Abstract

We report three-dimensional index-of-refraction measurements in a methane–air slot diffusion flame and a methane–air slot subsonic jet using beam-deflection optical tomography. The horizontal and vertical spatial resolutions are 0.26 and 0.635 mm, respectively. The peak temperature is calculated from the index-of-refraction map for the flame and compared with thermocouple temperature measurements.

© 1987 Optical Society of America

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References

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  1. G. W. Faris, R. L. Byer, “Beam-deflection optical tomography,” submitted to Opt. Lett.
  2. J. Radon, Ber. Verh. Saechs. Akad. Wiss. Leipzig Math-Phys. KI. 69, 262 (1917).
  3. Special issue on computerized tomography, Proc. IEEE 71(3) (1983); special issue on industrial applications of computed tomography and nuclear-magnetic resonance imaging, Appl. Opt. 24(23) (1985).
    [PubMed]
  4. R. Snyder, L. Hesselink, Appl. Opt. 24, 4046 (1985).
    [CrossRef] [PubMed]
  5. S. R. Ray, H. G. Semerjian, in Combustion Diagnostics by Nonintrusive Methods, T. D. McCay, J. A. Roux, eds. (American Institute of Aeronautics and Astronautics, New York, 1984), p. 300.
  6. H. M. Hertz, Opt. Commun. 54, 131 (1985).
    [CrossRef]
  7. W. Alang, L. Cavanaugh, R. Burr, A. Hauer, Item 1, final Rep. Pratt and Whitney, PWA-3942 [NAVAIR (Air-602) Contract, 1970].
  8. C. Saekeang, P. L. Chu, T. W. Whitbread, Appl. Opt. 19, 2025, (1980); T. Okoshi, M. Nishimura, Appl. Opt, 20, 2407 (1981); P. L. Francois, I. Saski, M. J. Adams, IEEE J. Quantum Electron. QE-18, 524, (1982);
    [CrossRef] [PubMed]
  9. G. W. Faris, R. L. Byer, Opt. Lett. 11, 413 (1986).
    [CrossRef] [PubMed]
  10. C. M. Vest, P. T. Radulovic, in Applications of Holography and Optical Data Processing, Proceedings of the International Conference, E. Marom, A. A. Friesem, E. Wiener-Avnear, eds. (Pergamon, New York, 1977), p. 241.
  11. F. J. Weinberg, Optics of Flames (Butterworth, Washington, D.C., 1963).
  12. W. E. Kaskan in Sixth Symposium (International) on Combustion (Reinhold, New York, 1957), p. 134.
    [CrossRef]
  13. C. R. Crawford, A. C. Kak, Appl. Opt. 18, 3704, (1979).
    [CrossRef] [PubMed]
  14. F. Mayinger, W. Panknin, in Combustion Measurements, R. Goulard, ed. (Hemisphere, Washington, D.C., 1976), p. 270.

1986 (1)

1985 (2)

1983 (1)

Special issue on computerized tomography, Proc. IEEE 71(3) (1983); special issue on industrial applications of computed tomography and nuclear-magnetic resonance imaging, Appl. Opt. 24(23) (1985).
[PubMed]

1980 (1)

1979 (1)

1917 (1)

J. Radon, Ber. Verh. Saechs. Akad. Wiss. Leipzig Math-Phys. KI. 69, 262 (1917).

Alang, W.

W. Alang, L. Cavanaugh, R. Burr, A. Hauer, Item 1, final Rep. Pratt and Whitney, PWA-3942 [NAVAIR (Air-602) Contract, 1970].

Burr, R.

W. Alang, L. Cavanaugh, R. Burr, A. Hauer, Item 1, final Rep. Pratt and Whitney, PWA-3942 [NAVAIR (Air-602) Contract, 1970].

Byer, R. L.

G. W. Faris, R. L. Byer, Opt. Lett. 11, 413 (1986).
[CrossRef] [PubMed]

G. W. Faris, R. L. Byer, “Beam-deflection optical tomography,” submitted to Opt. Lett.

Cavanaugh, L.

W. Alang, L. Cavanaugh, R. Burr, A. Hauer, Item 1, final Rep. Pratt and Whitney, PWA-3942 [NAVAIR (Air-602) Contract, 1970].

Chu, P. L.

Crawford, C. R.

Faris, G. W.

G. W. Faris, R. L. Byer, Opt. Lett. 11, 413 (1986).
[CrossRef] [PubMed]

G. W. Faris, R. L. Byer, “Beam-deflection optical tomography,” submitted to Opt. Lett.

Hauer, A.

W. Alang, L. Cavanaugh, R. Burr, A. Hauer, Item 1, final Rep. Pratt and Whitney, PWA-3942 [NAVAIR (Air-602) Contract, 1970].

Hertz, H. M.

H. M. Hertz, Opt. Commun. 54, 131 (1985).
[CrossRef]

Hesselink, L.

Kak, A. C.

Kaskan, W. E.

W. E. Kaskan in Sixth Symposium (International) on Combustion (Reinhold, New York, 1957), p. 134.
[CrossRef]

Mayinger, F.

F. Mayinger, W. Panknin, in Combustion Measurements, R. Goulard, ed. (Hemisphere, Washington, D.C., 1976), p. 270.

Panknin, W.

F. Mayinger, W. Panknin, in Combustion Measurements, R. Goulard, ed. (Hemisphere, Washington, D.C., 1976), p. 270.

Radon, J.

J. Radon, Ber. Verh. Saechs. Akad. Wiss. Leipzig Math-Phys. KI. 69, 262 (1917).

Radulovic, P. T.

C. M. Vest, P. T. Radulovic, in Applications of Holography and Optical Data Processing, Proceedings of the International Conference, E. Marom, A. A. Friesem, E. Wiener-Avnear, eds. (Pergamon, New York, 1977), p. 241.

Ray, S. R.

S. R. Ray, H. G. Semerjian, in Combustion Diagnostics by Nonintrusive Methods, T. D. McCay, J. A. Roux, eds. (American Institute of Aeronautics and Astronautics, New York, 1984), p. 300.

Saekeang, C.

Semerjian, H. G.

S. R. Ray, H. G. Semerjian, in Combustion Diagnostics by Nonintrusive Methods, T. D. McCay, J. A. Roux, eds. (American Institute of Aeronautics and Astronautics, New York, 1984), p. 300.

Snyder, R.

Vest, C. M.

C. M. Vest, P. T. Radulovic, in Applications of Holography and Optical Data Processing, Proceedings of the International Conference, E. Marom, A. A. Friesem, E. Wiener-Avnear, eds. (Pergamon, New York, 1977), p. 241.

Weinberg, F. J.

F. J. Weinberg, Optics of Flames (Butterworth, Washington, D.C., 1963).

Whitbread, T. W.

Appl. Opt. (3)

Ber. Verh. Saechs. Akad. Wiss. Leipzig Math-Phys. KI. (1)

J. Radon, Ber. Verh. Saechs. Akad. Wiss. Leipzig Math-Phys. KI. 69, 262 (1917).

Opt. Commun. (1)

H. M. Hertz, Opt. Commun. 54, 131 (1985).
[CrossRef]

Opt. Lett. (1)

Proc. IEEE (1)

Special issue on computerized tomography, Proc. IEEE 71(3) (1983); special issue on industrial applications of computed tomography and nuclear-magnetic resonance imaging, Appl. Opt. 24(23) (1985).
[PubMed]

Other (7)

S. R. Ray, H. G. Semerjian, in Combustion Diagnostics by Nonintrusive Methods, T. D. McCay, J. A. Roux, eds. (American Institute of Aeronautics and Astronautics, New York, 1984), p. 300.

C. M. Vest, P. T. Radulovic, in Applications of Holography and Optical Data Processing, Proceedings of the International Conference, E. Marom, A. A. Friesem, E. Wiener-Avnear, eds. (Pergamon, New York, 1977), p. 241.

F. J. Weinberg, Optics of Flames (Butterworth, Washington, D.C., 1963).

W. E. Kaskan in Sixth Symposium (International) on Combustion (Reinhold, New York, 1957), p. 134.
[CrossRef]

W. Alang, L. Cavanaugh, R. Burr, A. Hauer, Item 1, final Rep. Pratt and Whitney, PWA-3942 [NAVAIR (Air-602) Contract, 1970].

F. Mayinger, W. Panknin, in Combustion Measurements, R. Goulard, ed. (Hemisphere, Washington, D.C., 1976), p. 270.

G. W. Faris, R. L. Byer, “Beam-deflection optical tomography,” submitted to Opt. Lett.

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Figures (4)

Fig. 1
Fig. 1

Diagram of experimental apparatus.

Fig. 2
Fig. 2

Vertical sections through three-dimensional reconstructed images. (a), (b) Methane–air slot diffusion flame; (c), (d) methane–air slot subsonic jet; (a), (c) are perpendicular to slot; (b), (d) are parallel to slot.

Fig. 3
Fig. 3

Horizontal section through three-dimensional reconstructed images. (a)–(c) Methane–air slot diffusion flame, (d)–(f) methane–air slot subsonic jet.

Fig. 4
Fig. 4

Line profiles of index of refraction at 1.27 mm above nozzle tip. (a) Intersection of Figs. 2(a) and 3(a) in reconstruction of diffusion flame, (b) intersection of Figs. 2(c) and 3(d) in reconstruction of subsonic jet.

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