Abstract

Spectrally separated fluorescence emissions from liquid and vapor diesel fuel can be obtained by adding an exciplex-forming molecule to the fuel. The exciplex emission dominates the condensed phase emission, while the monomer emission dominates the vapor phase emission. In particular with the naphthalene/tetramethyl-p-phenylene diamine system, the liquid and vapor phase emissions peak at 470 and 380 nm, respectively. Results for droplets at 110 and 250°C are presented.

© 1983 Optical Society of America

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References

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  1. S. C. Johnston, in Fluid Mechanics of Combustion Systems, T. Morell, ed. Proceedings of ASME Fluids Engineering Conference, Boulder, Colo.22–28 June 1981, (ASME, New York, 1981), pp 107–118.
  2. S. C. Johnston, SAE Paper 80-0136, SAE Transactions 89 (Sec. 1), 786 (1981).
  3. G. A. Hussein, A. K. Jasuja, R. S. Fletcher, ASME Gas Turbine Division (1982), paper 82-GT-25.
  4. J. J. Sangiovanni, United Technologies Research Center Report R80-954424 (June1980).
  5. A. J. Yule, C. Ah Seng, P. G. Felton, A. Ungut, N. A. Chigier, in Proceedings, Eighteenth International Symposium on Combustion (The Combustion Institute, Pittsburgh, 1981), p. 1501.
    [CrossRef]
  6. A. R. Chraplyvy, Appl. Opt. 20, 2620 (1981).
    [CrossRef] [PubMed]
  7. J. B. Birks, “Excimer Fluorescence in Aromatic Compounds,” in Progress in Reaction Kinetics, Vol. 5, G. Porter, Ed. (Pergamon, London, 1969).
  8. T. Forster, Angew. Chem. Int. Ed. Engl. 8, No. 5, 333 (1969).
    [CrossRef]
  9. D. Rehm, A. Weller, Z. Phys. Chem. Frankfurt am Main 69, 183 (1970).
    [CrossRef]
  10. I. Kay, United Technologies Research Center; personal communication.

1982 (1)

G. A. Hussein, A. K. Jasuja, R. S. Fletcher, ASME Gas Turbine Division (1982), paper 82-GT-25.

1981 (1)

1970 (1)

D. Rehm, A. Weller, Z. Phys. Chem. Frankfurt am Main 69, 183 (1970).
[CrossRef]

1969 (1)

T. Forster, Angew. Chem. Int. Ed. Engl. 8, No. 5, 333 (1969).
[CrossRef]

Ah Seng, C.

A. J. Yule, C. Ah Seng, P. G. Felton, A. Ungut, N. A. Chigier, in Proceedings, Eighteenth International Symposium on Combustion (The Combustion Institute, Pittsburgh, 1981), p. 1501.
[CrossRef]

Birks, J. B.

J. B. Birks, “Excimer Fluorescence in Aromatic Compounds,” in Progress in Reaction Kinetics, Vol. 5, G. Porter, Ed. (Pergamon, London, 1969).

Chigier, N. A.

A. J. Yule, C. Ah Seng, P. G. Felton, A. Ungut, N. A. Chigier, in Proceedings, Eighteenth International Symposium on Combustion (The Combustion Institute, Pittsburgh, 1981), p. 1501.
[CrossRef]

Chraplyvy, A. R.

Felton, P. G.

A. J. Yule, C. Ah Seng, P. G. Felton, A. Ungut, N. A. Chigier, in Proceedings, Eighteenth International Symposium on Combustion (The Combustion Institute, Pittsburgh, 1981), p. 1501.
[CrossRef]

Fletcher, R. S.

G. A. Hussein, A. K. Jasuja, R. S. Fletcher, ASME Gas Turbine Division (1982), paper 82-GT-25.

Forster, T.

T. Forster, Angew. Chem. Int. Ed. Engl. 8, No. 5, 333 (1969).
[CrossRef]

Hussein, G. A.

G. A. Hussein, A. K. Jasuja, R. S. Fletcher, ASME Gas Turbine Division (1982), paper 82-GT-25.

Jasuja, A. K.

G. A. Hussein, A. K. Jasuja, R. S. Fletcher, ASME Gas Turbine Division (1982), paper 82-GT-25.

Johnston, S. C.

S. C. Johnston, in Fluid Mechanics of Combustion Systems, T. Morell, ed. Proceedings of ASME Fluids Engineering Conference, Boulder, Colo.22–28 June 1981, (ASME, New York, 1981), pp 107–118.

S. C. Johnston, SAE Paper 80-0136, SAE Transactions 89 (Sec. 1), 786 (1981).

Kay, I.

I. Kay, United Technologies Research Center; personal communication.

Rehm, D.

D. Rehm, A. Weller, Z. Phys. Chem. Frankfurt am Main 69, 183 (1970).
[CrossRef]

Sangiovanni, J. J.

J. J. Sangiovanni, United Technologies Research Center Report R80-954424 (June1980).

Ungut, A.

A. J. Yule, C. Ah Seng, P. G. Felton, A. Ungut, N. A. Chigier, in Proceedings, Eighteenth International Symposium on Combustion (The Combustion Institute, Pittsburgh, 1981), p. 1501.
[CrossRef]

Weller, A.

D. Rehm, A. Weller, Z. Phys. Chem. Frankfurt am Main 69, 183 (1970).
[CrossRef]

Yule, A. J.

A. J. Yule, C. Ah Seng, P. G. Felton, A. Ungut, N. A. Chigier, in Proceedings, Eighteenth International Symposium on Combustion (The Combustion Institute, Pittsburgh, 1981), p. 1501.
[CrossRef]

Angew. Chem. Int. Ed. Engl. (1)

T. Forster, Angew. Chem. Int. Ed. Engl. 8, No. 5, 333 (1969).
[CrossRef]

Appl. Opt. (1)

ASME Gas Turbine Division (1)

G. A. Hussein, A. K. Jasuja, R. S. Fletcher, ASME Gas Turbine Division (1982), paper 82-GT-25.

Z. Phys. Chem. Frankfurt am Main (1)

D. Rehm, A. Weller, Z. Phys. Chem. Frankfurt am Main 69, 183 (1970).
[CrossRef]

Other (6)

I. Kay, United Technologies Research Center; personal communication.

J. B. Birks, “Excimer Fluorescence in Aromatic Compounds,” in Progress in Reaction Kinetics, Vol. 5, G. Porter, Ed. (Pergamon, London, 1969).

J. J. Sangiovanni, United Technologies Research Center Report R80-954424 (June1980).

A. J. Yule, C. Ah Seng, P. G. Felton, A. Ungut, N. A. Chigier, in Proceedings, Eighteenth International Symposium on Combustion (The Combustion Institute, Pittsburgh, 1981), p. 1501.
[CrossRef]

S. C. Johnston, in Fluid Mechanics of Combustion Systems, T. Morell, ed. Proceedings of ASME Fluids Engineering Conference, Boulder, Colo.22–28 June 1981, (ASME, New York, 1981), pp 107–118.

S. C. Johnston, SAE Paper 80-0136, SAE Transactions 89 (Sec. 1), 786 (1981).

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Figures (3)

Fig. 1
Fig. 1

Schematic summary of photophysics of napthalene/TMPD excimer system.

Fig. 2
Fig. 2

Spectra of 10% napthalene, 1% TMPD, 84% cetane mixture in the ligand and vapor phases. T = 220°C.

Fig. 3
Fig. 3

Photographs of suspended droplets, 10% napthalene, 1% TMPD, 84% cetane: (a) T = 110°C; (b) T = 250°C.

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