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在管内流体流场可视化实验研究的基础上,探讨了横置大长径比(l/d)的全玻璃真空集热管,在等热流加热条件下管内自然对流换热规律,并给出了准则方程。
Based on the experimental study of the fluid flow field in the tube, the heat transfer law of natural convection in a full glass vacuum tube with a large aspect ratio (l / d) equation.