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Numerical study of absorption in a laminar falling film of ammonia-water.

Author(s) : GOMMED K., GROSSMAN G., KOENIG M. S.

Summary

The paper describes an analytical and numerical tool developed to enable prediction of heat and mass transfer during the absorption process of ammonia-water vapour into a liquid layer falling inside a vertical tube. The physical model is based on conservation of mass, momentum, energy, and species. The results of the model describe the behaviour of the absorption process and its dependence on the various problem parameters. Temperature and concentration profiles have been calculated and the heat and mass fluxes have been evaluated, which yield heat and mass transfer coefficients.

Details

  • Original title: Numerical study of absorption in a laminar falling film of ammonia-water.
  • Record ID : 2002-0713
  • Languages: English
  • Source: ASHRAE Transactions. 2001 Winter Meeting, Atlanta, GA. Volume 107, part 1 + CD-ROM.
  • Publication date: 2001
  • Document available for consultation in the library of the IIR headquarters only.

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