Abstract

The spectral emissivity of the v<sub>3</sub> band of methane was measured at temperatures of 297, 673, and 923 K. Use was made of absorption cells of various lengths in order to obtain curves of growth. Application of the Goody statistical band model to small frequency intervals within the band allowed the spectral band parameters to be obtained at the above-mentioned temperatures. The spectral absorption coefficient was found by two independent methods: by multiplication of the spectral-band parameters and by direct observation of the transmittance in the linear region. The integrated band intensity was also derived as a function of temperature up to 923 K.

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  1. G. Herzberg, Molecular Spectra and Molecular Structure II (D. Van Nostrand Co., Inc., New York, 1945).
  2. D. R. J. Boyd, H. W. Thompson, and R. L. Williams, Proc. Roy. Soc. (London) A213, 42 (1952).
  3. E. K. Plyler, J. Res. Natl. Bur. Std. (U. S.) 64A, 201 (1960).
  4. R. S. McDowell, J. Mol. Spectry. 21, 280 (1966).
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  8. U. P. Oppenheim and Y. Ben-Aryeh, J. Quant. Spectry. Radiative Transfer 4, 559 (1964).
  9. A. Goldman and U. P. Oppenheim, J. Opt. Soc. Am. 55, 794 (1965).
  10. E. Finkman, U. P. Oppenheim, and A. Goldman, J. Opt. Soc. Am. 57, 1130 (1967).
  11. D. E. Burch and D. Williams, Appl. Opt. 1, 587 (1962).
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  13. L. D. Gray and S. S. Penner, J. Quant. Spectry. Radiative Transfer 5. 611 (1965).
  14. J. C. Breeze, C. C. Ferriso, C. B. Ludwig, and W. Malkmus, J. Chem. Phys. 42, 402 (1965). 15. W. Malkmus, J. Opt. Soc. Am. 57, 323 (1967).
  15. C. B. Ludwig, C. C. Ferriso, and L. Acton, J. Opt. Soc. Am. 56, 1685 (1966).
  16. C. B. Ludwig, C. C. Ferriso, and C. N. Abeyta, J. Quant. Spectry. Radiative Transfer 5, 281 (1965).
  17. A. Goldman and T. G. Kyle, Appl. Opt. 7, 1167 (1968

Abeyta, C. N.

C. B. Ludwig, C. C. Ferriso, and C. N. Abeyta, J. Quant. Spectry. Radiative Transfer 5, 281 (1965).

Acton, L.

C. B. Ludwig, C. C. Ferriso, and L. Acton, J. Opt. Soc. Am. 56, 1685 (1966).

Ben-Aryeh, Y.

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

U. P. Oppenheim and Y. Ben-Aryeh, J. Quant. Spectry. Radiative Transfer 4, 559 (1964).

Boyd, D. R. J.

D. R. J. Boyd, H. W. Thompson, and R. L. Williams, Proc. Roy. Soc. (London) A213, 42 (1952).

Breeze, J. C.

J. C. Breeze, C. C. Ferriso, C. B. Ludwig, and W. Malkmus, J. Chem. Phys. 42, 402 (1965). 15. W. Malkmus, J. Opt. Soc. Am. 57, 323 (1967).

Burch, D. E.

D. E. Burch and D. Williams, Appl. Opt. 1, 587 (1962).

Ferriso, C. C.

C. B. Ludwig, C. C. Ferriso, and L. Acton, J. Opt. Soc. Am. 56, 1685 (1966).

J. C. Breeze, C. C. Ferriso, C. B. Ludwig, and W. Malkmus, J. Chem. Phys. 42, 402 (1965). 15. W. Malkmus, J. Opt. Soc. Am. 57, 323 (1967).

C. B. Ludwig, C. C. Ferriso, and C. N. Abeyta, J. Quant. Spectry. Radiative Transfer 5, 281 (1965).

Finkman, E.

E. Finkman, U. P. Oppenheim, and A. Goldman, J. Opt. Soc. Am. 57, 1130 (1967).

Goldman, A.

E. Finkman, U. P. Oppenheim, and A. Goldman, J. Opt. Soc. Am. 57, 1130 (1967).

A. Goldman and U. P. Oppenheim, J. Opt. Soc. Am. 55, 794 (1965).

A. Goldman and T. G. Kyle, Appl. Opt. 7, 1167 (1968

Goody, R. M.

R. M. Goody, Atmospheric Radiation, Vol. I: Theoretical Basis (Oxford University Press, Oxford, 1964).

Gray, L. D.

L. D. Gray and S. S. Penner, J. Quant. Spectry. Radiative Transfer 5. 611 (1965).

Herzberg, G.

G. Herzberg, Molecular Spectra and Molecular Structure II (D. Van Nostrand Co., Inc., New York, 1945).

Kyle, T. G.

A. Goldman and T. G. Kyle, Appl. Opt. 7, 1167 (1968

Ludwig, C. B.

C. B. Ludwig, C. C. Ferriso, and L. Acton, J. Opt. Soc. Am. 56, 1685 (1966).

C. B. Ludwig, C. C. Ferriso, and C. N. Abeyta, J. Quant. Spectry. Radiative Transfer 5, 281 (1965).

J. C. Breeze, C. C. Ferriso, C. B. Ludwig, and W. Malkmus, J. Chem. Phys. 42, 402 (1965). 15. W. Malkmus, J. Opt. Soc. Am. 57, 323 (1967).

Malkmus, W.

J. C. Breeze, C. C. Ferriso, C. B. Ludwig, and W. Malkmus, J. Chem. Phys. 42, 402 (1965). 15. W. Malkmus, J. Opt. Soc. Am. 57, 323 (1967).

McDowell, R. S.

R. S. McDowell, J. Mol. Spectry. 21, 280 (1966).

Oppenheim, U. P.

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

U. P. Oppenheim and Y. Ben-Aryeh, J. Quant. Spectry. Radiative Transfer 4, 559 (1964).

E. Finkman, U. P. Oppenheim, and A. Goldman, J. Opt. Soc. Am. 57, 1130 (1967).

A. Goldman and U. P. Oppenheim, J. Opt. Soc. Am. 55, 794 (1965).

Penner, S. S.

L. D. Gray and S. S. Penner, J. Quant. Spectry. Radiative Transfer 5. 611 (1965).

Plass, G. N.

G. N. Plass, J. Opt. Soc. Am. 48, 690 (1958).

Plyler, E. K.

E. K. Plyler, J. Res. Natl. Bur. Std. (U. S.) 64A, 201 (1960).

Thompson, H. W.

D. R. J. Boyd, H. W. Thompson, and R. L. Williams, Proc. Roy. Soc. (London) A213, 42 (1952).

Vanderwerf, D.

D. Vanderwerf, Appl. Opt. 4, 209 (1965).

Williams, D.

D. E. Burch and D. Williams, Appl. Opt. 1, 587 (1962).

Williams, R. L.

D. R. J. Boyd, H. W. Thompson, and R. L. Williams, Proc. Roy. Soc. (London) A213, 42 (1952).

Other (17)

G. Herzberg, Molecular Spectra and Molecular Structure II (D. Van Nostrand Co., Inc., New York, 1945).

D. R. J. Boyd, H. W. Thompson, and R. L. Williams, Proc. Roy. Soc. (London) A213, 42 (1952).

E. K. Plyler, J. Res. Natl. Bur. Std. (U. S.) 64A, 201 (1960).

R. S. McDowell, J. Mol. Spectry. 21, 280 (1966).

G. N. Plass, J. Opt. Soc. Am. 48, 690 (1958).

R. M. Goody, Atmospheric Radiation, Vol. I: Theoretical Basis (Oxford University Press, Oxford, 1964).

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

U. P. Oppenheim and Y. Ben-Aryeh, J. Quant. Spectry. Radiative Transfer 4, 559 (1964).

A. Goldman and U. P. Oppenheim, J. Opt. Soc. Am. 55, 794 (1965).

E. Finkman, U. P. Oppenheim, and A. Goldman, J. Opt. Soc. Am. 57, 1130 (1967).

D. E. Burch and D. Williams, Appl. Opt. 1, 587 (1962).

D. Vanderwerf, Appl. Opt. 4, 209 (1965).

L. D. Gray and S. S. Penner, J. Quant. Spectry. Radiative Transfer 5. 611 (1965).

J. C. Breeze, C. C. Ferriso, C. B. Ludwig, and W. Malkmus, J. Chem. Phys. 42, 402 (1965). 15. W. Malkmus, J. Opt. Soc. Am. 57, 323 (1967).

C. B. Ludwig, C. C. Ferriso, and L. Acton, J. Opt. Soc. Am. 56, 1685 (1966).

C. B. Ludwig, C. C. Ferriso, and C. N. Abeyta, J. Quant. Spectry. Radiative Transfer 5, 281 (1965).

A. Goldman and T. G. Kyle, Appl. Opt. 7, 1167 (1968

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