A prototype acoustic gas sensor based on attenuation

Journal of the Acoustical Society of America

Volumn 120, Issue 4, 2006, Pages 1779-1782

  Petculescu, Andi ^a,c   Hall, Brian ^b   Fraenzle, Robert ^b   Phillips, Scott ^b   Lueptow, Richard M ^a  

^a Northwestern University   (United States)

^b Commercial Electronics ^*  (United States)

^c UNIVERSITY OF LOUISIANA AT LAFAYETTE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

MOLECULAR RELAXATION PROCESSES; MULTIFREQUENCY RESEARCH SYSTEM; SENSOR MEASUREMENTS;

ACOUSTIC EQUIPMENT; ACOUSTIC IMPEDANCE; ATTENUATION; BINARY MIXTURES;

CHEMICAL SENSORS;

CARBON DIOXIDE; METHANE;

ACOUSTIC IMPEDANCE; AIR; ARTICLE; CHEMICAL ANALYSIS; FREQUENCY MODULATION; GAS; MEASUREMENT; PREDICTION; PRESSURE; PRIORITY JOURNAL; QUANTITATIVE ANALYSIS; SENSOR;

EID: 33749559909     PISSN: 00014966     EISSN: None     Source Type: Journal    
DOI: 10.1121/1.2336758     Document Type: Article

References (23)

1. F. D. Shields, " Thermal relaxation in carbon dioxide as a function of temperature., " J. Acoust. Soc. Am. 29, 450-454 (1957).
2. T. G. Winter and G. L. Hill, " High-temperature ultrasonic measurements of rotational relaxation in hydrogen, deuterium, nitrogen, and oxygen., " J. Acoust. Soc. Am. 42, 848-858 (1967).
3. J. C. F. Wang and G. S. Springer, " Vibrational relaxation times in some hydrocarbons in the range 300-900 K., " J. Chem. Phys. 59, 6556-6562 (1973).
4. D. Chang, F. D. Shields, and H. E. Bass, " Sound-tube measurements of the relaxation frequency of moist nitrogen., " J. Acoust. Soc. Am. 62, 577-581 (1977).
5. A. J. Zuckerwar and W. A. Griffin, " Resonant tube for measurement of sound absorption in gases at low frequency/pressure ratios., " J. Acoust. Soc. Am. 68, 218-226 (1980).
6. A. J. Zuckerwar and R. W. Meredith, " Acoustical measurements of vibrational relaxation in moist N2 at elevated temperatures., " J. Acoust. Soc. Am. 71, 67-73 (1982).
7. J. E. Carlson and P.-E. Martinsson, " Exploring interaction effects in two-component gas mixtures using orthogonal signal correction of ultrasound pulses., " J. Acoust. Soc. Am. 117, 1961-1968 (2005).
8. P.-E. Martinsson, " Ultrasonic measurements of molecular relaxation in ethane and carbon monoxide., " Proc.-IEEE Ultrason. Symp., 511-516 (2002).
9. S. G. Ejakov, " Acoustic attenuation in gas mixtures with nitrogen: Experimental data and calculations., " J. Acoust. Soc. Am. 113, 1871-1879 (2003).
10. A. Cottet, " Acoustic absorption measurements for characterization of gas mixing., " J. Acoust. Soc. Am. 116, 2081-2088 (2004).
11. J. D. Lambert, Vibrational and Rotational Relaxation in Gases (Clarendon, Oxford, 1977).
12. A. Petculescu and R. M. Lueptow, " Synthesizing primary molecular relaxation processes in excitable gases using a two-frequency reconstructive algorithm., " Phys. Rev. Lett. 94, 238301 (2005).
13. K. F. Herzfeld and T. H. Litovitz, Absorption and Dispersion of Ultrasonic Waves (Academic Press, 1959), Sec. 37.
14. A. Petculescu and R. M. Lueptow, " Fine-tuning molecular acoustic models: Sensitivity of the predicted attenuation to the Lennard-Jones parameters., " J. Acoust. Soc. Am. 117, 175-184 (2005).
15. Y. Dain and R. M. Lueptow, " Acoustic attenuation in three-component gas mixtures-Theory., " J. Acoust. Soc. Am. 109, 1955-1964 (2001).
16. Y. Dain and R. M. Lueptow, " Acoustic attenuation in a three-gas mixture-Results., " J. Acoust. Soc. Am. 110, 2974-2979 (2001).
17. R. N. Schwartz, Z. I. Slawsky, and K. F. Herzfeld, " Calculation of vibrational relaxation times in gases., " J. Chem. Phys. 20, 1591-1599 (1952).
18. Reference, pp. 138-156.
19. T. H. Ruppel and F. D. Shields, " Sound propagation in vibrationally excited N2 CO and H2 HeCO gas mixtures., " J. Acoust. Soc. Am. 87, 1134-1137 (1990).
20. A. J. Zuckerwar and W. A. Griffin, " Effect of water vapor on sound absorption in nitrogen at low frequency/pressure ratios., " J. Acoust. Soc. Am. 69, 150-154 (1981).
21. A. J. Zuckerwar and K. W. Miller, " Vibrational-vibrational coupling in air at low humidities., " J. Acoust. Soc. Am. 84, 970-977 (1988).
22. J. M. M. Pinkerton, " On the pulse method of measuring ultrasonic absorption in liquids., " Proc. Phys. Soc. London 62, 286-299 (1949).
23. NIST Chemistry WebBook (http://webbook.nist.gov/chemistry), accessed 20 December 2005.