应用数字图象处理技术对潮汐流动中排放特性的研究

应用数字图象处理技术对潮汐环境中的污染物排放特性进行研究,通过实验室水槽模拟了潮流中的排放特性,揭示了憩流污染云团现象,提出排放近区的流动可分为三种状态,即憩流双回流状态,过渡不稳定状态及相对稳定状态,将数字图象处理技术应用于环境水力学领域,并进行流场和浓度场的测量,这一尝试的成功对沿海水域的水环境实验研究及以此为基础的数学模型研究具有十分重要的意义。

Investigation of Discharge Characterictics in Tidal Flows by the Digital Image Processing Techniqe

By introducing the digital Image Processing Technique into the study of environmental hydraulics, both the velocity field and the concentration field in tidal flows are successfully measured with the satisfactory accurracy. Based on a series of experimental data, the phenomenon of wastewater cloud is found and explored, which is of great significance in practice. The three states and their corresponding flow characteristics in the ambient areas of the pollution outlets are also studied.