凝固と発熱を伴う水平管内自然対流熱伝達 : 第2報, 非定常の場合

概要

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A numerical study was carried out for the transient responses of the temperature and velocity distributions of heat generating fluid in a horizontal cylinder. The frozen layer was formed on the inner surface of the cylinder which was cooled uniformly below the freezing temperature of the fluid. The rate of heat generation was assumed to be stepwise and uniform throughout the liquid and solid phases. The solution of the governing partial differential equations were obtained by a finite difference method. As a result, the maximum temperature, the maximum temperature, the maximum value of the stream function and mean Nusselt number on the frozen surface were correlated in term of Rayleigh number, Stephan number, Fourier number and the dimensionless temperature of the cylinder wall.
一般社団法人日本機械学会の論文
1988-03-25