We describe the results of a numerical and experimental investigation aimed at assessing
the performance of a control method to delay boundary layer separation consisting of the …

The high-Reynolds number flow around a rectangular cylinder, having streamwise to
crossflow length ratio equal to 5 is analyzed in the present paper. The flow is characterized …

Previous studies have implied that the AR (aspect ratio) of the transverse groove
significantly affects the stability of the boundary vortex within the groove and thus drives the …

The effectiveness of properly contoured transverse grooves in delaying the flow separation
occurring on a two-dimensional boat-tailed bluff body is assessed through numerical …

Optimizing the aerodynamic shape of an airfoil is a critical concern in the aviation industry.
The introduction of flexible airfoils has allowed the shape of the airfoil to vary, depending on …

A flow control strategy to improve the efficiency of plane diffusers, based on the introduction
of local flow recirculations along the diffuser diverging walls, is investigated. Three reference …

An approach for shape optimisation of the flow through a diffuser is presented in this work.
This multi-objective problem focuses on maximising the diffuser performance by …

A passive control strategy, which consists in introducing contoured cavities in solid walls, is
applied to a plane asymmetric diffuser at a Reynolds number that implies fully-turbulent flow …

Appropriately-designed spanwise-extruded small grooves, oriented transverse to the
freestream flow, may delay flow separation in adverse pressure gradients by generating …

The draft tube of a hydraulic turbine plays an important role for the efficiency and power
characteristics of the overall system. The shape of the draft tube affects its performance …