Diffusion of Chemically Reactive Species in Casson Fluid Flow over an Unsteady Stretching Surface in Porous Medium in the Presence of a Magnetic Field

Figure 4

Effects of different parameters on concentration profiles.

(a) Concentration profiles for different values of the Casson parameter and unsteadiness parameter at , , , , and

(b) Concentration profiles for different values of the permeability parameter and unsteadiness parameter at , , , , and

(c) Concentration profiles for different values of the Casson parameter and magnetic parameter at , , , , and

(d) Concentration profiles for different values of the permeability parameter and magnetic parameter at , , , , and