stretching velocity of the plate

free stream temperature of the surrounding fluid

u, v

velocity components in x- and y-respectively

g

gravitational force due to acceleration

coefficient of mass diffusivity

the specific heat at constant pressure

reference temperature

Darcy permeability

thermophoretic coefficient

M

Magnetic parameter

thermal Rayleigh number

N

buoyancy ratio

Prandtl number

Schmidtl number

Cunningham correction factor

Knudsen number

real constant

real constant

real constant

skin-friction coefficient

dimensionless stream function

Nu

Nusselt number

Sh

Sherwood number

suction/injection parameter

free stream concentration

T

fluid temperature

C

fluid concentration