Visualization and Computation of Quantified Density Data of the Rotor Blade Tip Vortex

Background-oriented schlieren (BOS) techniques

“…As a consequence, exposure times were defined by the duration of the light pulse, not by the shutter of the cameras. A highly over-driven pulsed LED was used by Bencs et al (2011) and Raffel et al (2012) (HardSoft) and customized LED collimated arrays, for example, by Hernandez et al (2013).…”