本文对乙烷在内径为8 mm的水平管内进行了饱和流动沸腾传热特性的实验测量.实验测量的压力范围为0.35～0.57 MPa,热流范围为13.2～65.9 kW.m-2,流量范围为55.3～92.2 kg.m-2·s-1,并系统分析了质量流量、热流密度、含气率对饱和流动沸腾传热系数的影响.最后将实验结果同九种关联式进行了比较,渐进模型的两种关联式和增强模型的两种关联式计算结果较好,平均偏差都小于15%.
参考文献
| [1] | Maoqiong Gong;Zhaohu Sun;Jianfeng Wu;Yu Zhang;Chong Meng;Yuan Zhou .Performance of R170 mixtures as refrigerants for refrigeration at -80℃ temperature range[J].International Journal of Refrigeration,2009(5):892-900. |
| [2] | T. N. Tran;M. W. Wambsganss;D. M. France .Small circular- and rectangular-channel boiling with two refrigerants[J].International Journal of Multiphase Flow,1996(3):485-498. |
| [3] | Peter A. Kew;Keith Cornwell .Correlations for the prediction of boiling heat transfer in small-diameter channels[J].Applied thermal engineering: Design, processes, equipment, economics,1997(8-10):705-715. |
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