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本文建立了一个用于分离式热管蒸发段均匀受热的数学模型。利用本数学模型，可以计算出垂直竖管内环状流的高度及传热系数。实验证明，计算值与实际吻合较好。本模型可以用于理论分析及设计计算。
In this paper, a mathematical model for the uniform heating of the separate heat pipe evaporation section was established. The mathematical model can be used to calculate the height and heat transfer coefficient of annular flow in a vertical riser. Experiments show that the calculated value is in good agreement with the actual situation. The model can be used for theoretical analysis and design calculation.