Effect of Streamwise Heat Conduction on Heat Transfer from a Nonisothermal Flat Plate at Low Prandtl Numbers

The effect of streamwise heat conduction on heat transfer from a flat plate is studied at low Prandtl numbers. The surface temperature of the plate is assumed to vary according to a power law with the longitudinal distance. The analysis is performed as a perturbation of the classical boundary-layer theory. The resulting similar energy equations are solved for small Prandtl number by using the method of matched asymptotic expansions.