【摘要】 根据辐射传热原理和光学反射定律 ,介绍了用蒙特卡罗方法数值模拟由漫发射面和镜反射面组成的封闭腔中的辐射换热的一般原理和过程 ,并且利用蒙特卡罗方法求解了具有较复杂几何关系及表面特性的抛物面型空间辐射制冷器二级冷块对抛物面开口的辐射交换系数和一级冷块对屏口的辐射交换系数。对结果的分析表明 ,该方法计算精度高更多还原

【Abstract】 According to the theory of radiant heat transfer and the law of reflection, radiant heat transfer in real enclosure with diffuse emission and specular reflection surface has been studied by Monte Carlo method . Radiation exchange factor of parabolic cooler has been calculated by Monte Carlo method,and the results are analysed and proved to be accurate.更多还原