Abstract:
The effect of heat and mass transfer on the photophoretic motion of a large highly viscous spherical droplet in a binary gas mixture with small relative temperature differences in its vicinity is considered in the quasi-stationary Stokes approximation at small Pecle numbers. Convective heat and mass transfer equations were resolved by the method of asymptotic expansion. Analytical expressions were obtained and numerical estimates of the effect of heat and mass transfer on the photophoresis rate of large high-viscosity droplets were carried out.
Keywords:photophoresis of evaporating droplets, the movement of droplets in the field of electromagnetic radiation.