A homogeneous-heterogeneous reaction model for heat fluid flow in the stagnation region of a plane surface

A simple model of chemical reactions for heat fluid flow in the stagnation-point region of a flat sheet is constructed. It is assumed that the heterogeneous reactions taking place on the wall surface are given by isothermal cubic autocatalator kinetics and the homogeneous reactions occurring in the ambient fluid are governing by first order kinetics. The steady-state problem is then reduced to a set of coupled ordinary differential equations via similarity reduction in the case that the diffusion coefficients of reactant and autocatalyst are equal. The multiple solutions of this system are obtained numerically with the help of hysteresis bifurcations.