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Isosteric heats of adsorption extracted from experiments of ethanol and HFC-134a on carbon based adsorbents.

Chaleur isostérique d'adsorption : données obtenues suite aux expériences sur l'éthanol et le HFC-134a utilisés sur les adsorbant à base de charbon actif.

Auteurs : SHARKAWY A. I. el-, SAHA B. B., KOYAMA S., et al.

Type d'article : Article

Résumé

The purpose of this paper is to provide empirical correlations for isosteric heats of adsorption on carbon based adsorbents for two refrigerants namely ethanol and HFC-134a. A non-dimensional correlation which partitions the contributions of the concentration and temperature dependence is proposed. The correlation is tested out against data obtained from experimental isotherms of ethanol adsorption on activated carbon fibers [ACF (A-20) and ACF (A-15)] and HFC-134a on two specimens of activated carbon powders and onespecimen of carbon granules. It is expected that the suggested correlation will be useful for designers of adsorption chillers where indenting heat inventories fulcrums on the magnitude of isosteric heat of adsorption. [Reprinted with permission from Elsevier. Copyright, 2006].

Détails

  • Titre original : Isosteric heats of adsorption extracted from experiments of ethanol and HFC-134a on carbon based adsorbents.
  • Identifiant de la fiche : 2007-1535
  • Langues : Anglais
  • Source : International Journal of Heat and Mass Transfer - vol. 50 - n. 5-6
  • Date d'édition : 03/2007

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