Daniel Baldacchino

TL;DR: In this article, a 30-thick DU97-W-300 airfoil was equipped with numerous passive vane-type vortex generators (VGs) and its performance was evaluated in the Delft University Low Turbulence Wind Tunnel at a chord-based Reynolds number of 2×106.

TL;DR: Comparisons of experimental results and complimentary computations for airfoils with vortex generators are compared and indicate that with appropriate calibration, engineering-type tools can capture the effects of vortex generators and outperform more complex tools.

TL;DR: In this paper, experimental results and complimentary computations for airfoils with vortex generators are compared, as part of an effort within the AVATAR project to develop tools for wind turbine blade control devices.

TL;DR: In this paper, the flow around a 2D airfoil case is studied, for both transitional and fully turbulent conditions at Reynolds numbers of 3 × 106 and 15 × 106, and the necessary grid resolution, domain size and iterative convergence criteria to have consistent results are discussed.

TL;DR: In this article, a free wake model that combines a vortex ring model with a semi-infinite cylindrical vortex tube was developed and applied to an actuator disc in three load cases: (i) steady uniform and radially varied, (ii) two types of unsteady uniform load and (iii) unstially varied load cases.