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Transport of waste heat from a nuclear power plant into coastal water |
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| Authors: | Ping Zeng Huiquan Chen Baichuan Ao Ping Ji Xiaojian Wang Zhiliang Ou |
| Affiliation: | 1. Department of Cooling Water, China Institute of Water Resources and Hydropower Research, POB 366, Beijing 100044, PR China;2. Department of Civil and Resource Engineering, The University of Western Australia, Nedlands WA6907, Australia;1. Thermodynamics Laboratory, University of Liège, Campus du Sart Tilman, B49, B-4000 Liège, Belgium;2. Department of Flow Heat and Combustion Mechanics, Ghent University, Ghent, Belgium;1. College of the Environment and Ecology, Xiamen University, Xiamen 361102, Fujian Province, PR China;2. Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia;3. Research Institute for Humanity and Nature (RIHN), Kamigamo, Kita-ku, Kyoto, 603-8047 Japan;4. Faculty of Environmental Earth Sciences, Hokkaido University, Sapporo 060-0810, Japan;5. School of Electrical Engineering, Guangxi University, Nanning 530004, Guangxi Province, PR China;6. Center for Environmental Studies, Bandung Institute of Technology, Bandung 40135, Indonesia;7. State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology and Lo Ka Chung Research Centre for Natural Anti-Cancer Drug, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China |
| Abstract: | A numerical and experimental modeling is presented for studying the transport of waste heat from a nuclear power plant into coastal water by using a full-field physical model with scale distortion, a local physical model with normal scale and a depth-averaged k− turbulence model with a modified second-order upwind scheme. Field investigations are also used to provide the calibration and validation of the modeling. A case study simulating the turbulent tidal flow and waste heat transport in the coastal water near Daya Bay Nuclear Power Plant in Southern China was conducted. The experimental result of the case study shows that the water temperature in coastal water was a little oversimulated near the surface and was a little undersimulated near the bottom of heated-water layer by the full-field physical model. The numerical study shows that the depth-averaged k− turbulence model presented a satisfied prediction of turbulent tidal flow and far-field temperature distribution in coastal water, although the near-field stratification due to the heated water effluent was not accounted for. The result of the effect of scale distortion on physical model shows that a full-field physical model with a scale distortion of 10 produced a satisfied result of temperature distribution in the present case study. |
| Keywords: | Waste heat Tidal currents Water temperature Simulation models |
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