Conjugate effects of heat and mass transfer on natural convection flow along a vertical flat plate with chemical reaction

Abstract

In this thesis, the conjugate effects of heat and mass transfer on natural convection flow along a vertical flat plate in absence of heat generation with chemical reaction and the conjugate effects of heat and mass transfer on natural convection flow along a vertical flat plate in presence of heat generation with chemical reaction have been investigated. The physical problems are represented mathematically by different sets of governing equations along with the corresponding boundary conditions. Using the appropriate transformation, the governing equations i.e. the equations of continuity, momentum, energy and concentration are transformed into a set of non-dimensional boundary layer equations along with the corresponding boundary conditions, which are then solved numerically using finitedifference method together with the Keller box scheme. Here, the attention is focused on the evaluation of the surface shear stress in terms of local skin friction, rate of heat transfer in terms of local Nusselt number and rate of species concentration in terms of local Sherwood number, velocity profiles as well as temperature profiles. The software FORTRAN 90 is used to perform computational job and the post processing software TECHPLOT has been used to display the numerical results graphically. A selection of parameters set is also considered for computation consisting of heat generation parameter Q, Prandtl number Pr, Schmidt number Sc, Chemical reaction parameter and buoyancy ratio parameter N. The results in terms of local skin friction, local Nusselt number, Local Sherwood number are shown in tabular forms. Velocity profiles, temperature profiles, skin friction coefficient, rate of heat transfer and rate of species concentration heat transfer have been displayed graphically and analyzed for various values of heat generation parameter, chemical reaction parameter, buoyancy ratio parameter, the Schmidt number and the Prandtl number as well.