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Physical and technical background

  • Markus Raffel
  • Christan E. Willert
  • Jürgen Kompenhans
Part of the Experimental Fluid Mechanics book series (FLUID)

Abstract

It is clear from the principle of PIV as described that PIV — in contrast to hotwire or pressure probe techniques — is based on the direct determination of the two fundamental dimensions of the velocity: length and time. On the other hand, the technique measures indirectly, because it is the particle velocity which is determined instead of fluid velocity. Therefore, fluid mechanical properties of the particles have to be checked in order to avoid significant discrepancies between fluid and particle motion.

Keywords

Point Spread Function Tracer Particle Modulation Transfer Function Light Sheet Technical Background 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1998

Authors and Affiliations

  • Markus Raffel
    • 1
  • Christan E. Willert
    • 1
  • Jürgen Kompenhans
    • 1
  1. 1.Deutsche Forschungsanstalt für Luft-und Raumfahrt e.V.GöttingenGermany

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