Abstract
A numerical method for solving the Reynolds-averaged Navier-Stokes equations around axisymmetric afterbody/nozzle configurations, with sharp trailing edges or finite bases, is presented. Turbulence closure is achieved through either a simple algebraic turbulence model or a low Reynolds number form of the A>e two-equation differential model. The solution procedure uses an explicit time-marching finite-volume method. The performance of each of the turbulence models is assessed through comparisons with experimental data on three series of geometries, including both attached and separated flow cases.
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