Counter Rotating Open Rotor Animation using Particle Image Velocimetry
  This article describes the two accompanying fluid dynamics videos for the "Counter rotating open rotor flow field investigation using stereoscopic Particle Image Velocimetry" presented at the 64th Annual Meeting of the APS Division of Fluid Dynamics in Baltimore, Maryland, November 20-22, 2011. 
E.W.M. Roosenboom, A. Schroeder, R. Geisler, D. Pallek, J. Agocs and   K.-P. Neitzke
physics.flu-dyn