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Visualization and measurement of adsorption and desorption process in activated carbon/ethanol pair adsorber.

Visualisation et mesure des processus d'adsorption et de désorption dans un adsorbeur au carbone/éthanol activé.

Numéro : pap. n. 67

Auteurs : MURATA K., ASANO H., SAITO Y.

Résumé

Estimation of refrigerant distribution in adsorbent bed is important to design an adsorber of an adsorption refrigerating system, because the adsorption and desorption process is complex phenomena with heat and mass transfer, and strongly effects on the cycle performance. The adsorbed refrigerant distribution in a rectangular adsorber was visualized and measured by a neutron radiography method for activated carbon and ethanol pair. Quantitative measurement of adsorbed refrigerant amount was realized by applying the umbra method to compensate neutron scattering effect. It was confirmed from the visualization of adsorbent in equilibrium that the measured results from the radiographs were agreed well with the previous data measured by a weight method. In the experiments of adsorption and desorption process with heat transfer, transient behaviors of adsorbed refrigerant distribution could be clearly visualized. It was clarified from the results that the refrigerant adsorption was dominated by heat diffusion in the adsorbent bed, and adsorbed amount became higher around the heat-transfer surface including fins.

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Format PDF

Pages : 8 p.

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    15 €

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    Gratuit

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Détails

  • Titre original : Visualization and measurement of adsorption and desorption process in activated carbon/ethanol pair adsorber.
  • Identifiant de la fiche : 30015104
  • Langues : Anglais
  • Source : Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
  • Date d'édition : 16/08/2015
  • DOI : http://dx.doi.org/10.18462/iir.icr.2015.0067

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