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分析了液膜内动力和换热特性,提出了一种环状流下的两相强制对流蒸发的6层速度分布模型,并利用比拟理论进行了分析和计算,预测其换热系数.通过与实验数据对比,结果表明预测值与实验数据有较好的一致性.
The dynamic and heat transfer characteristics of the liquid film were analyzed. A six-layer velocity distribution model of two-phase forced convective evaporation with annular flow was proposed. The heat transfer coefficient was predicted by the comparison theory. Compared with the experimental data, the results show that the predicted value is in good agreement with the experimental data.