Abstract

Spectral emissivities have been obtained for the 2ν<sub>2</sub>+ν<sub>3</sub> and ν<sub>3</sub>+ν<sub>1</sub> carbon dioxide combination bands between 3100 and 3800 cm-1. at 1200°, 1500°, and 1800°K. Heated CO<sub>2</sub> was produced in a 150-lb-thrust rocket burner burning gaseous carbon monoxide and oxygen. Emission measurements were made on the expanded exhaust gas of the burner where the composition, total pressure, and temperature could be defined. The spectral emissivities were determined from a calibrated emission spectrum and a spectroscopic determination of the temperature of the test gas. The hot CO<sub>2</sub> samples were observed at a total pressure of 1 atm in the optically thin region where the highest spectral emissivities at 3700 cm-1. were about 0.1. The spectral emissivity curves were used to obtain the integrated intensity of the 2.7-µ CO<sub>2</sub> band at the high temperatures. The variations of the spectral emissivities and integrated intensities with temperature agree with previous predictions.

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  1. C. C. Ferriso, J. Chem. Phys. 37, 1955 (1962).
  2. R. H. Tourin, J. Opt. Soc. Am. 51, 175 (1961).
  3. D. E. Burch and D. A. Gryvnak, Report No. V-1929, Ford Motor Company, Aeronutronic Division, Newport Beach, California (October 1962).
  4. U. Oppenheim and Y. Ben-Aryeh, J. Opt. Soc. Am. 53, 344 (1963).
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  6. J. C. Breeze and C. C. Ferriso, J. Chem. Phys. 39, 2619 (1963).
  7. R. H. Tourin, Infrared Phys. 1, 105 (1961).
  8. W. Malkmus, J. Opt. Soc. Am. 54 (to be published).
  9. S. S. Penner, Quantitative Molecular Spectroscopy and Gas Emissivities (Addison-Wesley Publishing Company, Inc., Reading, Massachusetts, 1959), p. 23.
  10. G. L. Plass, J. Opt. Soc. Am. 50, 868 (1960).
  11. IUPAC, Tables of Wavnumbers for Calibration of Infrared Spectroineters (Butterworth, Inc., Washington, D. C., 1961).
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  13. R. A. Marachin, Report No. RT60-168, GD/Convair, San Diego, California (October 1961).
  14. S. Silverman, J. Opt. Soc. Am. 38, 989 (1948); 39, 275 (1949).
  15. S. S. Penner, Chemistry Problemts in Jet Propulsion (Pergamon Press, Inc., New York, 1957).
  16. W. E. Kaskan, Combust. Flame 3, 39 (1959).
  17. C. C. Ferriso and C. B. Ludwig, J. Quant. Spectry. Radiative Transfer 4 (1964).
  18. G. Herzberg, Infrared and Raman Spectra (D. Van Nostrand Company, Inc., New York, 1945), p. 272.
  19. D. F. Eggers and B. L. Crawford, Jr., J. Chem. Phys. 19, 1554 (1951).

Ben-Aryeh, Y.

U. Oppenheim and Y. Ben-Aryeh, J. Opt. Soc. Am. 53, 344 (1963).

Breeze, J. C.

J. C. Breeze and C. C. Ferriso, J. Chem. Phys. 39, 2619 (1963).

Burch, D. E.

D. E. Burch and D. A. Gryvnak, Report No. V-1929, Ford Motor Company, Aeronutronic Division, Newport Beach, California (October 1962).

Crawford, Jr., B. L.

D. F. Eggers and B. L. Crawford, Jr., J. Chem. Phys. 19, 1554 (1951).

Eggers, D. F.

D. F. Eggers and B. L. Crawford, Jr., J. Chem. Phys. 19, 1554 (1951).

Ferriso, C. C.

C. C. Ferriso, J. Chem. Phys. 37, 1955 (1962).

J. C. Breeze and C. C. Ferriso, J. Chem. Phys. 39, 2619 (1963).

C. C. Ferriso and C. B. Ludwig, J. Quant. Spectry. Radiative Transfer 4 (1964).

Foelsch, K.

K. Foelsch, J. Aeronaut. Sci. 16, 161 (1949).

Gryvnak, D. A.

D. E. Burch and D. A. Gryvnak, Report No. V-1929, Ford Motor Company, Aeronutronic Division, Newport Beach, California (October 1962).

Herzberg, G.

G. Herzberg, Infrared and Raman Spectra (D. Van Nostrand Company, Inc., New York, 1945), p. 272.

Kaskan, W. E.

W. E. Kaskan, Combust. Flame 3, 39 (1959).

Ludwig, C. B.

C. C. Ferriso and C. B. Ludwig, J. Quant. Spectry. Radiative Transfer 4 (1964).

Malkmus, W.

W. Malkmus, J. Opt. Soc. Am. 54 (to be published).

W. Malkmus, J. Opt. Soc. Am. 53, 951 (1963).

Marachin, R. A.

R. A. Marachin, Report No. RT60-168, GD/Convair, San Diego, California (October 1961).

Oppenheim, U.

U. Oppenheim and Y. Ben-Aryeh, J. Opt. Soc. Am. 53, 344 (1963).

Penner, S. S.

S. S. Penner, Quantitative Molecular Spectroscopy and Gas Emissivities (Addison-Wesley Publishing Company, Inc., Reading, Massachusetts, 1959), p. 23.

S. S. Penner, Chemistry Problemts in Jet Propulsion (Pergamon Press, Inc., New York, 1957).

Plass, G. L.

G. L. Plass, J. Opt. Soc. Am. 50, 868 (1960).

Silverman, S.

S. Silverman, J. Opt. Soc. Am. 38, 989 (1948); 39, 275 (1949).

Tourin, R. H.

R. H. Tourin, J. Opt. Soc. Am. 51, 175 (1961).

R. H. Tourin, Infrared Phys. 1, 105 (1961).

Other

C. C. Ferriso, J. Chem. Phys. 37, 1955 (1962).

R. H. Tourin, J. Opt. Soc. Am. 51, 175 (1961).

D. E. Burch and D. A. Gryvnak, Report No. V-1929, Ford Motor Company, Aeronutronic Division, Newport Beach, California (October 1962).

U. Oppenheim and Y. Ben-Aryeh, J. Opt. Soc. Am. 53, 344 (1963).

W. Malkmus, J. Opt. Soc. Am. 53, 951 (1963).

J. C. Breeze and C. C. Ferriso, J. Chem. Phys. 39, 2619 (1963).

R. H. Tourin, Infrared Phys. 1, 105 (1961).

W. Malkmus, J. Opt. Soc. Am. 54 (to be published).

S. S. Penner, Quantitative Molecular Spectroscopy and Gas Emissivities (Addison-Wesley Publishing Company, Inc., Reading, Massachusetts, 1959), p. 23.

G. L. Plass, J. Opt. Soc. Am. 50, 868 (1960).

IUPAC, Tables of Wavnumbers for Calibration of Infrared Spectroineters (Butterworth, Inc., Washington, D. C., 1961).

K. Foelsch, J. Aeronaut. Sci. 16, 161 (1949).

R. A. Marachin, Report No. RT60-168, GD/Convair, San Diego, California (October 1961).

S. Silverman, J. Opt. Soc. Am. 38, 989 (1948); 39, 275 (1949).

S. S. Penner, Chemistry Problemts in Jet Propulsion (Pergamon Press, Inc., New York, 1957).

W. E. Kaskan, Combust. Flame 3, 39 (1959).

C. C. Ferriso and C. B. Ludwig, J. Quant. Spectry. Radiative Transfer 4 (1964).

G. Herzberg, Infrared and Raman Spectra (D. Van Nostrand Company, Inc., New York, 1945), p. 272.

D. F. Eggers and B. L. Crawford, Jr., J. Chem. Phys. 19, 1554 (1951).

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