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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 20, Iss. 4 — Apr. 1, 2003
  • pp: 690–697

Eliminating high-order scattering effects in optical microbubble sizing

Huihe Qiu  »View Author Affiliations


JOSA A, Vol. 20, Issue 4, pp. 690-697 (2003)
http://dx.doi.org/10.1364/JOSAA.20.000690


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Abstract

Measurements of bubble size and velocity in multiphase flows are important in much research and many industrial applications. It has been found that high-order refractions have great impact on microbubble sizing by use of phase-Doppler anemometry (PDA). The problem has been investigated, and a model of phase-size correlation, which also takes high-order refractions into consideration, is introduced to improve the accuracy of bubble sizing. Hence the model relaxes the assumption of a single-scattering mechanism in a conventional PDA system. The results of simulation based on this new model are compared with those based on a single-scattering-mechanism approach or a first-order approach. An optimization method for accurately sizing air bubbles in water has been suggested.

© 2003 Optical Society of America

OCIS Codes
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.2490) Remote sensing and sensors : Flow diagnostics
(280.3340) Remote sensing and sensors : Laser Doppler velocimetry
(280.7250) Remote sensing and sensors : Velocimetry

History
Original Manuscript: September 18, 2002
Revised Manuscript: November 21, 2002
Manuscript Accepted: November 21, 2002
Published: April 1, 2003

Citation
Huihe Qiu, "Eliminating high-order scattering effects in optical microbubble sizing," J. Opt. Soc. Am. A 20, 690-697 (2003)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-20-4-690

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