DOI: 10.1063/1.1747673 ISSN:

A Viscosity Equation for Gas Mixtures

C. R. Wilke
  • Physical and Theoretical Chemistry
  • General Physics and Astronomy

By application of the kinetic theory, with several simplifying assumptions, the previous equation of Buddenberg and the author has been modified to give a general equation for viscosity as a function of molecular weights and viscosities of the pure components of the mixture. Agreement of the equation with experimental data is demonstrated for a number of highly irregular binary gas systems and mixtures of three to seven components.

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