This time-dependent partial differential equation relates the change in concentration at any point as a function of time to the change in the concentration gradient with respect to position. This important equation is the starting point for a large amount of literature in mass transfer that deals primarily with solving this equation subject to various initial and boundary conditions.

Although the simple one-dimensional problem is considered here, a more general three-dimensional statement of Fick's second law (Eq. 4.2) is


All Natural Yeast Infection Treatment

All Natural Yeast Infection Treatment

Ever have a yeast infection? The raw, itchy and outright unbearable burning sensation that always comes with even the mildest infection can wreak such havoc on our daily lives.

Get My Free Ebook

Post a comment