Evaporation of a Binary Liquid Film by Forced Convection

Abstract

This paper deals with a numerical analysis of the evaporation of a thin binary liquid film by forced convection inside a channel constituted by two parallel plates. The first plate is externally insulated and wetted by a thin water ethylene glycol film while the second is dry and isothermal. The liquid mixture consists of water (the more volatile component) and ethylene glycol while the gas mixture has three components: dry air, water vapour and ethylene-glycol vapour. The set of non linear and coupled equations expressing the conservation of mass, momentum, energy and species in the liquid and gas mixtures is solved numerically using a finite difference method. Results concerns with the effects of inlet ambience conditions and the inlet liquid concentration of ethylene glycol on the distribution of the temperature, concentrations profiles and the axial variation of the evaporation rate of species i.

Dates

  • Submission Date2010-04-27
  • Revision Date2010-09-14
  • Acceptance Date2010-09-20

DOI Reference

10.2298/TSCI100427076N

References

  1. A. Ali Cherif, A. Daif, Etude num
Volume 15, Issue 3, Pages773 -784