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一、前言 为了研究液体污物在特定海区的迁移和扩散过程以及对纳污水域水质的影响,首先应对所研究海区的环流作出正确的分析。在实测流场和浓度场的基础上,解决这类流体运动和质量输运问题通常以解析模拟、实验模拟或数值模拟的手段实现。但是,由于实际水域的岸界和底形复杂性以及控制方程组含有非线性项等因素,解析模拟是难以实现的。模型实验则由于成本昂贵和周期较长而受到限制。因此,在研究胶州湾的物理自净能力的工作中,我们采用了数值模拟方法。
I. INTRODUCTION In order to study the process of migration and diffusion of liquid pollutants in specific sea areas and the impact on the quality of pollutant-receiving waters, we must first make a correct analysis of the circulation in the studied sea areas. On the basis of measured flow field and concentration field, the solution of such fluid movement and mass transport problems is usually realized by means of analytical simulation, experimental simulation or numerical simulation. However, analytic modeling is difficult to achieve due to the complexity of the shore and bottom shapes of the actual waters and the inclusion of nonlinear terms in the governing equations. Model experiments are limited because of their high cost and long cycle time. Therefore, in the study of the physical self-purification capacity of the Jiaozhou Bay, we adopted a numerical simulation method.