A new analytical model of liquid drop evaporation in gaseous environment is developed based on the solution of species, momentum and energy conservation equations in a radial coordinate system. The model relieves some inconsistencies of previous simplified models and it yields solutions also for the non-isothermal case. The flow field characteristics under isothermal and non-isothermal steady-state conditions are investigated for different evaporating fluids. The unsteady drop evaporation process is predicted and comparison with the existing simplified Maxwell equation and the well known Stefan–Fuchs model is reported and discussed.
An analytical model of liquid drop evaporation in gaseous environment
TONINI, Simona;COSSALI, Gianpietro
2012-01-01
Abstract
A new analytical model of liquid drop evaporation in gaseous environment is developed based on the solution of species, momentum and energy conservation equations in a radial coordinate system. The model relieves some inconsistencies of previous simplified models and it yields solutions also for the non-isothermal case. The flow field characteristics under isothermal and non-isothermal steady-state conditions are investigated for different evaporating fluids. The unsteady drop evaporation process is predicted and comparison with the existing simplified Maxwell equation and the well known Stefan–Fuchs model is reported and discussed.File allegato/i alla scheda:
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