Effect of thermal diffusion on absorption during dissolution of short gas plugs

Tov Elperin, Andrew Fominykh

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We study a nonisothermal gas absorption from a rising short gas plug using an approximation of the infinite dilution of absorbate and taking into account the effect of thermal diffusion on the rates of heat and mass transfer. Short contact time solutions of energy and mass conservation equations are obtained by a similarity method. It is shown that for absorption of ammonia and hydrogen chloride by water and water vapor by aqueous solution of LiBr neglecting effect of thermal diffusion results in overestimating the rate of mass transfer during absorption.

Original languageEnglish
Pages (from-to)3251-3254
Number of pages4
JournalInternational Journal of Heat and Mass Transfer
Volume51
Issue number11-12
DOIs
StatePublished - 1 Jun 2008

Keywords

  • Heat and mass transfer
  • Nonisothermal absorption
  • Rising gas plug
  • Thermal diffusion

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