The viscosity and diffusion coefficients of eighteen binary gaseous systems

J. Kestin, H. E. Khalifa, S. T. Ro, W. A. Wakeham

Research output: Contribution to journalArticle

114 Citations (Scopus)

Abstract

The paper reports accurate measurements of the viscosity of the eighteen binary gaseous systems: CF4 with He, Ne, Ar, N2, CO2, CH4; SF6 with He, Ne, Ar, N2, CO2, CH4, CF4 and O2 with He, Ne, CO2, CF4, SF6. The measurements were performed in a high-precision oscillating-disk viscometer at atmospheric pressure and in the temperature range 25-200°C for the systems containing CH4 or SF6 and in the temperature range 25-400°C for the remainder. The reported viscosities are believed to be accurate to within ±0.1% at room temperature and to within ±0.2% at 400°C. It is shown that the data conform to the extended law of corresponding states developed by Kestin, Ro and Wakeham despite the complexity of some of the component gases. The standard deviation between the experimental values and those calculated from the law of corresponding states is only 0.3% which is commensurate with the uncertainty in the experimental results. Binary diffusion coefficients derived from the mixture viscosity data are also presented; they have an estimated uncertainty of ±2%.

Original languageEnglish (US)
Pages (from-to)242-260
Number of pages19
JournalPhysica A: Statistical Mechanics and its Applications
Volume88
Issue number2
DOIs
StatePublished - 1977
Externally publishedYes

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Diffusion Coefficient
Viscosity
diffusion coefficient
viscosity
Binary
coefficients
Uncertainty
viscometers
Remainder
Range of data
Standard deviation
standard deviation
atmospheric pressure
temperature
Experimental Results
room temperature
gases
Gas

ASJC Scopus subject areas

  • Mathematical Physics
  • Statistical and Nonlinear Physics

Cite this

The viscosity and diffusion coefficients of eighteen binary gaseous systems. / Kestin, J.; Khalifa, H. E.; Ro, S. T.; Wakeham, W. A.

In: Physica A: Statistical Mechanics and its Applications, Vol. 88, No. 2, 1977, p. 242-260.

Research output: Contribution to journalArticle

Kestin, J. ; Khalifa, H. E. ; Ro, S. T. ; Wakeham, W. A. / The viscosity and diffusion coefficients of eighteen binary gaseous systems. In: Physica A: Statistical Mechanics and its Applications. 1977 ; Vol. 88, No. 2. pp. 242-260.
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AB - The paper reports accurate measurements of the viscosity of the eighteen binary gaseous systems: CF4 with He, Ne, Ar, N2, CO2, CH4; SF6 with He, Ne, Ar, N2, CO2, CH4, CF4 and O2 with He, Ne, CO2, CF4, SF6. The measurements were performed in a high-precision oscillating-disk viscometer at atmospheric pressure and in the temperature range 25-200°C for the systems containing CH4 or SF6 and in the temperature range 25-400°C for the remainder. The reported viscosities are believed to be accurate to within ±0.1% at room temperature and to within ±0.2% at 400°C. It is shown that the data conform to the extended law of corresponding states developed by Kestin, Ro and Wakeham despite the complexity of some of the component gases. The standard deviation between the experimental values and those calculated from the law of corresponding states is only 0.3% which is commensurate with the uncertainty in the experimental results. Binary diffusion coefficients derived from the mixture viscosity data are also presented; they have an estimated uncertainty of ±2%.

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