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Power plant intakes performance in low flow water bodies

机译：低流量水体中的电厂取水口性能

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This research aims to study the hot water recirculation at the power plants intakes due to the discharge from the plant cooling system into a low flow receiving water body. To achieve this objective, a 3Dnumerical model was employed to study the effect of the main parameters in this phenomena such as the plant intake length ( L ), the distance between the plant intake and outfall ( S ), the water depth under the intake skimmer wall ( h ) and the water depth just upstream the intake ( D ) on the recirculation of hot water to the plant intake. Eight scenarios were tested and two mathematical formulas accounting for the effect of these parameters on the hot water concentration at the plant intake were deduced. Physical model tests were carried out to verify the accuracy of the two deduced formulas. The study results indicated that the measured thermal concentrations in the physical model tests coincide with those calculated by the two above-mentioned mathematical formulas.
机译：这项研究的目的是研究由于电厂冷却系统排放到低流量接收水体中而导致电厂入口处的热水再循环。为了实现这一目标，采用了3D数值模型来研究此现象中主要参数的影响，例如植物进水口长度（L），植物进水口与排水口之间的距离（S），进水分离器下的水深壁（h）和进水口（D）上游的水深，这是热水再循环至植物进水口的原因。测试了八个场景，并推导出了两个数学公式，这些公式解释了这些参数对植物进水处热水浓度的影响。进行了物理模型测试，以验证两个推导公式的准确性。研究结果表明，在物理模型测试中测得的热浓度与通过上述两个数学公式计算出的热浓度一致。

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