The Institute of Fluid Mechanics and Aerodynamics at the University of the Federal Armed Forces in Munich has performed an experimental study of protective masks using LaVision equipment
Thursday, 23. April 2020
The aim of the study was to explore to what extent the currently much-discussed safety measures, such as social distancing or the use of face masks, are effective against a droplet infection with the Corona-virus SARS-CoV-2.
Their intriguing results using the Particle Image Velocimetry (PIV) measurement technique are shown in this video.
For further details you can download a detailed report here.