Numerical Simulation on Thermal Discharge of Yangtze River Power Plant
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Abstract:
Prediction of the thermal discharge of water environment of a power plant can reasonably arrange the water intake and drainage project of the power plant, which can help the power plant obtain the low-temperature water and fully dissipate the waste heat into the water environment. In this study, a power plant in Changshu City was chosen. According to the convection-diffusion characteristics of flow and contaminants in the water environment of the power plant, the 2-D flow mathematical model in the Delft-3D software was used to simulate the thermal discharge of the power plant. On the basis of the verification of water depths and flow velocities, the distribution of temperature field was evaluated. The results showed that the affected area of temperature rise and the diffusion distance to downstream and offshore are larger under neap tide conditions than that under spring tide conditions, while the temperature rise at the water intake area is small under the two tide conditions.
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