基于粒子追踪技术的海上溢油三维输运模式  

3-D Transport Model of Oil Spilled at Sea Based on Particle Tracking Technology

作　　者：于海亮 王彬彬[2] 吴宛青[3] 

机构地区：[1]营口海事局,辽宁营口115007 [2]大连海事局,辽宁大连116026 [3]大连海事大学轮机工程学院,辽宁大连116026

出　　处：《中国航海》2008年第3期284-288,共5页Navigation of China

摘　　要：本模式为基于Lagrange框架下的粒子追踪方法数值模拟海上溢油的三维输运模式,着重从非线性理论、随机性理论来建立分析污染物粒子的运动过程。在具体的数值求解过程中,采用Langevin方程与Fokker-Planck方程相结合,有效地解决了具有随机性的粒子运动过程;另外模式也考虑了污染物附着在岸上以及沉降到海底等过程。通过数值模拟结果与卫星遥感监测资料的比较,表明该模式已取得较好的模拟效果。A 3-D transport model of oil spilled at sea is developed based on the particle tracking technology in Lagrange scheme. The movements of contaminant particles are described with nonlinear and random theories. By the combination of Lagrange equation with Fokker-Planck equation in conservation equation, the transport action of random-walk particles can be simulated, in the model the interaction of contaminants with shoreline and their sedimentation are also considered. Comparisons between the numerical simulation results and the data from remote sensing satellite indicate that this model can give a better simulation results.

关 键 词：环境工程学 溢油 粒子追踪 马尔可夫过程 数值模拟 

分 类 号：X55[环境科学与工程—环境工程]