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Effect of inundation upon the condensation heat transfer performance of R134a. II. Results (RP-984).

Author(s) : RANDALL D. L., ECKELS S. J.

Type of article: Article

Summary

Results showed the three-dimensional enhanced tube had the highest condensation heat transfer coefficient of any tube tested during the course of the study. Bundle average heat transfer coefficients for the three-dimensional tube showed a steady decline with increased heat flux and the row-by-row heat transfer coefficients showed an almost linear decrease with increased row number. The performance of the two-dimensional tube showed variations with heat flux but showed less sensitivity to inundation level. The experimental results for all tubes were compared with published correlations. Experimental results for the two-dimensional tube were predicted well by the correlations, but no suitable correlation was found for the three-dimensional tube so one was developed (see this Bulletin, reference 2006-1697).

Details

  • Original title: Effect of inundation upon the condensation heat transfer performance of R134a. II. Results (RP-984).
  • Record ID : 2006-1698
  • Languages: English
  • Source: HVAC&R Research - vol. 11 - n. 4
  • Publication date: 2005/10

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