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Vitesses d'évaporation de liquides hydrocarbures purs sous l'influence de la convection et de la diffusion naturelles.

Evaporation rates of pure hydrocarbon liquids under the influences of natural convection and diffusion.

Auteurs : KELLY-ZION P. L., PURSELL C. J., BOOTH R. S., et al.

Type d'article : Article

Résumé

Evaporation of liquid hydrocarbons was studied in order to better understand the relative influences of diffusion and buoyancy-induced convection of the vapours on the evaporation rate. Evaporation rates were measured using a simple gravimetric technique and the behaviour of the vapour layer that quickly forms above the film was observed using schlieren imaging. Even for conditions for which the influence of buoyancy is strong, the evaporation rates are well correlated by a one-dimensional diffusion model if an effective vapour layer thickness is used. [Reprinted with permission from Elsevier. Copyright, 2009].

Détails

  • Titre original : Evaporation rates of pure hydrocarbon liquids under the influences of natural convection and diffusion.
  • Identifiant de la fiche : 2009-1903
  • Langues : Anglais
  • Source : International Journal of Heat and Mass Transfer - vol. 52 - n. 13-14
  • Date d'édition : 06/2009
  • DOI : http://dx.doi.org/10.1016/j.ijheatmasstransfer.2009.01.015

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