The equations for convective diffusion to a rotating disk are solved numerically for the case where a consolute point is found between the concentration in the bulk and that at the surface. A singular-perturbation expansion is presented for the condition where the bulk concentration is nearly equal to the consolute-point composition. Results are compared to Levich's solution for constant properties and with his analysis of an experimental system
Convective Diffusion Near A Consolute Point
Fuller, TF., & Newman, J. (1993). Convective Diffusion Near A Consolute Point. International Journal of Heat and Mass Transfer, 36(2), 347-351.