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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 17, Iss. 23 — Dec. 1, 1978
  • pp: 3843–3850

Application of a two-component LDV to the measurement of flows induced by flames propagating over condensed fuels

R. J. Santoro, A. C. Fernandez-Pello, F. L. Dryer, and I. Glassman  »View Author Affiliations


Applied Optics, Vol. 17, Issue 23, pp. 3843-3850 (1978)
http://dx.doi.org/10.1364/AO.17.003843


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Abstract

In the early stages of a fire, the two mechanisms by which heat transfer occurs are conduction and convection ahead of the flame through gas and fuel phases. The convective flows induced are characterized by low-fluid velocities with changes in magnitude and direction occurring over small distances accompanied by sharp temperature changes. These characteristics make quantitative measurements of fluid velocities difficult using conventional techniques. With the advent of LDV techniques, a nonperturbing means of making high resolution measurements of 2-D flows now exists. In this paper the details of the LDV facility and the results of some recent experiments on the flame spread problem are presented.

© 1978 Optical Society of America

History
Original Manuscript: March 18, 1978
Published: December 1, 1978

Citation
R. J. Santoro, A. C. Fernandez-Pello, F. L. Dryer, and I. Glassman, "Application of a two-component LDV to the measurement of flows induced by flames propagating over condensed fuels," Appl. Opt. 17, 3843-3850 (1978)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-17-23-3843


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References

  1. Y. Yeh, H. Z. Cummins, Appl. Phys. Lett. 4, 176 (1968). [CrossRef]
  2. J. D. Trolinger, Laser Instrumentation for Flow Field Diagnostics, AGARDograph 186, (Advisory Group for Aerospace Research and Development, NATO, 1974).
  3. W. M. Farmer, J. O. Hornkohl, Appl. Opt. 12, 2636 (1973). [CrossRef] [PubMed]
  4. A. J. Helmstetter, “An Experimental Study of Surface Convective Flows Preceding a Flame Front Spreading Over a Liquid Fuel,” MSE Thesis, Princeton University, Princeton, N.J. (1974).
  5. T. Hirano, S. E. Noreikis, T. E. Waterman, Combust. Flame 23, 83 (1974). [CrossRef]
  6. A. C. Fernandez-Pello, F. A. Williams, in Proceedings of Fifteenth Symposium (International) on Combustion, Combustion Institute, Pittsburgh, (1975), p. 211.
  7. A. C. Fernandez-Pello, F. A. Williams, Combust. Sci. Technol. 14, 155 (1976). [CrossRef]
  8. A. C. Fernandez-Pello, R. J. Santoro, “On the Dominant Mode of Heat Transfer in Downward Flame Spread,” accepted for presentation at the Seventeenth Symposium (International) on Combustion, Leeds, England (1978).

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