• S Rama Mohan

      Articles written in Proceedings – Mathematical Sciences

    • Existence and uniqueness of similarity solutions of imbibition equation

      A P Verma S Rama Mohan

      More Details Abstract Fulltext PDF

      The existence and uniqueness of the similarity profiles for the imbibition phenomenon which may arise due to the difference in the wetting abilities of the two immiscible fluids involved in the displacement process through porous media is discussed. By assuming the validity of the Darcy’s law, a mathematical model has been described and it is found that the investigated flow system is governed by a nonlinear diffusivity type equation. The existence and uniqueness of its similarity solutions have been proved by considering the bounds on the saturation coefficient,N(Sw) which is regarded as positive and piecewise continuously differentiable.

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