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Wegge R, McLinden MO, Perkins RA, et al. Speed-of-Sound Measurements in (Argon + Carbon Dioxide) over the Temperature Range from (275 to 500) K at Pressures up to 8 MPa. J Chem Thermodyn. 2016;99:54-64doi: 10.1016/j.jct.2016.03.036.
Wegge, R., McLinden, M. O., Perkins, R. A., Richter, M., & Span, R. (2016). Speed-of-Sound Measurements in (Argon + Carbon Dioxide) over the Temperature Range from (275 to 500) K at Pressures up to 8 MPa. The Journal of chemical thermodynamics, 9954-64. https://doi.org/10.1016/j.jct.2016.03.036
Wegge, Robin, et al. "Speed-of-Sound Measurements in (Argon + Carbon Dioxide) over the Temperature Range from (275 to 500) K at Pressures up to 8 MPa." The Journal of chemical thermodynamics vol. 99 (2016): 54-64. doi: https://doi.org/10.1016/j.jct.2016.03.036
Wegge R, McLinden MO, Perkins RA, Richter M, Span R. Speed-of-Sound Measurements in (Argon + Carbon Dioxide) over the Temperature Range from (275 to 500) K at Pressures up to 8 MPa. J Chem Thermodyn. 2016 Aug;99:54-64. doi: 10.1016/j.jct.2016.03.036. Epub 2016 Mar 23. PMID: 27458321; PMCID: PMC4957583.
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J Chem Thermodyn. 2016 Aug;99:54-64. doi: 10.1016/j.jct.2016.03.036. Epub 2016 Mar 23.

Speed-of-Sound Measurements in (Argon + Carbon Dioxide) over the Temperature Range from (275 to 500) K at Pressures up to 8 MPa.

The Journal of chemical thermodynamics

Robin Wegge, Mark O McLinden, Richard A Perkins, Markus Richter, Roland Span

Affiliations

  1. Lehrstuhl für Thermodynamik, Ruhr-Universität Bochum, D-44780 Bochum, Germany.
  2. Applied Chemicals and Materials Division, National Institute of Standards and Technology, 325 Broadway, Mailstop 647.07, Boulder, Colorado 80305, United States.

PMID: 27458321 PMCID: PMC4957583 DOI: 10.1016/j.jct.2016.03.036

Abstract

The speed of sound of two (argon + carbon dioxide) mixtures was measured over the temperature range from (275 to 500) K with pressures up to 8 MPa utilizing a spherical acoustic resonator. The compositions of the gravimetrically prepared mixtures were (0.50104 and 0.74981) mole fraction carbon dioxide. The vibrational relaxation of pure carbon dioxide led to high sound absorption, which significantly impeded the sound-speed measurements on carbon dioxide and its mixtures; pre-condensation may have also affected the results for some measurements near the dew line. Thus, in contrast to the standard operating procedure for speed-of-sound measurements with a spherical resonator, non-radial resonances at lower frequencies were taken into account. Still, the data show a comparatively large scatter, and the usual repeatability of this general type of instrument could not be realized with the present measurements. Nonetheless, the average relative combined expanded uncertainty (

Keywords: argon; carbon capture and storage; carbon dioxide; gas mixture; speed of sound; spherical resonator

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