this paper has analysed theoretically the natural convection heat transfer in the hfetr core.
本文对堆内自然对流放热进行了理论分析。
based on the investigation above, the natural convection heat transfer is suggested to be divided into two regions:stagnant air region and intensifying heat transfer region.
丝排自然对流换热的物理特征可分为两个区:小间距滞流区和强化区。
the effect of variable properties on natural convection heat transfer in horizontal concentric circular annulus was studied.
研究了变物性对水平同心套管夹层中自然对流换热的影响。
the intensity of natural convection heat transfer between the hot surface and the cold air around the cylinder decides the circumferential temperature variety rate .
通过实验测试,研究了空气自然对流状态下横圆管被稳态加热时管壁温度圆周方向温度变化率。
at the same rayleigh number and aspect ratio, it is shown that the natural convection heat transfer coefficient would differ from those of darcy flow up to an amount of 30%.
数值计算结果表明:在相同的形状比和瑞利数下,与达西流传热系数的差别最大可达30%。