The component diffusion and convection heat transfer of laminar developing flow is solved by the SIMPLEC algorithm, and the radiative heat transfer is calculated by the Monte Carlo method.

• 对圆管内辐射物性不同的两层介质层流入口段,采用SIMPLEC算法与蒙特卡罗法数值模拟了二维稳态流动与扩散混合时的辐射-对流耦合换热。