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小管径内螺纹管的蒸发实验研究及传热和压降关联式的评价 被引量：2

Convective Vaporization in Micro-Fin Tubes of Different Geometries
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摘要 本文对4种内螺纹管管内蒸发对流换热和压降特性进行了实验研究。测试采用的管型外径为均为5 mm,螺旋角均为18°。给出了实验结果,并采用已有的模型对这些数据进行了分析,并提出了新的模型,该模型可以准确预测实验结果。 An experimental investigation of heat transfer and friction characteristics for convective vaporization in micro-fin tubes of different geometries.All tested tubes have the same outside diameter 5 mm and helix angle 18 degree.We give out the experimental result.In addition,the data was analyzed with existing correlations,and a new asymptote model can predict the experimental heat transfer data accurately.
作者 王旭 郭思璞 孙显东 朱华 李蔚 洪荣华 任毓程
机构地区 浙江大学热工与动力系统研究所 山西汾西热能工程有限公司
出处 《工程热物理学报》 EI CAS CSCD 北大核心 2013年第1期125-128,共4页 Journal of Engineering Thermophysics
基金 国家科技支撑计划资助项目(No.2012BAA10B01)
关键词 内螺纹管 蒸发对流 压降 换热 micro-fin tube convective vaporization pressure drop heat transfer
分类号 TK124 [动力工程及工程热物理—工程热物理]
  • 相关文献

参考文献8

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二级参考文献24

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共引文献11

同被引文献21

  • 1中国国家标准化管理委员会.GB/T7725-2004房间空气调节器[S].北京:中国标准出版社,2004.
  • 2高屹峰.小管径内螺纹管换热器在家用空调中的应用分析与优化[C]//2007年中国铜加工技术与应用论坛论文集.北京:中国有色金属加工工业协会,2007:206-213.
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  • 6Cavallini A, Del Col D, Doretti L, et al. Refrigerant va- porisation inside enhanced tubes: A heat transfer model [J]. Heat Technology, 1999, 17(2) : 29-36.
  • 7Thome J R, Favrat D, Kattan N. Evaporation in Microfin Tubes: A Generalized Prediction Model[R]. 1997.
  • 8Yun R, Kim Y, Seo K, et al. A generalized correlation for evaporation heat transfer of refrigerants in micro-fin tubes [ J ]. International Journal of Heat and Mass Transfer, 2002, 45(10) : 2003-2010.
  • 9Gnielinski V. New equation for heat and mass transfer in turbulent pipe and channel flow [ J ]. International Chemi- cal Engineering, 1976,16:359-368.
  • 10Friedel L. Improved friction pressure drop correlations for horizontal and vertical two-phase pipe flow [ C ]//European Two-phase Flow Group Meeting. Ispra, Italy, 1979: 428- 433.

引证文献2

二级引证文献20

工程热物理学报
2013年 第1期

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