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Experiments in Fluids

, Volume 23, Issue 6, pp 472–482 | Cite as

Particle tracking velocimetry beneath water waves. Part I: visualization and tracking algorithms

  • F. Hering
  • C. Leue
  • D. Wierzimok
  • B. Jähne

Abstract

 A novel particle tracking system working with a high particle concentration for the measurement of flow fields beneath water waves is described. It features a 1–4 cm thick light sheet parallel to the main wave propagation direction so that the seeding particles stay long enough in the illuminated area to enable tracking over several wave periods. An area of up to 14.0×10.0 cm2 is observed by a CCD camera with up to 200 fields/s. The polychromatic scattering theory of small particles in a light sheet illumination is investigated, enabling the segmentation of individual particles at high particle concentration.

Keywords

Flow Field Tracking System Velocimetry Wave Period Water Wave 
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 1997

Authors and Affiliations

  • F. Hering
    • 1
  • C. Leue
    • 2
  • D. Wierzimok
    • 3
  • B. Jähne
    • 1
  1. 1.Interdisziplinäres Zentrum für wissenschaftliches Rechnen (IWR) Universität Heidelberg Im Neuenheimer Feld 368 D-69120 Heidelberg, GermanyDE
  2. 2.Institut für Umweltphysik University Heidelberg Im Neuenheimer Feld 366 D-69120 Heidelberg, GermanyDE
  3. 3.Institute for Supercomputing and Applied Math. IBM Germany D-69120 Heidelberg, GermanyDE

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