Abstract
A mathematical model for determining the interrelationship between the velocity of motion of the evaporation front and the thermal processes in the substrate has been developed. We have calculated the values of heat fluxes from the substrate in the process of evaporation of a film of thickness several microns and femtoliter water droplets. It has been shown that the heat fluxes in the evaporation time are of the order of 1 MW/m2. The evaporation time does not exceed 10–2 s. Approximated formulas have been obtained for estimating the values of heat fluxes. It has been established that a decrease in pressure increases the value of the measured heat flux due to the decrease in the limiting temperature of the evaporation front.
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