Contents

• General principle:
• Physical conditions:
  • Particles:
  • Laser illumination:
  • Camera:
  • Objective lens:
  • Frame period and contrast:
  • Bursts and time lapses:
  • The menu of Civit:
  • CIV in multi-planes and volumes:
  
  
• Processing software:
  • Available software:
  • Basic algorithm
  • False vectors:
  • Velocity interpolation (patch):
  • Hierarchical algorithm
  • Data format
  
  
• CIV processing step by step:
  • Check image quality:
  • 4.2 Run CIV1:
  • Check CIV1 results:
  • Remove false vectors(fix):
  • Velocity interpolation (patch):
  • CIV2:
  • Further iterations:
  
  
• Analysis of uncertainty and resolution
  • Particle drift:
  • Laser sheet position and width:
  • Analysis of peak-locking errors:
  
  
• Matlab programmes for image reading and post-processing:
  • Reading a raw image:
  • Reading a velocity field (.u or .v)
  • displacement histogram:
  • Interpolation
  
  
• About this document ...