IIR document

Numerical simulation of dehumidifying fin-and-tube heat exchangers: semi-analytical modelling and experimental comparison.

Author(s) : OLIET C., PÉREZ-SEGARRA C. D., DANOV S., et al.

Type of article: Article, IJR article

Summary

The aim of this paper is to present a developed semi-analytical model for the simulation of dehumidifying air-liquid fin-and-tube heat exchangers. The simulation strategy and the mathematical methodology are described in detail. The model is based on the epsilon-NTU method, and formulated in a compact way for dry and wet surface situations (temperature or enthalpy driven, respectively). Both rating and design procedures have been developed for fully dry, partially wet, or fully wet surface conditions. The model predictions are compared with experimental data obtained on a wavy and a plain finned heat exchanger, giving reasonably accurate results. The limitations of the empirical information used are clearly identified in the work. The aim of this model is to provide a fast but reliable rating and design numerical tool for air-liquid heat exchanger applications.

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Pages: 1266-1277

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Details

  • Original title: Numerical simulation of dehumidifying fin-and-tube heat exchangers: semi-analytical modelling and experimental comparison.
  • Record ID : 2007-2576
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 30 - n. 7
  • Publication date: 2007/11

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