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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 22 — Aug. 1, 1998
  • pp: 5137–5144

Simultaneous measurement of diameter and position of spherical particles in a spray by an original imaging method

Jean-Bernard Blaisot and Michel Ledoux  »View Author Affiliations


Applied Optics, Vol. 37, Issue 22, pp. 5137-5144 (1998)
http://dx.doi.org/10.1364/AO.37.005137


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Abstract

The size and the position of individual particles in a falling spray crossing a horizontal plane are measured simultaneously with a shadowgraph imaging setup. An original method for measurement of drop sizes based on a prescribed analytical form of the luminance distribution of the objects (i.e., the drops) is presented. The processing time is strongly reduced compared with that for the usual inversion techniques. The turbulent dispersion of drops in a grid-generated turbulence is studied. Evidence for the presence of coalescence in the spray is presented.

© 1998 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.4820) Instrumentation, measurement, and metrology : Optical systems
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.2490) Remote sensing and sensors : Flow diagnostics

History
Original Manuscript: December 4, 1997
Revised Manuscript: March 30, 1998
Published: August 1, 1998

Citation
Jean-Bernard Blaisot and Michel Ledoux, "Simultaneous measurement of diameter and position of spherical particles in a spray by an original imaging method," Appl. Opt. 37, 5137-5144 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-22-5137

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