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Filtering by: Creator Johnsen, Eric Discipline Science

Turbulent flow over a backward-facing ramp with wall-mounted cubes

Creator:

Tandon, Suyash, Johnsen, Eric, and Maki, Kevin

Description:

Passive flow control devices, such as vortex generators (VGs), can effectively modulate the turbulent boundary layer flow near regions of adverse pressure gradients, but the interactions between the salient flow structures produced by VGs and those of the separated flow are not fully understood. In this study, a spatially evolving turbulent boundary layer interacting with a wall-mounted cube ahead of a backward-facing ramp is investigated using wall-resolved large-eddy simulations for a Reynolds number of 19,600, based on the inlet boundary layer thickness and freestream velocity. Different cube configurations are examined to isolate the effects of cube height and streamwise position.

Keyword:

fluid mechanics, boundary layer , turbulence, separated flows, and large eddy simulation

Citation to related publication:

Suyash Tandon, Kevin J. Maki, and Eric Johnsen, "Large-Eddy Simulations of Flow over a Backward-Facing Ramp with a Wall-Mounted Cube, " AIAAJ, Vol. 62, No. 9 (2024), pp. 3403-3417 doi: doi/abs/10.2514/1.J063803

Discipline:

Engineering and Science