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Condensation of refrigerants in horizontal microfin tubes: comparison of prediction methods for heat transfer.

Author(s) : WANG H. S., HONDA H.

Type of article: Article, IJR article

Summary

A comparison was made between the predictions of previously proposed empirical correlations and theoretical model and available experimental data for the heat transfer coefficient during condensation of refrigerants in horizontal microfin tubes. The refrigerants tested were R11, R123, R134a, R22 and R410A. Experimental data for six tubes with the tube inside diameter at fin root of 6.49-8.88 mm, the fin height of 0.16-0.24 mm, fin pitch of 0.34-0.53 mm and helix angle of groove of 12-20° were adopted. The r.m.s. error of the predictions for all tubes and all refrigerants decreased in the order of the correlations proposed by Luu and Bergles, Cavallini et al., Shikazono et al., Kedzierski and Goncalves, Yu and Koyama, and the theoretical model proposed by Wang et al.

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Pages: 452-460

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Details

  • Original title: Condensation of refrigerants in horizontal microfin tubes: comparison of prediction methods for heat transfer.
  • Record ID : 2003-1726
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 26 - n. 4
  • Publication date: 2003/06

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