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Applied Optics

Applied Optics


  • Vol. 23, Iss. 16 — Aug. 15, 1984
  • pp: 2686–2692

Deflection mapping of flames using the moire effect

Gerald S. Rau and Ezra Bar-Ziv  »View Author Affiliations

Applied Optics, Vol. 23, Issue 16, pp. 2686-2692 (1984)

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A computer simulation was used to perform a sensitivity analysis on the deflection mapping technique based on the moire effect. The refractive index and the temperature of a hot gas mixture were calculated. The accuracy of the method is shown to have strong dependence on the experimental accuracy. The best mode of experimental operation was found to be the construction of the moire image by using a physical grid and a computer simulated grid.

© 1984 Optical Society of America

Original Manuscript: October 25, 1983
Published: August 15, 1984

Gerald S. Rau and Ezra Bar-Ziv, "Deflection mapping of flames using the moire effect," Appl. Opt. 23, 2686-2692 (1984)

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  1. F. J. Weinberg, Optics of Flames (Butterworth, London, 1963).
  2. A. K. Oppenheim, M. M. Kamel, Laser Cinematography of Explosions (Springer, Berlin, 1971), Chap. 2.
  3. J. H. Burgoyne, F. J. Weinberg, “Determination of the Distribution of Some Parameters Across the Combustion Zone of a Flat Flame,” Proc. R. Soc. London Ser. A 224, 286 (1954). [CrossRef]
  4. F. J. Weinberg, “Location of the ‘Schlieren Image’ in a Flame,” Fuel London 34, S84 (1955).
  5. F. J. Weinberg, “The Shadow of a Flat Flame,” Proc. R. Soc. London Ser. A 235, 510 (1956). [CrossRef]
  6. J. Reck, K. Sumi, F. J. Weinberg, “An Optical Method of Flame Temperature Measurement II—Sensitivity and Application,” Fuel London 35, 364 (1956).
  7. G. Dixon-Lewis, G. L. Isles, Eighth Symposium (International) on Combustion (Butterworth, London, 1962), p. 448.
  8. E. Keren, E. Bar-Ziv, I. Glatt, O. Kafri, “Measurements of Temperature Distribution of Flames by Moire Deflectometry,” Appl. Opt. 20, 4263 (1981). [CrossRef] [PubMed]
  9. E. Bar-Ziv, S. Sgulim, O. Kafri, E. Keren, Nineteenth Symposium (International) on Combustion (Combustion Institute, Pittsburgh, 1982), p. 303. [CrossRef]
  10. E. Bar-Ziv, S. Sgulim, O. Kafri, E. Keren, “Temperature Mapping in Flames by Moire Deflectometry,” Appl. Opt. 22, 698 (1983). [CrossRef] [PubMed]
  11. E. Bar-Ziv, G. S. Rau, in Technical Digest, Conference on Lasers and Electrooptics (Optical Society of America, Washington, D.C., 1983), paper WI6.
  12. G. S. Rau S.B. Thesis, Massachusetts Institute of Technology (1983).
  13. For partial explanation of the effect of diffraction on deflection mapping based on the moire phenomenon, see Refs. 9 and 10, also a systematic study of the role of diffraction on the moire effect in the process of publication.

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