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Intensification du transfert de chaleur et de masse au moment de l'absorption de vapeur grâce à l'ajout d'agents tensio-actifs.

Heat and mass transfer intensification at steam absorption by surfactant additives.

Auteurs : NAKORYAKOV V. E., GRIGORYEVA N. I., BUFETOV N. S., et al.

Type d'article : Article

Résumé

The mechanisms of surfactant admixture effect on heat and mass transfer were studied experimentally at steam absorption by a salt solution at operation of the heat pump absorber. Steam absorption by initially immobile water solution of lithium bromide with additives of n-octanol with concentrations of 25-400 ppm (both lower and higher than the solubility limit) was studied. Thermograms of a layer surface, moving during absorption, were obtained by thermal imaging equipment. Data on surface tension of lithium bromide solution with small additives of n-octanol was analyzed. [Reprinted with permission from Elsevier. Copyright, 2008].

Détails

  • Titre original : Heat and mass transfer intensification at steam absorption by surfactant additives.
  • Identifiant de la fiche : 2009-0158
  • Langues : Anglais
  • Source : International Journal of Heat and Mass Transfer - vol. 51 - n. 21-22
  • Date d'édition : 10/2008

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