-molecular mass, kg/kmol; -density, kg/m 3 ; -time; w-velocity, m/s; subscripts-C-droplet centre; co-condensation; c-convection; e-evaporation; f-phase change; g-gas; i-time index in a digital scheme; it-number of iteration; I-index of control time; j-index of radial coordinate; J-index of droplet surface; k-conduction; k+r-conduction and radiation; l-liquid; m-mass average; η-non-dimensional radial coordinate; r-radiation; R-droplet surface; v-vapor; vg-gas-vapor mixture; 0-initial state; -far from a droplet; superscripts-+-external side of a droplet surface;-internal side of a droplet surface.