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Effect of water vapor on sound absorption in nitrogen at low frequency/pressure ratiosSound absorption measurements were made in N2-H2O binary mixtures at 297 K over the frequency/pressure range f/P of 0.1-2500 Hz/atm to investigate the vibrational relaxation peak of N2 and its location on f/P axis as a function of humidity. At low humidities the best fit to a linear relationship between the f/P(max) and humidity yields an intercept of 0.013 Hz/atm and a slope of 20,000 Hz/atm-mole fraction. The reaction rate constants derived from this model are lower than those obtained from the extrapolation of previous high-temperature data.
Document ID
19810036520
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Zuckerwar, A. J. (Old Dominion Univ. Norfolk, VA, United States)
Griffin, W. A. (Old Dominion University Research Foundation, Norfolk, Va., United States)
Date Acquired
August 11, 2013
Publication Date
January 1, 1981
Publication Information
Publication: Acoustical Society of America
Subject Category
ACOUSTICS
Funding Number(s)
CONTRACT_GRANT: NSG-1324
Distribution Limits
Public
Copyright
Other