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Transfert de chaleur et de masse lors de l'absorption d'ammoniac gazeux par un film tombant liquide sur un tube horizontal.

Heat and mass transfer during ammonia gas absorption into falling liquid film on a horizontal tube.

Auteurs : MASAO G., NORIHIRO I., SHIGETAKA U.

Résumé

Heat and mass transfer coefficients during ammonia gas absorption into a falling liquid film formed by distilled water on a horizontal tube were obtained experimentally. The test absorber consists of a 200 mm i.d., a 600 mm long stainless steel shell, a 17.3 mm o.d., a 14.9 mm i.d. stainless steel test tube with 600 mm working length mounted along the axis of the shell, and a 12.7 mm o.d. pipe supplying the absorbent. In the paper, it was clear that heat and mass transfer coefficients could be enhanced by increasing the flow rate of the absorbent. It was also confirmed that heat transfer coefficients could be enhanced by increasing the temperature difference between the inlet of absorbent and ammonia vapour.

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Pages : 2001-5

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Détails

  • Titre original : Heat and mass transfer during ammonia gas absorption into falling liquid film on a horizontal tube.
  • Identifiant de la fiche : 2003-0767
  • Langues : Anglais
  • Source : Thermophysical Properties and Transfer Processes of New Refrigerants.
  • Date d'édition : 03/10/2001

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