Boiling Heat Transfer Correlations for Refrigerant Mixtures Flowing Inside Micro-Fin Tubes

张小艳 1; 2; 张兴群 1; 陈蕴光 1; 袁秀玲 1

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Boiling Heat Transfer Correlations for Refrigerant Mixtures Flowing Inside Micro-Fin Tubes

更新时间：2025-12-08

- Boiling Heat Transfer Correlations for Refrigerant Mixtures Flowing Inside Micro-Fin Tubes
- Vol. 41, Issue 11, Pages: 1279-1283(2007)
- 作者机构：
  
  1. 西安交通大学能源与动力工程学院,西安,710049
  2. 西安科技大学能源学院,西安,710054
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK172
- Online First：10 November 2007，
  
  Published：2007
- 稿件说明：
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张小艳 1, 2, 张兴群 1, et al. Boiling Heat Transfer Correlations for Refrigerant Mixtures Flowing Inside Micro-Fin Tubes[J]. 2007, 41(11): 1279-1283.
DOI：

张小艳 1, 2, 张兴群 1, et al. Boiling Heat Transfer Correlations for Refrigerant Mixtures Flowing Inside Micro-Fin Tubes[J]. 2007, 41(11): 1279-1283. DOI：

摘要

基于作者以前研究得到的三元非共沸混合制冷剂R417A在水平光滑管和2种不同几何参数的内螺纹管中流动沸腾换热的实验结果

应用R417A在光滑管内的实验数据对Kattan模型进行修正

并通过在修正-Kattan模型中引入强化因子

发展了一个混合制冷剂在微肋管内流动沸腾的换热关系式.计算结果与实验结果比较表明:该关系式能很好地预测混合制冷剂在不同的内螺纹管中流动沸腾时的换热系数

当干度小于80%时

预测偏差基本集中在±30%的范围之内.

Abstract

Based on the experimental results from the authors'previous study on ternary non-azeo-tropic refrigerant mixture R417A flowing and boiling in one smooth and two internally grooved horizontal tubes with different geometrical parameters

a boiling heat transfer correlations was developed for refrigerant mixtures flowing inside micro-fin tubes by applying the enhancement factor in the present modified-Kattan model

which was modified by the experimental data of R417A in a smooth tube. The comparison of the calculation and the experimental results indicates that the prediction by the present correlations is in good agreement with the experiment of refrigerant mixtures inside deferent micro-fin tubes with a standard deviation of ±30% for vapor qualities below 80%.

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references

Koyama S, Yu J, Momoki S, et al. Forced convective flow boiling heat transfer of pure refrigerants inside a horizontal microfin tube[C]∥Proceedings of the Convective Flow Boiling Conference. London: Taylor and Francis, 1995:137-142.

Cavallini A, Del Col D, Doretti L, et al. Refrigerant vaporization inside enhanced tubes: a heat transfer model [J]. International Journal of Heat and Technology, 1999,17(2):29-36.

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张小艳,袁秀玲,田怀璋. R417A在水平光滑管和内螺纹管中的流动沸腾换热[J]. 西安交通大学学报,2007,41(1):18-22.

Zhang Xiaoyan, Yuan Xiuling,Tian Huaizhang. Evaporation heat transfer of R417A flowing inside horizontal smooth and internally grooved tubes[J]. Journal of Xi'an Jiaotong University, 2007,41(1):18-22.

Kattan N, Thome J R, Favrat D. Flow boiling in horizontal tubes, part 3: development of a new heat transfer model based on flow pattern [J]. ASME Journal of Heat Transfer, 1998, 120(2): 156-164.

Boissieux X, Heikal M R, Johns R A. Two-phase heat transfer coefficients of three HFC refrigerants inside a horizontal smooth tube, part I: evaporation [J]. International Journal of Refrigeration, 2000, 23(4): 269-283.

Kuo Chenghu, Wang Chichuan. Horizontal flow boiling of R22 and R407C in a 9.52mm micro-fin tube [J]. Applied Thermal Engineering, 1996, 16(8/9): 719-732.

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