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Advisor(s)
Abstract(s)
Fin-and-tube heat exchangers (HX) have wide application in the industry. The study of HXs with
reduced tube diameter has allowed the development of more compact and equally efficient
equipment. Most of the HXs of this type are composed of flat fins, not only due to the ease of
construction but also to their reliability in long-term operation and reduced friction characteristics.
The formulation of mathematical equations that predict the effect of the geometric characteristics on
the heat transfer and friction factors of the HXs lead many researchers to try to establish correlations
that approximate the experimental results. In this paper is developed a computational tool based on
literature correlations is used to evaluate the Colburn and friction factors for flat fin-and-tube compact
HXs. The results of predictions show the Colburn and friction factors behavior for different
geometrical parameters (fin pitch, tube diameter, tube number) and typical Reynolds number.
Description
Keywords
Refrigeration Heat exchangers Compact Computational simulation Evaporators Energy Efficiency
Citation
Publisher
25th IIR International Congress of Refrigeration (ICR 2019)