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Generalized air-side friction and heat transfer correlations for wavy-fin compact heat exchangers.

Author(s) : QASEM N. A. A., ZUBAIR S. M.

Type of article: Article, IJR article

Summary

This work focuses on proposing generalized air-side thermal-hydraulic correlations for wavy-fin compact heat exchangers. The new correlations are modeled from experimental and numerical f- and j-factor data reported in the literature and presented in this paper. We have simulated twenty-one new geometries, using experimentally validated three-dimensional model implemented in ANSYS Fluent program, to obtain heat-transfer and fluid-flow characteristics of unreported geometries. Data of 50 geometries are used to propose new f and j correlations with an rms error of 9.23% and 9.90%, respectively. Testing and comparing the present correlations with those reported in the literature demonstrate that the present air-side f- and j-factor correlations are more accurate and generalized for regular wavy-fin compact heat exchangers.

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Pages: 21-30

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Details

  • Original title: Generalized air-side friction and heat transfer correlations for wavy-fin compact heat exchangers.
  • Record ID : 30025343
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 97
  • Publication date: 2019/01
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2018.09.010

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