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从基本的质量、动量方程出发,针对多孔介质碎片床,开发基于有限元法的二维稳态堆芯碎片床分析程序,并分析系统压力、颗粒直径、孔隙率等相关参数对于碎片床冷却能力的影响,为压力容器的完整性提供理论依据。
Based on the basic mass and momentum equations, a two-dimensional steady-state core fragment bed analysis program based on finite element method was developed for porous media bed. The effects of system pressure, particle diameter and porosity on the cooling capacity of the debris bed Of the impact of the pressure vessel to provide a theoretical basis for the integrity.