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The Olympic champion Caster Semenya maintained her unbeaten record over 800m this season by clocking 1 56.44 to win the Diamond Race, with Lynsey Sharp trailing home in 11th in 2min 00.55sec.
A specific correction improves the quality of the O-type mesh near the sharp trailing edge.
A thin plate terminating in a sharp trailing edge provides a generic test case for turbulent boundary layer trailing edge interaction noise.
The Kutta condition is applied to aerofoils with sharp trailing edges to allow for viscous effects to be considered within a simplified system of equations that are inviscid.
This paper extends previously published TNO-Blake model to predict airfoil broadband self-noise due to the interaction of a turbulent boundary layer with a sharp trailing edge.
This paper is concerned with the process of energy conversion between acoustic waves and vorticity when plane sound waves impinge upon a sharp trailing edge of a semi-infinite plate positioned in a supersonic mean flow.
The shed vortices possessed similarities to large coherent eddies in boundary layers in that they interacted and occasionally paired as they convected past the sharp trailing edge of the airfoil.
The radiation at very low frequencies is dominated by "curvature noise" generated by the interaction of boundary layer turbulence with the rounded trailing edge of the CC-hydrofoil; this is similar in character and magnitude to the low-frequency component of the conventional trailing edge noise produced by a hydrofoil of the same chord, but with a sharp trailing edge.
This paper discusses in detail the inclusion of an unsteady Kutta condition at a sharp trailing edge during gust aerofoil interaction and illustrates how the analytic solution for the far-field noise generated by this interaction changes if the unsteady Kutta condition is neglected, or more precisely, if the unsteady pressure is permitted to be singular at the trailing edge.
With increasing Reynolds number, transition was observed in the type of vortex shedding, i.e., from the Kármán type shedding to the impinging-shear-layer instability, where a single separated shear layer can be unstable in the presence of a sharp trailing edge corner.
The Kutta-Joukowski theorem of a 2D airfoil further assumes that the flow leaves the sharp trailing edge smoothly, and this determines the total circulation around an airfoil.
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