On a finite-difference solution for the constant-property turbulent boundary layer.

摘要: A finite-differe nce method has been developed for the solutions to governing partial differential equations constant-property turbulent boundary layer. Prandtl's mixinglength concept was used express apparent shearing stress according a hypothesized mixing-length distribution through The model is in general agreement with experimental data variety of flow conditions. method, an always stable explicit finite-difference formulation that requires no iterative procedures, numerically more direct than other methods recently proposed and unique its evaluation by using assumed as only empirical input. predicted skin-friction coefficients velocity profiles agree well several comparisons made, which included flows both favorable adverse pressure gradients flat plate cases without blowing. numerical presented not restricted use particular tentatively this work, but can be compare various models help establish their properties range applicability, thereby serving further understanding most fundamental aspects flow. c Cf gc I