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Particle image displacement velocimetry - article pay-per-view - 25€ / article VKI LS 1988-06

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This lecture series was the first organized series of courses relevant to Particle Image Displacement Velocimetry (also sometimes called Speckle Velocimetry). This technique recently has aroused considerable interest and a continuously increasing number of research laboratories are presently considering the development and application of this new technique. It was therefore necessary to allow interested scientists to have a first synthetic view of the state-of-the-art of this novel technique which allows the measurement of a full velocity field in a plane at a single instant.

The first part of the lecture series presentation was devoted to a presentation of the fundamentals of PIDV. This allowed newcomers to have a comprehensive view of the basics of this powerful measurement technique.

In the second part, the lectures dealt with more specific topics such as scattering of light by small particles, photographic parameters and description of practical systems. The different processing techniques proposed in the literature were reviewed and discussed. Finally, the more advanced methods allowing the determination of flow direction, field density and the measurement of three components of velocity were presented together with novel optical processing methods relying on the latest electro-optical techniques.

The third part of this event was devoted to the presentation of selected papers by attendees to the lecture series. This allowed a broadening of the scope of this course and a better view of the latest advances accomplished in this field.

Particle image displacement velocimetry - article pay-per-view - 25€ / article VKI LS 1988-06

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  • ADRIAN, R.J. -u. ILLINOIS AT URBANA-CHAMPAIGN, USA Optical methods for measuring vector velocity fields: -Principles; 11- Techniques
  • ADRIAN, R.J. -u. ILLINOIS AT URBANA-CHAMPAIGN, USA Processing information in the image plane
  • LOURENCO, L. -FLORIDA STATE U., USA Principles and modes of operation: laser speckle, PIDV
  • LOURENCO, L. -FLORIDA STATE U., USA Processing information in the Fourier plane. Algorithms for Young's fringes analysis
  • MERZKIRCH, W. -U. ESSEN, FR GERMANY Practical systems for speckle velocimetry
  • MERZKIRCH, W. -U. ESSEN, FR GERMANY Speckle photography of flows with varying fluid density
  • GAUTHIER, V. -VKI Application of PIDV to complex flows: -resolution of the direction ambiguity;
    -measurements of the third component
  • MORAITIS, C.S. -VKI Optical processing
  • MORAITIS, C.S. -VKI Probabilistic modeling of PIDV experiments
  • ROYER, H. -ISL, FRANCE Full 3D measurements: the holographic approach
  • ROYER, H. -ISL, FRANCE Abstracts of 11 papers presented.

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Manufacturer von Karman Institute for Fluid Dynamics

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