Droplet Evaporation Near a Flat Wall

S. I. Grashchenkov

Kirov State Pedagogical University, pl. Lenina 2, Pskov, 180760 Russia

Received January 29, 2007

Abstract—The problem of the free evaporation of a droplet of moderately large size occurring near an infinite
flat wall is solved. The cases in which the wall surface is impenetrable to an evaporating substance and vapor
concentration remains unchanged at the surface are considered. The temperature of the wall surface is assumed
to be constant and equal to the gas temperature at a large distance from the droplet. A set of algebraic equations
is derived for molecular fluxes and the temperature and the concentration of gaseous components. Dependences
of the evaporation rate of a water droplet suspended in air on its radius and distance from a wall are determined.

DOI: 10.1134/S1061933X07060026

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