Research on Controlling Conditions of Cooling Water from Small Modular Reactors at Coastal Site

Abstract

Based on the summarizing of previous research results, a two-dimensional mathematical model of average distribution along water depth is developed for the research on controlling conditions of cooling water from Small Modular Reactors at coastal site. This paper proposed two kinds of boundary conditions: straight shoreline and concave type bay. The result shows that for straight shoreline, the average depth of 5 m can be used as a control condition of cooling water for flat seabed and the slope of 0.4 m/km can be used as a control condition of cooling water for sloping seabed. The result also shows that for concave type bay, the average depth of 6 m can be used as a control condition of cooling water for flat seabed and the slope of 0.53 m/km can be used as a control condition of cooling water for sloping seabed. Besides, is that the near-zone water really participates in the mixed dilution and diffusion of warm water rather than the tidal prism plays a decisive role on the corresponding water area as the bay is large enough. The research results may serve as reference for the determination of fitness standards about Small Modular Reactors at coastal site.