FORCED-CONVECTION HEAT-TRANSFER FROM A FLAT-PLATE - THE CONJUGATE PROBLEM

Heat transfer associated with the forced convection flow over a conduc ting slab sited in an aligned uniform stream is investigated analytica lly and numerically. Both internal and external thermal conductivities are taken into consideration by means of a conjugate model consisting of the full Navier-Stokes equations for the fluid medium and the ener gy equations for both the fluid and the slab. The analysis facilitates the investigation of the effects of the Reynolds number (Re), the Pra ndtl number (Pr), the thermal conductivity ratio (k) between the slab and the fluid medium and the slab,aspect ratio (lambda) on the heat tr ansfer characteristics. For Re much greater than 1, boundary-layer the ory is used to derive two methods of solution whose results are compar ed with the full numerical solutions. (C) 1997 Elsevier Science Ltd.