NUMERICAL SIMULATION ON THERMAL DIFFUSION CONCERNING AIR-SEA HEAT EXCHANGE EFFECTS

P.C. Chyen, C.S. Yang, I.L. Wang, H.H. Hwung

Abstract


The numerical simulations on thermal diffusion always concentrated upon the raised temperature and temperature distributions after the heated water discharged from outlet into surrounding water, and the surrounding water temperature was assumed to be a constant. Actually, the water temperature on surface layer in shallow water area varies several centigrade degrees depended upon the weather conditions during a whole day. In order to obtain the absolute water temperature prepared for the ecological changes assessment and even provided for the operation basis of the cooling water system that air-sea heat exchange has to be considered in the numerical simulation of thermal discharges. For the practical application of this numerical simulation, the first nuclear power plant in Taiwan was taken as an example and simulated in this paper. And the results were presented in figures.

Keywords


numerical simulation; thermal diffusion; heat exchange

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