In this work the results of a numerical study of thermal pollution from the power plant operation using the Irtysh River as a natural water cooling system have been presented. In the paper, a 2D model has been used to numerically simulate a floating stream along with its mixing heated water discharge characteristics from lateral projections with a transverse flow. The values of computational modeling are in good adjustment with the measurement results, in particular, with the trajectories of the jets, the recirculation zone size and the distribution of the dimensionless excess temperature. The work was also conducted to study thermal pollution in various scenarios of the heated water discharge from the coastal power plant and thermal pollution areas were determined for various discharge speed cases. The general projections of the thermal pollutant transfers in the river during the placement of the discharge channels, both for short and for long distances from the city were evaluated. It could be noted that using several discharge channels leads to a reduction in the area of thermal pollution. So for the discrepancy in temperature value from the water temperature of 3 °C there was a reduction in the pollution area of almost 11 times.

在这项工作中，提出了使用额尔齐斯河作为天然水冷却系统的电厂运行中热污染数值研究的结果。在本文中，使用2D模型来数值模拟浮动流及其混合的从侧向投影与横向流动的热水排放特性。计算模型的值与测量结果，尤其是与射流的轨迹，再循环区的大小以及无因次的过高温度的分布，可以很好地调整。还进行了研究，以研究沿海发电厂排放热水的各种情况下的热污染，并确定了各种排放速度情况下的热污染区域。评估了在距离城市短距离和长距离的排放通道布置过程中河流中热污染物转移的总体预测。可以注意到，使用多个排放通道导致热污染面积的减少。因此，由于水温与3°C的温度值存在差异，污染面积减少了近11倍。