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 6

Variation of (a) skin friction coefficient with unsteadiness parameter for different values and (b) with different values.

(a) Skin friction versus unsteadiness parameter at different values of the Casson parameter at , , , , and

(b) Skin friction versus unsteadiness parameter at different values of the permeability parameter at , , , , and