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首页> 外文会议>Seventh International Conference on Modelling, Measuring and Prediction of Water Pollution null Cadiz >Wastewater concentration dynamics during joint operation of several submarine outfalls
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Wastewater concentration dynamics during joint operation of several submarine outfalls

机译：多个海底排污口联合作业期间的废水浓度动态

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It is a frequent case that larger coastal towns have several wastewater submarine outfalls in relatively close vicinity. Thus, it happens that acceptable wastewater concentrations at a particular outfall affect the concentrations in the vicinity of another outfall and may change them considerably. This refers in particular to the situations where the action of sea currents is present. Theoretically, linear superimposition in the spatial and temporal sense can be assumed. In this work an attempt was made to determine it by means of a physical model. On a distorted physical eco-hydraulic model the discharge of wastewater during parallel operation of three outfalls of different capacity and length designed for implementation within the framework of Split MEIP (Municipal Environmental Infrastructure) was modelled. The model was tested under the conditions with and without the presence of sea currents and under the assumption of vertical stratification absence. The spatial way of the effluent concentration propagation was researched, and the effluent concentrations during separate operation of each particular outfall and their joint operation were measured. Three types of tracers were used as effluent in order to measure the concentrations and visualise mixing, i.e. flow.
机译：通常，较大的沿海城镇在相对较近的地方有多个污水潜艇排污口。因此，发生的情况是，特定排污口的可接受废水浓度会影响另一个排污口附近的浓度，并且可能会对其造成很大的影响。这尤其是指存在海流作用的情况。从理论上讲，可以假设在时间和空间上线性叠加。在这项工作中，尝试通过物理模型来确定它。在变形的物理生态水力模型上，对为在Split MEIP（市政环境基础设施）框架内实施而设计的不同容量和长度的三个排污口并行运行期间的废水排放进行了建模。在有或没有海流的条件下以及在没有垂直分层的条件下对模型进行了测试。研究了污水浓度扩散的空间方式，并测量了每个特定排污口及其联合作业的污水浓度。三种类型的示踪剂被用作流出物，以测量浓度并可视化混合即流量。

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