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Evaluation of heat and mass transfer coefficients for falling-films on tubular absorbers.

Author(s) : ISLAM R., WIJEYSUNDERA N. E., HO J. C.

Type of article: Article, IJR article

Summary

A coupled heat and mass transfer model is developed to extract the transfer coefficients for falling-films from the measurements on a tubular absorber. The mass transfer coefficients obtained from the coupled model and the log-mean-difference approach agree within about 10%. For the heat transfer coefficient, the values given by the two models can differ quite significantly. The cooling water temperature distribution predicted by the coupled model agrees well with measurements. The transfer coefficients obtained from experimental measurements using the various methods reported in the literature show wide variations.

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Pages: 197-204

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Details

  • Original title: Evaluation of heat and mass transfer coefficients for falling-films on tubular absorbers.
  • Record ID : 2003-1807
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 26 - n. 2
  • Publication date: 2003/03

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