On impulsive motion of a vertical plate with heat flux and diffusion of chemically reactive species

Finite-difference solution of the transient natural convection flow of an i ncompressible Viscous fluid past an impulsively started semi-infinite plate with constant heat flux and mass diffusion is presented here, taking into account the homogeneous chemical reaction of first order. The concentration profiles are compared with the exact solution and are found to be in good agreement. The steady-state velocity, temperature and concentration profile s are shown graphically. It is observed that due to the presence of first o rder chemical reaction, the velocity decreases with increasing values of th e chemical reaction parameter. The local as well as average skin-friction, Nusselt number and Sherwood number are shown graphically.