Abstract

Spontaneous Raman scattering and laser-induced fluorescence are combined to perform simultaneous point measurements of major species concentrations, temperature, and hydroxyl radical concentration in turbulent nonpremixed flames. The Raman-scattering data for major species concentrations and temperature characterize the instantaneous, local, collisional quenching environment of the OH molecule. Collisional quenching corrections are applied for each laser shot so that absolute hydroxyl concentrations are obtained in turbulent flames using linear laser-induced fluorescence.

© 1989 Optical Society of America

Full Article  |  PDF Article

References

  • View by:
  • |
  • |
  • |

  1. P. Magre, R. W. Dibble, Combust. Flame 73, 195 (1988).
    [CrossRef]
  2. J. H. Bechtel, R. E. Teets, Appl. Opt. 18, 4138 (1979).
    [CrossRef] [PubMed]
  3. M. C. Drake, R. W. Pitz, M. Lapp, C. P. Fenimore, R. P. Lucht, D. W. Sweeney, N. M. Laurendeau, in Proceedings of the Twentieth International Symposium on Combustion (The Combustion Institute, Pittsburgh, Pa., 1984), p. 327.
  4. M. C. Drake, R. W. Pitz, Exp. Fluids 3, 283 (1985).
  5. N. L. Garland, D. R. Crosley, in Proceedings of the Twenty-First International Symposium on Combustion (The Combustion Institute, Pittsburgh, Pa., 1986), p. 1693.

1988 (1)

P. Magre, R. W. Dibble, Combust. Flame 73, 195 (1988).
[CrossRef]

1985 (1)

M. C. Drake, R. W. Pitz, Exp. Fluids 3, 283 (1985).

1979 (1)

Bechtel, J. H.

Crosley, D. R.

N. L. Garland, D. R. Crosley, in Proceedings of the Twenty-First International Symposium on Combustion (The Combustion Institute, Pittsburgh, Pa., 1986), p. 1693.

Dibble, R. W.

P. Magre, R. W. Dibble, Combust. Flame 73, 195 (1988).
[CrossRef]

Drake, M. C.

M. C. Drake, R. W. Pitz, Exp. Fluids 3, 283 (1985).

M. C. Drake, R. W. Pitz, M. Lapp, C. P. Fenimore, R. P. Lucht, D. W. Sweeney, N. M. Laurendeau, in Proceedings of the Twentieth International Symposium on Combustion (The Combustion Institute, Pittsburgh, Pa., 1984), p. 327.

Fenimore, C. P.

M. C. Drake, R. W. Pitz, M. Lapp, C. P. Fenimore, R. P. Lucht, D. W. Sweeney, N. M. Laurendeau, in Proceedings of the Twentieth International Symposium on Combustion (The Combustion Institute, Pittsburgh, Pa., 1984), p. 327.

Garland, N. L.

N. L. Garland, D. R. Crosley, in Proceedings of the Twenty-First International Symposium on Combustion (The Combustion Institute, Pittsburgh, Pa., 1986), p. 1693.

Lapp, M.

M. C. Drake, R. W. Pitz, M. Lapp, C. P. Fenimore, R. P. Lucht, D. W. Sweeney, N. M. Laurendeau, in Proceedings of the Twentieth International Symposium on Combustion (The Combustion Institute, Pittsburgh, Pa., 1984), p. 327.

Laurendeau, N. M.

M. C. Drake, R. W. Pitz, M. Lapp, C. P. Fenimore, R. P. Lucht, D. W. Sweeney, N. M. Laurendeau, in Proceedings of the Twentieth International Symposium on Combustion (The Combustion Institute, Pittsburgh, Pa., 1984), p. 327.

Lucht, R. P.

M. C. Drake, R. W. Pitz, M. Lapp, C. P. Fenimore, R. P. Lucht, D. W. Sweeney, N. M. Laurendeau, in Proceedings of the Twentieth International Symposium on Combustion (The Combustion Institute, Pittsburgh, Pa., 1984), p. 327.

Magre, P.

P. Magre, R. W. Dibble, Combust. Flame 73, 195 (1988).
[CrossRef]

Pitz, R. W.

M. C. Drake, R. W. Pitz, Exp. Fluids 3, 283 (1985).

M. C. Drake, R. W. Pitz, M. Lapp, C. P. Fenimore, R. P. Lucht, D. W. Sweeney, N. M. Laurendeau, in Proceedings of the Twentieth International Symposium on Combustion (The Combustion Institute, Pittsburgh, Pa., 1984), p. 327.

Sweeney, D. W.

M. C. Drake, R. W. Pitz, M. Lapp, C. P. Fenimore, R. P. Lucht, D. W. Sweeney, N. M. Laurendeau, in Proceedings of the Twentieth International Symposium on Combustion (The Combustion Institute, Pittsburgh, Pa., 1984), p. 327.

Teets, R. E.

Appl. Opt. (1)

Combust. Flame (1)

P. Magre, R. W. Dibble, Combust. Flame 73, 195 (1988).
[CrossRef]

Exp. Fluids (1)

M. C. Drake, R. W. Pitz, Exp. Fluids 3, 283 (1985).

Other (2)

N. L. Garland, D. R. Crosley, in Proceedings of the Twenty-First International Symposium on Combustion (The Combustion Institute, Pittsburgh, Pa., 1986), p. 1693.

M. C. Drake, R. W. Pitz, M. Lapp, C. P. Fenimore, R. P. Lucht, D. W. Sweeney, N. M. Laurendeau, in Proceedings of the Twentieth International Symposium on Combustion (The Combustion Institute, Pittsburgh, Pa., 1984), p. 327.

Cited By

OSA participates in CrossRef's Cited-By Linking service. Citing articles from OSA journals and other participating publishers are listed here.

Alert me when this article is cited.


Figures (3)

Fig. 1
Fig. 1

Apparatus for simultaneous measurement of Raman scattering and laser-induced hydroxyl fluorescence. PMT, Photomultiplier; AS, anti-Stokes.

Fig. 2
Fig. 2

Scatter plot of individual measurements of hydroxyl mole fraction versus the mixture fraction at a fixed location in a turbulent nonpremixed jet flame. The solid curve is the equilibrium curve.

Fig. 3
Fig. 3

Comparison of conditional-average curves of corrected and uncorrected hydroxyl mole fraction showing that the effect of quenching and population corrections is small for locally lean conditions but important for fuel-rich conditions.

Tables (1)

Tables Icon

Table 1 Fitting Constants for Quenching Cross Sections

Equations (4)

Equations on this page are rendered with MathJax. Learn more.

N OH = C ref C t C f C Q ( fluorescence signal laser energy ) .
C Q = ( Q 21 Q 21 , ref ) .
Q 21 ( Χ i σ i ) / TM i ,
σ ( T ) = A 1 + A 2 e T / 1000 + A 3 e 2 T / 1000

Metrics