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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 20 — Jul. 10, 2006
  • pp: 4826–4832

Quantitative rainbow schlieren deflectometry as a temperature diagnostic for nonsooting spherical flames

Douglas A. Feikema  »View Author Affiliations


Applied Optics, Vol. 45, Issue 20, pp. 4826-4832 (2006)
http://dx.doi.org/10.1364/AO.45.004826


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Abstract

Numerical analysis and experimental results are presented to define a method for quantitatively measuring the temperature distribution of a spherical diffusion flame using rainbow schlieren deflectometry in microgravity. The method employed illustrates the necessary steps for the preliminary design of a rainbow schlieren system. The largest deflection for the normal gravity flame considered in this paper is 7.4 × 10 4 rad, which can be accurately measured with 2 m focal-length collimating and decollimating optics. The experimental uncertainty of deflection is less than 5 × 10 5 rad.

© 2006 Optical Society of America

OCIS Codes
(120.1740) Instrumentation, measurement, and metrology : Combustion diagnostics
(120.6780) Instrumentation, measurement, and metrology : Temperature

History
Original Manuscript: December 20, 2005
Revised Manuscript: March 1, 2006
Manuscript Accepted: March 1, 2006

Citation
Douglas A. Feikema, "Quantitative rainbow schlieren deflectometry as a temperature diagnostic for nonsooting spherical flames," Appl. Opt. 45, 4826-4832 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-20-4826


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References

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