Sharp Flat Plate Research Articles

Shock wave shapes on a sharp flat plate in rarefied hypersonic flow.

Shock wave shapes on a sharp flat plate in rarefied hypersonic flow.

Highly nonequilibrium boundary-layer flows of a multicomponent dissociated gas mixture

Analytical solutions are presented for a family of highly nonequilibrium (nearly frozen) boundary-layer flows of a four-component dissociated gas mixture around non-ablating bodies with either a completely catalytic or perfectly non-catalytic surface. Both self-similar and locally non-similar flows are studied for either recombination rate controlled or dissociation rate controlled situations. The nonequilibrium boundary-layer behavior, including the sensitivity to the various chemical kinetic data and transport property parameters, is considered in detail for highly cooled stagnation point flows on blunt bodies and hypersonic flows over sharp flat plates and slender cones. The accuracy of the local similarity approximation and use of nonequilibrium binary scaling laws are also examined for the plate and cone flows.