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4 papers · 1 filter
Separation drag reduction through a spanwise oscillating pressure gradient
Vinh-Tan Nguyen, Pierre Ricco, Gianluca Pironti
An oscillating spanwise pressure gradient is imposed numerically to control the flow separation and reduce the drag of a turbulent flow in a channel with square bars. The transvers…
Investigation of flow structures in a turbulent separating flow using hybrid RANS-LES model
Gaurav Kumar, Ashoke De, Harish Gopalan
Hybrid Reynolds-averaged Navier Stokes large eddy simulation (RANS LES) methods have become popular for simulation of massively separated flows at high Reynolds numbers due to thei…
Analytical solution for an acoustic boundary layer around an oscillating rigid sphere
Evert Klaseboer, Qiang Sun, Derek Y. C. Chan
Analytical solutions in fluid dynamics can be used to elucidate the physics of complex flows and to serve as test cases for numerical models. In this work, we present the analytica…
Span effect on the turbulence nature of flow past a circular cylinder
Bernat Font, Gabriel D. Weymouth, Vinh-Tan Nguyen +1
Turbulent flow evolution and energy cascades are significantly different in two-dimensional (2D) and three-dimensional (3D) flows. Studies have investigated these differences in ob…