We present a ray tracing image generation methodology for rendering realistic images of particle image velocimetry (PIV) and background oriented schlieren (BOS) experiments in the presence of density/refractive index gradients. This methodology enables the simulation of experiments for experimental design, error, and uncertainty analysis. Images...
Background-Oriented Schlieren (BOS) is used to measure fluid density from the apparent distortion of a target dot pattern. Here, we propose a new displacement estimation methodology based on tracking individual dots on the pattern as opposed to conventional cross-correlation algorithms. As dot patterns used in...
Cavitation is ubiquitous in nature and engineering systems and governs processes from corrosion in propeller blades to drugs getting through the endothelial cells. Since the collapse of the cavitation bubble is so violent that it generates an intense shock wave and induces high shear stress...
Background-Oriented Schlieren (BOS) is a technique used to measure fluid density from the apparent distortion of a target dot pattern. Here, we model how non-linearities in the density gradient fields can blur the dot pattern image and increase the position uncertainty. To develop this model,...
Splashes are ubiquitous in nature and engineering and govern processes from diving, to ocean oxygenation. Yet to date, we do not understand when or why sometimes the splash seals, and other times does not. This work presents the first detailed analysis and physical understanding of...