Abstract
A direct numerical simulation of an inclined turbulent jet interacting with a cross-flow in a film-cooling configuration is performed. The effect of including a micro-ramp vortex generator downstream of the film-cooling jet is studied. Specifically, changes in vortex structure and film-cooling effectiveness are evaluated. The coolant jet is inclined at an angle of 35 degrees to the freestream, the blowing ratio is 1.5, and the Reynolds number based on the jet diameter and freestream cross-flow velocity is 8,000. The incompressible NavierStokes equations are solved numerically using a 3D Finite Volume solver implemented on a Graphics Processing Unit (GPU).
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