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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 36, Iss. 33 — Nov. 20, 1997
  • pp: 8738–8744

Performance evaluation of a Scheimpflug stereocamera for particle image velocimetry

Weijun Zang and Ajay K. Prasad  »View Author Affiliations


Applied Optics, Vol. 36, Issue 33, pp. 8738-8744 (1997)
http://dx.doi.org/10.1364/AO.36.008738


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Abstract

We describe a novel stereocamera for particle image velocimetry (PIV) applications that incorporates the Scheimpflug condition that the object plane, lens plane, and image plane must be collinear. We examined the governing equations for this system using a computer-based sensitivity analysis to predict the accuracy of the in-plane and out-of-plane measurement. We evaluated the performance of the Scheimpflug PIV system with a three-dimensional uniform translation test. Results indicate that the Scheimpflug PIV stereocamera performs as expected. The larger off-axis angles possible with the Scheimpflug system can provide a higher accuracy in the out-of-plane component when compared with a translation PIV stereocamera.

© 1997 Optical Society of America

History
Original Manuscript: August 19, 1996
Revised Manuscript: May 19, 1997
Published: November 20, 1997

Citation
Weijun Zang and Ajay K. Prasad, "Performance evaluation of a Scheimpflug stereocamera for particle image velocimetry," Appl. Opt. 36, 8738-8744 (1997)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-36-33-8738


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References

  1. A. K. Prasad, R. J. Adrian, “Stereoscopic particle image velocimetry applied to liquid flows,” Exp. Fluids 15, 49–60 (1993). [CrossRef]
  2. A. K. Prasad, K. Jensen, “Scheimpflug stereocamera for particle image velocimetry in liquid flows,” Appl. Opt. 34, 7092–7099 (1995). [CrossRef] [PubMed]
  3. R. E. Altenhofen, “Rectification,” in Manual of Photogrammetry (American Society of Photogrammetry, Washington, D.C., 1952), p. 457.
  4. A. K. Prasad, R. J. Adrian, C. C. Landreth, P. W. Offutt, “Effect of resolution on the speed and accuracy of particle image velocimetry interrogation,” Exp. Fluids 13, 105–116 (1992). [CrossRef]
  5. A. Boillot, A. K. Prasad, “Optimization procedure for pulse separation in cross-correlation PIV,” Exp. Fluids 21, 87–93 (1996). [CrossRef]
  6. R. J. Adrian, “Particle-imaging techniques for experimental fluid mechanics,” Ann. Rev. Fluid Mech. 23, 261–304 (1991). [CrossRef]

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