Air-side heat transfer characteristics of flat plate finned-tube heat exchangers with large fin pitches under frosting conditions

Mooyeon Lee, Yonghan Kim, Hosung Lee, Yong Chan Kim

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

The air-side heat transfer characteristics of flat plate finned-tube heat exchangers were measured and analyzed by varying the fin pitch, number of tube rows, and tube alignment under frosting conditions. Two empirical correlations for predicting the j-factor were developed separately for the inline and the staggered tube alignment, respectively, as a function of the Reynolds number, Fourier number, number of tube rows, and dimensionless hydraulic diameter normalized by fin pitch. The average deviation of the predictions of the present correlations from the measured data was 1.31% for the inline tube alignment and 0.65% for the staggered tube alignment.

Original languageEnglish
Pages (from-to)2655-2661
Number of pages7
JournalInternational Journal of Heat and Mass Transfer
Volume53
Issue number13-14
DOIs
Publication statusPublished - 2010 Jun 1

Fingerprint

tube heat exchangers
Fins (heat exchange)
fins
flat plates
heat transfer
tubes
Heat transfer
air
Air
alignment
Reynolds number
Hydraulics
hydraulics
Heat exchangers--Finned tubes
deviation
predictions

Keywords

  • Correlation
  • Finned-tube heat exchanger
  • Frost
  • j-factor
  • Pressure drop

ASJC Scopus subject areas

  • Mechanical Engineering
  • Condensed Matter Physics
  • Fluid Flow and Transfer Processes

Cite this

Air-side heat transfer characteristics of flat plate finned-tube heat exchangers with large fin pitches under frosting conditions. / Lee, Mooyeon; Kim, Yonghan; Lee, Hosung; Kim, Yong Chan.

In: International Journal of Heat and Mass Transfer, Vol. 53, No. 13-14, 01.06.2010, p. 2655-2661.

Research output: Contribution to journalArticle

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