A coupled implicit method for chemical non-equilibrium flows at all speeds
A time-accurate, coupled solution procedure is described for the chemical nonequilibrium Navier-Stokes equations over a wide range of Mach numbers. This method employs the strong conservation form of the governing equations, but uses primitive variables \((p_ g,u,v,h,Y_ i)\) as unknowns. Real gas properties and nonequilibrium chemistry are considered. Numerical tests include steady convergent-divergent nozzle flows with air dissociation/recombination chemistry, dump combustor flows with \(n\)-pentane-air chemistry, and nonreacting unsteady driven cavity flows.
scientific article; zbMATH DE number 203234