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  • mixtures  (3)
  • Springer  (3)
  • American Geophysical Union (AGU)
  • 2000-2004
  • 1985-1989  (3)
  • 1975-1979
Collection
Keywords
Publisher
  • Springer  (3)
  • American Geophysical Union (AGU)
Years
  • 2000-2004
  • 1985-1989  (3)
  • 1975-1979
Year
  • 1
    Electronic Resource
    Electronic Resource
    Hydrogen component fugacities in binary mixtures with carbon dioxide: Pressure dependence (1987)
    Springer
    International journal of thermophysics 8 (1987), S. 205-216 
    Details
    ISSN: 1572-9567
    Keywords: carbon dioxide ; fugacity ; high pressure ; hydrogen ; hydrogen + carbon dioxide binary system ; mixtures
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The fugacity coefficients of hydrogen in binary mixtures with carbon dioxide were measured isothermally using a physical equilibrium technique. This technique involves the use of an experimental chamber which is divided into two regions by a semipermeable membrane. Hydrogen can penetrate and pass through the membrane, while carbon dioxide cannot. During the approach to equilibrium, the pressure of pure hydrogen on one side of the membrane approaches the partial pressure of hydrogen in the mixture on the other side of the membrane. This allows a direct measurement of the hydrogen component fugacity at a given mixture mole fraction. In this study, results are reported for measurements made on the hydrogen + carbon dioxide binary at 130°C (403 K), with total mixture pressure of 3.45, 5.17, 8.62, 10.34, and 13.79 MPa. General trends in the experimental results are discussed, and comparisons are made with predictions from the Redlich-Kwong, Peng-Robinson, and extended corresponding-states models.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00515203
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  • 2
    Electronic Resource
    Electronic Resource
    Hydrogen component fugacities in binary mixtures with ethane: Temperature dependence (1987)
    Springer
    International journal of thermophysics 8 (1987), S. 437-447 
    Details
    ISSN: 1572-9567
    Keywords: ethane ; fugacity ; hydrogen ; mixtures
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The fugacity coefficients of hydrogen in binary mixtures with ethane were measured using a physical equilibrium technique. This technique involves the use of an experimental chamber which is divided into two regions by a semipermeable membrane through which hydrogen, but not ethane, can penetrate. Measurement of the gas pressures inside and outside of the membrane allows a direct measurement of the hydrogen component fugacity coefficient at a given temperature and binary-mixture mole fraction. In this paper, results are reported at 101, 116, 141, 151, 160, and 190°C. In each case the total pressure of the mixture was maintained at 3.41 MPa. The qualitative features of the measurements are discussed and comparisons are made with predictions obtained from the Redlich-Kwong, Peng-Robinson, and extended corresponding-states models.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00567104
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The thermal conductivity of pure nitrogen and of mixtures of nitrogen and carbon dioxide at elevated temperatures and pressures (1988)
    Springer
    International journal of thermophysics 9 (1988), S. 3-19 
    Details
    ISSN: 1572-9567
    Keywords: carbon dioxide ; high pressures ; mixtures ; nitrogen ; thermal conductivity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The thermal conductivities of nitrogen at 470 K and six mixtures of nitrogen and carbon dioxide at various temperatures have been measured as a function of pressure up to 25 MPa. The mixtures were measured at the following temperatures: one at 302 K, three at 380 K, one at 430 K, and one at 470 K. The data were used to test three prediction methods for the thermal conductivity of gas mixtures under pressure. Surprisingly good agreement was found with predictions using the corresponding-states method of Ely and Hanley. The predictions of the more theoretically based method of Mason et al. were low throughout, due partly to its use of the Hirschfelder-Eucken equation as the low-density limit, but also because the predicted density dependence rises too slowly. The simplified version of this method proposed by Svojskij gave slightly worse predictions, particularly at higher densities. The zero- density results for nitrogen are examined by comparing the zero-and first-density coefficients with the trends shown at lower temperatures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00503996
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