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Transfert de chaleur par ébullition libre dans les mélanges binaires ammoniac-eau.

Pool boiling heat transfer in binary mixtures of ammonia/water.

Auteurs : INOUE T., MONDE M., TERUYA Y.

Type d'article : Article

Résumé

The experiment was carried out at pressures of 0.4 and 0.7 MPa, at heat fluxes below 2000 kW/m² and over all ranges of fraction. The heat transfer coefficients in the mixtures are markedly less than those in single-component substances and, in particular, dramatically deteriorated in the vicinity of both single-component substances. It was found difficult to use any existing correlations to predict the coefficients over all ranges of fraction. The effects of the heat of dilution and of dissolution on pressure and temperature in a system (pressure vessel) were shown.

Détails

  • Titre original : Pool boiling heat transfer in binary mixtures of ammonia/water.
  • Identifiant de la fiche : 2004-0084
  • Langues : Anglais
  • Source : International Journal of Heat and Mass Transfer - vol. 45 - n. 22
  • Date d'édition : 10/2002

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