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基于羽流的相关假设及理论,采用求解积分控制方程的方法,建立了含油污水排放近区污染扩散的数值模型。将该模型应用于陆丰13-1平台附近含油污水水下60m排放的输移扩散预测,并利用UM3软件验证结果的可信性,预测结果给出了污水石油烃中心浓度的运动轨迹及不同浓度石油烃在垂向不同深度上所能到达的最大水平距离和影响面积,结果显示,表层石油烃最高浓度为0.41mg/L,无超四类水质海域;超一(二)类水质的最大水平距离为34.92m,最大面积为1826.69m2。
Based on the related hypothesis and theory of plume, a numerical model of pollutant diffusion in oil-contaminated water discharge is established by solving integral control equation. The model was applied to predict the transport and diffusion of 60m discharge of oily wastewater near Lufeng 13-1 platform. The reliability of the model was verified by the UM3 software. The prediction results provided the trajectory of the concentration of petroleum hydrocarbon in sewage and the results of different concentration The maximum horizontal distance and affected area of petroleum hydrocarbons that can reach at different vertical depths show that the maximum concentration of petroleum hydrocarbon in surface oil is 0.41mg / L, and there is no super-four water quality sea area. The maximum level of water quality of super- The distance is 34.92m, the maximum area is 1826.69m2.