Abstract
A parabolic three-dimensional finite-difference method incorporating a two-equation model for turbulence closure is used to predict the spreading of a hypermixing turbulent jet within a thrust augmenting ejector. A hypermixing nozzle has an alternating exit causing the formation of streamwise vortices which increases the turbulent mixing. Predicted mainstream velocity profiles for hypermixing jets are compared with experimental data. The formation of the downstream vortices is shown. The selection of initial conditions and the effect of changing initial turbulence levels are also described.
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