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Optics Letters

Optics Letters


  • Vol. 21, Iss. 10 — May. 15, 1996
  • pp: 704–706

Temperature measurements in spray flames by spontaneous Raman scattering

A. N. Karpetis and A. Gomez  »View Author Affiliations

Optics Letters, Vol. 21, Issue 10, pp. 704-706 (1996)

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Spontaneous Raman scattering was applied for quantitative temperature measurements in turbulent methanol spray flames. Possible interferences from laser-induced breakdown and elastic light scattered from the fuel drops were discriminated against by optoacoustic means. Polycyclic aromatic hydrocarbons were found to be a negligible source of fluorescence interference. The capability of measuring the probability-density function of temperature in a turbulent nonsooting spray flame with an accuracy of ±75 K was demonstrated. The technique appears simpler and less expensive than other spectroscopic approaches.

© 1996 Optical Society of America

Original Manuscript: January 16, 1996
Published: May 15, 1996

A. N. Karpetis and A. Gomez, "Temperature measurements in spray flames by spontaneous Raman scattering," Opt. Lett. 21, 704-706 (1996)

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