Abstract
External boundary-layer flow problems with constant heat flux and variable physical properties are, in general, difficult to deal with computationally. In this study, a particular problem of this type is investigated using the S/360 CSMP package. A varia tional formulation based on the concept of local potential is first applied to transform the two fundamental coupled nonlinear partial differential equations into two more-tractable ordinary differen tial equations. The study has yielded information concerning flow performance as well as information on the sensitivity of thermal conductivity and viscosity to the local Nusselt number and local friction factor. Wherever possible a comparison has been made between the results from this study and those obtained from the literature. Close agreement has been obtained in all cases. The CSMP program has proved to be a very convenient and effective tool in this study, and it is felt that the package would be equally useful in the study of similar boundary-layer flow problems.
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