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IIR document

Fin design for fin-and-tube heat exchanger with microgroove small diameter tubes for air conditioner.

Number: pap. n. TP-071

Author(s) : GAO Y., SONG J., GAO J., et al.

Summary

Optimal louver fins suitable for 5 mm diameter tubes are designed by Computational Fluid Dynamic-based method in this study. Based on the design result, a set of fin-and-tube heat exchangers with 5 mm diameter tubes are tested to develop correlations to predict the performance of new fin-and-tube heat exchanger. According to the experimental results, it is found that water bridge occurs at the bottom of fin with hydrophilic coating, which did not occur in fin-and-tube heat exchangers with 7 mm or 10.33 mm diameter tubes in previous studies. Based on the data, correlation of j is developed to predict the heat transfer rate of fin-and-tube heat exchanger with 5 mm diameter tubes. The mean deviations of the proposed j correlation are 6.5%.

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Pages: 8 p.

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Details

  • Original title: Fin design for fin-and-tube heat exchanger with microgroove small diameter tubes for air conditioner.
  • Record ID : 30008300
  • Languages: English
  • Source: 4th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
  • Publication date: 2013/06/17

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