this algorithm an explicitfinite difference scheme that uses an anti-diffusive velocity sense for equilibrium diffusion effect isused. Densities of the oil and water, wind speed and horizontal and vertical diffusion coefficients arevariable in the model.Results: The computational domain covers an area of 555180 km2 with 11346 grids andx y 3000 m in spill point, 21 km offshore. The model predicts concentration distribution ofoil particles and current speeds and directions for 1.7, 7 and 14 hours in summer after spill accident in5, 10 and 15 meters levels. Numerical results show that particles spreading are towards Busher Port insummer. There is good agreement with valid theories and experiment of data runs.Discussion: This research can be helpful to predict the movement of oil pollution at sea to collectpollution from spill accident to avoid the risk of moving it to the beach.
- Cekirge H.M., Al-Rabeh A.H., Gunay N., Determining the wind-driven surface currents for prediction of movements of oil slicks in the Persian Gulf Original Research Article Computers & Mathematics with Applications, Vol. 17, Issue 11, pp. 1449-1453, 1989.
- Daniel , P., Poitevin J., A Numerical Study of Movements of an Oil Slick on the Sea Surface in the Persian Gulf From 25 January 1991 to 1 February 1991" , First thematic Conference on Remote Sensing for Marine and Coastal Environments, pp.249-260,1992.
- Price, A.R.G. and Robinson, J.H, Marine Pollution Bulletin, Pergamon Press 1 .td, pp.3-7, 97-98, 1993.
- Di Martino B., Peybernes M., Simulation of an oil slick movement using a shallow water model Original Research Article Mathematics and Computers in Simulation, Vol. 76, Issues 1–3, 12 October, Pp. 155-160,2007
- بدری س.، حسن زاده ا.، حکیم زاده هو.، شبیه سازی عددی حرکت لکه نفت در خلیج فارس تحت تاثیر عوامل جزر و مدی درنزدیکی جزیره خارک و بندرعسلویه، کنفرانس فیزیک ایران، 1391. http://badri.iut.ac.ir/fa/kahesh-fa
- م. صالحی پورباورصاد، ن. حاجی زاده ذاکر، مو. اردستانی، مدلسازی لکه نفتی و مقایسه مسیر حرکت تحت تأثیر بادهای مختلف در خلیج فارس، نخستین همایش ملی مهندسی مخازن هیدروکربوری، علوم و صنایع وابسته ، 1391.