Luftvis Academy
Schlieren Visualization | Turbulence | Transitional Wake of a Falling Ball into Water

The transitional wake behind a falling steel ball is visualise. We can clearly observe the development of smooth ring-like vortex immediately behind the ball. The vortex gradually is subject to the instability mechanism. Eventually it dissipates into turbulent wake.
Schlieren Visualization | Jet | Mini-Supersonic Jet from Air Duster

Schlieren Fundamental | Comparing Three Commonly Used Schlieren Light Paths
