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Mesures de la chaleur massique de la solution aqueuse au bromure de lithium.

Specific heat measurements on aqueous lithium bromide.

Auteurs : YUAN Z., HEROLD K. E.

Type d'article : Article

Résumé

In the design and application of lithium bromide (LiBr) based absorption machines, McNeely's correlation for enthalpy is widely used. This correlation is derived from vapour pressure and specific heat data. The McNeely correlation applies in the range of mass fraction of aqueous LiBr from 45 to 75% and temperature from 5 to 175 °C. Therefore, high-temperature applications require a new correlation. In addition, after a literature survey on aqueous LiBr specific heat data, it was found that the data are limited and inconsistent. The need for consistent data, including high-temperature data, motivated us to measure specific heat in the full range of mass fraction of liquid aqueous LiBr and the temperature range from 5 to 260 °C.

Détails

  • Titre original : Specific heat measurements on aqueous lithium bromide.
  • Identifiant de la fiche : 2006-0210
  • Langues : Anglais
  • Source : HVAC&R Research - vol. 11 - n. 3
  • Date d'édition : 07/2005

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