Abstract

Acoustic excitation was used to determine the adiabatic pressure derivative of the spectral absorptance of the 2.7 and 1.9 µm water vapor bands and its dependence upon the thermodynamic parameters concentration, pressure, and temperature. The spectral absorptance was measured accurately using a cross-flow water vapor system. Our low-resolution results agree well with spectra calculated from the parameters characterizing the individual rotational lines. The “<i>F</i> factor” corrections found for the 2.7 µm band agree with <i>F</i> values quoted for individual lines. We estimated the 1.9 µm band <i>F</i> factor. Absorptance and thermodynamic derivative spectra were also calculated for the 3.5 µm HCl band. In the wings of each band a wavelength can be found where the concentration dependence is predominant. Somewhat farther out in the wings, a local maximum occurs for the temperature derivative. In the core of the band the pressure derivative is significant.

© 1977 Optical Society of America

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References

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  1. A. J. Matheson, Molecular Acoustics (Wiley-Interscience, New York, 1971), pp. 60 and 65.
  2. M. J. Fisher and F. R. Krause, J. Fluid Mech. 28, 705 (1967); F. R. Krause, H. T. Betz, and D. J. Lysobey, J. Atmos. Environment 7, 455 (1973).
  3. S. Broersma and W. L. Walls, J. Opt. Soc. Am. 64, 1111 (1974).
  4. D. M. Gates, R. F. Calfee, D. W. Hansen, and W. S. Benedict, Line Parameters and Computed Spectra for Water Vapor Bands at 2.7 µm, Natl. Bur. Stand. Monograph 71 (U. S. GPO, Washington, D. C., 1964).
  5. H. J. Babrov and A. R. Healy, J. Opt. Soc. Am. 59, 779 (1969); H. J. Babrov and F. Casden, J. Opt. Soc. Am. 58, 179 (1968).
  6. W. S. Benedict and R. F. Calfee, Line Parameters for the 1.9 and 6.3 Micron Water Vapor Bands, ESSA Professional Paper 2 (U. S. GPO, Washington, D. C., 1967).
  7. M. W. P. Cann, Rev. Sci. Instrum. 40, 595 (1969).
  8. P. E. Hendrickson, W. L. Walls, and S. Broersma, Rev. Sci. Instrum. 44, 347 (1973); J. Opt. Soc. Am. 64, 1119 (1974).
  9. J. Braslawsky and Y. Ben-Aryeh, J. Chem. Phys. 51, 2233 (1969).
  10. G. J. Maclay, J. Chem. Phys. 43, 185 (1965).
  11. G. N. Plass and H. Yates, in Handbook of Military Infrared Technology, edited by W. L. Wolfe (ONR, U. S. GPO Washington, D. C., 1965), p. 245.
  12. P. Varanasi, S. K. Sarangi, and G. D. T. Tejwani, J. Quant. Spectrosc. Radiat. Transfer 12, 857 (1972); R. A. Toth, R. H. Hunt, and E. K. Plyler, J. Mol. Spectrosc. 35, 110 (1970).
  13. H. J. Babrov, G. Ameer, and W. Benesch, J. Mol. Spectrosc. 3, 185 (1959); J. Chem. Phys. 33, 145 (1960); W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Can. J. Phys. 34, 850 (1956).
  14. D. H. Rank, D. P. Eastman, B. S. Rao, and T. A. Wiggins, J. Opt. Soc. Am. 52, 1 (1962); J. Mol. Spectrosc. 10, 34 (1963).
  15. H. J. Babrov, J. Opt. Soc. Am. 53, 945 (1963).

Ameer, G.

H. J. Babrov, G. Ameer, and W. Benesch, J. Mol. Spectrosc. 3, 185 (1959); J. Chem. Phys. 33, 145 (1960); W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Can. J. Phys. 34, 850 (1956).

Babrov, H. J.

H. J. Babrov, G. Ameer, and W. Benesch, J. Mol. Spectrosc. 3, 185 (1959); J. Chem. Phys. 33, 145 (1960); W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Can. J. Phys. 34, 850 (1956).

H. J. Babrov, J. Opt. Soc. Am. 53, 945 (1963).

H. J. Babrov and A. R. Healy, J. Opt. Soc. Am. 59, 779 (1969); H. J. Babrov and F. Casden, J. Opt. Soc. Am. 58, 179 (1968).

Ben-Aryeh, Y.

J. Braslawsky and Y. Ben-Aryeh, J. Chem. Phys. 51, 2233 (1969).

Benedict, W. S.

D. M. Gates, R. F. Calfee, D. W. Hansen, and W. S. Benedict, Line Parameters and Computed Spectra for Water Vapor Bands at 2.7 µm, Natl. Bur. Stand. Monograph 71 (U. S. GPO, Washington, D. C., 1964).

W. S. Benedict and R. F. Calfee, Line Parameters for the 1.9 and 6.3 Micron Water Vapor Bands, ESSA Professional Paper 2 (U. S. GPO, Washington, D. C., 1967).

Benesch, W.

H. J. Babrov, G. Ameer, and W. Benesch, J. Mol. Spectrosc. 3, 185 (1959); J. Chem. Phys. 33, 145 (1960); W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Can. J. Phys. 34, 850 (1956).

Braslawsky, J.

J. Braslawsky and Y. Ben-Aryeh, J. Chem. Phys. 51, 2233 (1969).

Broersma, S.

S. Broersma and W. L. Walls, J. Opt. Soc. Am. 64, 1111 (1974).

P. E. Hendrickson, W. L. Walls, and S. Broersma, Rev. Sci. Instrum. 44, 347 (1973); J. Opt. Soc. Am. 64, 1119 (1974).

Calfee, R. F.

W. S. Benedict and R. F. Calfee, Line Parameters for the 1.9 and 6.3 Micron Water Vapor Bands, ESSA Professional Paper 2 (U. S. GPO, Washington, D. C., 1967).

D. M. Gates, R. F. Calfee, D. W. Hansen, and W. S. Benedict, Line Parameters and Computed Spectra for Water Vapor Bands at 2.7 µm, Natl. Bur. Stand. Monograph 71 (U. S. GPO, Washington, D. C., 1964).

Cann, M. W. P.

M. W. P. Cann, Rev. Sci. Instrum. 40, 595 (1969).

Eastman, D. P.

D. H. Rank, D. P. Eastman, B. S. Rao, and T. A. Wiggins, J. Opt. Soc. Am. 52, 1 (1962); J. Mol. Spectrosc. 10, 34 (1963).

Fisher, M. J.

M. J. Fisher and F. R. Krause, J. Fluid Mech. 28, 705 (1967); F. R. Krause, H. T. Betz, and D. J. Lysobey, J. Atmos. Environment 7, 455 (1973).

Gates, D. M.

D. M. Gates, R. F. Calfee, D. W. Hansen, and W. S. Benedict, Line Parameters and Computed Spectra for Water Vapor Bands at 2.7 µm, Natl. Bur. Stand. Monograph 71 (U. S. GPO, Washington, D. C., 1964).

Hansen, D. W.

D. M. Gates, R. F. Calfee, D. W. Hansen, and W. S. Benedict, Line Parameters and Computed Spectra for Water Vapor Bands at 2.7 µm, Natl. Bur. Stand. Monograph 71 (U. S. GPO, Washington, D. C., 1964).

Healy, A. R.

H. J. Babrov and A. R. Healy, J. Opt. Soc. Am. 59, 779 (1969); H. J. Babrov and F. Casden, J. Opt. Soc. Am. 58, 179 (1968).

Hendrickson, P. E.

P. E. Hendrickson, W. L. Walls, and S. Broersma, Rev. Sci. Instrum. 44, 347 (1973); J. Opt. Soc. Am. 64, 1119 (1974).

Krause, F. R.

M. J. Fisher and F. R. Krause, J. Fluid Mech. 28, 705 (1967); F. R. Krause, H. T. Betz, and D. J. Lysobey, J. Atmos. Environment 7, 455 (1973).

Maclay, G. J.

G. J. Maclay, J. Chem. Phys. 43, 185 (1965).

Matheson, A. J.

A. J. Matheson, Molecular Acoustics (Wiley-Interscience, New York, 1971), pp. 60 and 65.

Plass, G. N.

G. N. Plass and H. Yates, in Handbook of Military Infrared Technology, edited by W. L. Wolfe (ONR, U. S. GPO Washington, D. C., 1965), p. 245.

Rank, D. H.

D. H. Rank, D. P. Eastman, B. S. Rao, and T. A. Wiggins, J. Opt. Soc. Am. 52, 1 (1962); J. Mol. Spectrosc. 10, 34 (1963).

Rao, B. S.

D. H. Rank, D. P. Eastman, B. S. Rao, and T. A. Wiggins, J. Opt. Soc. Am. 52, 1 (1962); J. Mol. Spectrosc. 10, 34 (1963).

Sarangi, S. K.

P. Varanasi, S. K. Sarangi, and G. D. T. Tejwani, J. Quant. Spectrosc. Radiat. Transfer 12, 857 (1972); R. A. Toth, R. H. Hunt, and E. K. Plyler, J. Mol. Spectrosc. 35, 110 (1970).

Tejwani, G. D. T.

P. Varanasi, S. K. Sarangi, and G. D. T. Tejwani, J. Quant. Spectrosc. Radiat. Transfer 12, 857 (1972); R. A. Toth, R. H. Hunt, and E. K. Plyler, J. Mol. Spectrosc. 35, 110 (1970).

Varanasi, P.

P. Varanasi, S. K. Sarangi, and G. D. T. Tejwani, J. Quant. Spectrosc. Radiat. Transfer 12, 857 (1972); R. A. Toth, R. H. Hunt, and E. K. Plyler, J. Mol. Spectrosc. 35, 110 (1970).

Walls, W. L.

P. E. Hendrickson, W. L. Walls, and S. Broersma, Rev. Sci. Instrum. 44, 347 (1973); J. Opt. Soc. Am. 64, 1119 (1974).

S. Broersma and W. L. Walls, J. Opt. Soc. Am. 64, 1111 (1974).

Wiggins, T. A.

D. H. Rank, D. P. Eastman, B. S. Rao, and T. A. Wiggins, J. Opt. Soc. Am. 52, 1 (1962); J. Mol. Spectrosc. 10, 34 (1963).

Yates, H.

G. N. Plass and H. Yates, in Handbook of Military Infrared Technology, edited by W. L. Wolfe (ONR, U. S. GPO Washington, D. C., 1965), p. 245.

Other

A. J. Matheson, Molecular Acoustics (Wiley-Interscience, New York, 1971), pp. 60 and 65.

M. J. Fisher and F. R. Krause, J. Fluid Mech. 28, 705 (1967); F. R. Krause, H. T. Betz, and D. J. Lysobey, J. Atmos. Environment 7, 455 (1973).

S. Broersma and W. L. Walls, J. Opt. Soc. Am. 64, 1111 (1974).

D. M. Gates, R. F. Calfee, D. W. Hansen, and W. S. Benedict, Line Parameters and Computed Spectra for Water Vapor Bands at 2.7 µm, Natl. Bur. Stand. Monograph 71 (U. S. GPO, Washington, D. C., 1964).

H. J. Babrov and A. R. Healy, J. Opt. Soc. Am. 59, 779 (1969); H. J. Babrov and F. Casden, J. Opt. Soc. Am. 58, 179 (1968).

W. S. Benedict and R. F. Calfee, Line Parameters for the 1.9 and 6.3 Micron Water Vapor Bands, ESSA Professional Paper 2 (U. S. GPO, Washington, D. C., 1967).

M. W. P. Cann, Rev. Sci. Instrum. 40, 595 (1969).

P. E. Hendrickson, W. L. Walls, and S. Broersma, Rev. Sci. Instrum. 44, 347 (1973); J. Opt. Soc. Am. 64, 1119 (1974).

J. Braslawsky and Y. Ben-Aryeh, J. Chem. Phys. 51, 2233 (1969).

G. J. Maclay, J. Chem. Phys. 43, 185 (1965).

G. N. Plass and H. Yates, in Handbook of Military Infrared Technology, edited by W. L. Wolfe (ONR, U. S. GPO Washington, D. C., 1965), p. 245.

P. Varanasi, S. K. Sarangi, and G. D. T. Tejwani, J. Quant. Spectrosc. Radiat. Transfer 12, 857 (1972); R. A. Toth, R. H. Hunt, and E. K. Plyler, J. Mol. Spectrosc. 35, 110 (1970).

H. J. Babrov, G. Ameer, and W. Benesch, J. Mol. Spectrosc. 3, 185 (1959); J. Chem. Phys. 33, 145 (1960); W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Can. J. Phys. 34, 850 (1956).

D. H. Rank, D. P. Eastman, B. S. Rao, and T. A. Wiggins, J. Opt. Soc. Am. 52, 1 (1962); J. Mol. Spectrosc. 10, 34 (1963).

H. J. Babrov, J. Opt. Soc. Am. 53, 945 (1963).

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